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Ishimaru T, Nunomura S, Wakita M, Ura S. [A case of Holmes tremor in which 123I-IMP SPECT and MRI findings suggest damage to the cerebellothalamic tract and the dentato-rubro-olivary pathway]. Rinsho Shinkeigaku 2024; 64:280-285. [PMID: 38522912 DOI: 10.5692/clinicalneurol.cn-001913] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/26/2024]
Abstract
A 75-year-old woman was referred to our department in October 2022 with ataxia and involuntary movements of the right upper and lower limbs. She had experienced a left pontine hemorrhage in March 2021, which was managed conservatively. However, she had residual right-sided hemiplegia. In addition, she had cerebellar ataxia and a 2 Hz resting tremor of the right upper and lower limbs, which was enhanced while maintaining posture and contemplation. Based on her history, and the findings of MRI and nuclear medicine imaging, we diagnosed the patient with Holmes tremor due to pontine hemorrhage. Holmes tremor is a rare movement disorder secondary to brainstem and thalamic lesions, characterized by a unilateral low-frequency tremor. In this case, 123I-IMP SPECT and MRI shows damage to the cerebellothalamic tract and dentaro-rubro-olivary pathway.
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Affiliation(s)
- Tomoki Ishimaru
- Department of Neurology, Asahikawa Red Cross Hospital
- Department of Neurology, Obihiro-Kosei General Hospital
| | | | | | - Shigehisa Ura
- Department of Neurology, Asahikawa Red Cross Hospital
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Lee J, Lee E, Bashir S, Kim GJ, Ohn SH, Jung KI, Yoo WK. Compensatory Hyperactivity of the Ipsilesional Red Nucleus in a Patient With Somatosensory Cortex Damage: A Case Report. BRAIN & NEUROREHABILITATION 2023; 16:e33. [PMID: 38047094 PMCID: PMC10689868 DOI: 10.12786/bn.2023.16.e33] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2023] [Revised: 10/03/2023] [Accepted: 10/04/2023] [Indexed: 12/05/2023] Open
Abstract
This case study describes a patient who experienced motor recovery and involuntary movements following damage to the right primary somatosensory cortex caused by an intracranial hemorrhage. The patient initially suffered from paralysis in her left arm and leg, but exhibited significant motor recovery later, accompanied by multiple episodes of ballistic movement during the recovery process. A diffusion tensor imaging analysis was performed to investigate changes in sensorimotor-related brain areas in the patient. The patient had higher fractional anisotropy and lower mean diffusivity values in the ipsilesional red nucleus (RN) than age-matched controls. We assume that hyperactivity of the ipsilesional RN might play a role in motor recovery after damage to the primary somatosensory cortex, potentially through its involvement in sensorimotor integration. Our findings demonstrated the potential for adaptive changes in the ipsilesional RN following damage to the primary somatosensory cortex.
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Affiliation(s)
- Jeongeun Lee
- Department of Physical Medicine and Rehabilitation, Hallym University Sacred Heart Hospital, Hallym University College of Medicine, Anyang, Korea
| | - Eunjee Lee
- Department of Physical Medicine and Rehabilitation, Hallym University Sacred Heart Hospital, Hallym University College of Medicine, Anyang, Korea
| | - Shahid Bashir
- Neuroscience Center, King Fahad Specialist Hospital Dammam, Dammam, Saudi Arabia
| | - Gyu Jin Kim
- Department of Physical Medicine and Rehabilitation, Hallym University Sacred Heart Hospital, Hallym University College of Medicine, Anyang, Korea
| | - Suk Hoon Ohn
- Department of Physical Medicine and Rehabilitation, Hallym University Sacred Heart Hospital, Hallym University College of Medicine, Anyang, Korea
| | - Kwang-Ik Jung
- Department of Physical Medicine and Rehabilitation, Hallym University Sacred Heart Hospital, Hallym University College of Medicine, Anyang, Korea
| | - Woo-Kyoung Yoo
- Department of Physical Medicine and Rehabilitation, Hallym University Sacred Heart Hospital, Hallym University College of Medicine, Anyang, Korea
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Nsengiyumva N, Barakat A, Macerollo A, Pullicino R, Bleakley A, Bonello M, Ellis RJB, Alusi SH. Thalamic versus midbrain tremor; two distinct types of Holmes' Tremor: a review of 17 cases. J Neurol 2021; 268:4152-4162. [PMID: 33973107 DOI: 10.1007/s00415-021-10491-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2020] [Revised: 02/20/2021] [Accepted: 02/22/2021] [Indexed: 10/21/2022]
Abstract
INTRODUCTION Holmes Tremor (HT) is a unique and debilitating movement disorder. It usually results from lesions of the midbrain and its connection but can also result from posterior thalamic injury. Clinical examination can help lesion localization between these two areas. We studied the clinical features and their radiological correlations to distinguish midbrain HT (HT-m) from thalamic HT (HT-t). METHODS Retrospective review of 17 patients with a HT-type presentation was conducted. Tremor characteristics, associated clinical signs and radiological findings were studied. RESULTS Eleven patients had a myorythmic rest tremor, large amplitude proximal tremor with goal-directed worsening, with or without mild distal dystonic posturing, representing HT-m. Six patients had slow, large amplitude proximal tremors and distal choreathetoid movements, significant proximal/distal dystonic posturing, associated with proprioceptive sensory loss, representing HT-t. Haemorrhagic lesions were the predominant cause of HT-m; whereas, ischaemia was more commonly associated with HT-t. CONCLUSION When assessing patients with HT, attentiveness to the presence of associated signs in the affected limb, such as a proprioceptive sensory deficits and additional movement disorders, can aid lesion localisation, which can have implications for management.
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Affiliation(s)
- N Nsengiyumva
- Department of Neurology, People's Friendship University of Russia, Moscow, Russia.,Department of Medicine, Hope Africa University, Bujumbura, Burundi
| | - A Barakat
- Department of Neuroradiology, The Walton Centre NHS Foundation Trust, Liverpool, UK
| | - A Macerollo
- Department of Neurology, The Walton Centre NHS Foundation Trust, Liverpool, UK
| | - R Pullicino
- Department of Neuroradiology, The Walton Centre NHS Foundation Trust, Liverpool, UK
| | - A Bleakley
- Department of Neuroradiology, The Walton Centre NHS Foundation Trust, Liverpool, UK
| | - M Bonello
- Department of Neurology, The Walton Centre NHS Foundation Trust, Liverpool, UK
| | - R J B Ellis
- Department of Neurology, The Walton Centre NHS Foundation Trust, Liverpool, UK
| | - S H Alusi
- Department of Neurology, The Walton Centre NHS Foundation Trust, Liverpool, UK.
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Red nucleus structure and function: from anatomy to clinical neurosciences. Brain Struct Funct 2020; 226:69-91. [PMID: 33180142 PMCID: PMC7817566 DOI: 10.1007/s00429-020-02171-x] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2020] [Accepted: 10/24/2020] [Indexed: 12/19/2022]
Abstract
The red nucleus (RN) is a large subcortical structure located in the ventral midbrain. Although it originated as a primitive relay between the cerebellum and the spinal cord, during its phylogenesis the RN shows a progressive segregation between a magnocellular part, involved in the rubrospinal system, and a parvocellular part, involved in the olivocerebellar system. Despite exhibiting distinct evolutionary trajectories, these two regions are strictly tied together and play a prominent role in motor and non-motor behavior in different animal species. However, little is known about their function in the human brain. This lack of knowledge may have been conditioned both by the notable differences between human and non-human RN and by inherent difficulties in studying this structure directly in the human brain, leading to a general decrease of interest in the last decades. In the present review, we identify the crucial issues in the current knowledge and summarize the results of several decades of research about the RN, ranging from animal models to human diseases. Connecting the dots between morphology, experimental physiology and neuroimaging, we try to draw a comprehensive overview on RN functional anatomy and bridge the gap between basic and translational research.
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Razmkon A, Yousefi O, Vaidyanathan J. Using Preimplanted Deep Brain Stimulation Electrodes for Rescue Thalamotomy in a Case of Holmes Tremor: A Case Report and Review of the Literature. Stereotact Funct Neurosurg 2020; 98:136-141. [PMID: 32209790 DOI: 10.1159/000506083] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2019] [Accepted: 01/10/2020] [Indexed: 11/19/2022]
Abstract
BACKGROUND Chronic stimulation of the thalamus is a surgical option in the management of intractable Holmes tremor. Patients with deep brain stimulation (DBS) can encounter infection as a postoperative complication, necessitating explantation of the hardware. Some studies have reported on the technique and the resulting efficacy of therapeutic lesioning through implanted DBS leads before their explantation. CASE DESCRIPTION We report the case of a patient with Holmes tremor who had stable control of symptoms with DBS of the nucleus ventralis intermedius of the thalamus (VIM) but developed localized infection over the extension at the neck, followed by gradual loss of a therapeutic effect as the neurostimulator reached the end of its service life. Three courses of systemic antibiotic therapy failed to control the infection. After careful consideration, we decided to make a rescue lesion through the implanted lead in the right VIM before explanting the complete DBS hardware. The tremor was well controlled after the rescue lesion procedure, and the effect was sustained during a 2-year follow-up period. CONCLUSION This case and the previously discussed ones from the literature demonstrate that making a rescue lesion through the DBS lead can be the last plausible option in cases where the DBS system has to be explanted because of an infection and reimplantation is a remote possibility.
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Affiliation(s)
- Ali Razmkon
- Research Center for Neuromodulation and Pain, Shiraz, Iran,
| | - Omid Yousefi
- Research Center for Neuromodulation and Pain, Shiraz, Iran
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Dogan SN. Hypertrophic Olivary Degeneration and Holmes Tremor: Case Report and Review of the Literature. World Neurosurg 2020; 137:286-290. [PMID: 32084623 DOI: 10.1016/j.wneu.2020.02.068] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2020] [Accepted: 02/10/2020] [Indexed: 01/07/2023]
Abstract
BACKGROUND Hypertrophic olivary degeneration (HOD) is very rare type of degeneration that causes hypertrophy rather than atrophy. The classical presentation of HOD is palatal myoclonus. However, HOD may rarely present with Holmes tremor (HT). HT is unusual symptomatic tremor characterized by combination of rest and intention tremor. It has been reported in small case series, so far. CASE DESCRIPTION In this study, a man aged 62 years with HOD and HT spreading to the upper and lower extremities after pontine-midbrain hemorrhage due to cavernoma was presented. CONCLUSIONS Although pontine-midbrain hemorrhage may cause HT in the late period, HOD can be revealed on magnetic resonance imaging. Tract anatomy, especially the Guillain-Mollaret triangle, should be considered to explain the relationship between HT and HOD.
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Affiliation(s)
- Sebahat Nacar Dogan
- Department of Radiology, University of Health Sciences Turkey, Gaziosmanpasa Training and Research Hospital, Istanbul, Turkey.
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7
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Hypertrophic olivary degeneration: A comprehensive review focusing on etiology. Brain Res 2019; 1718:53-63. [DOI: 10.1016/j.brainres.2019.04.024] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2019] [Revised: 04/08/2019] [Accepted: 04/22/2019] [Indexed: 12/27/2022]
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Suri R, Rodriguez-Porcel F, Donohue K, Jesse E, Lovera L, Dwivedi AK, Espay AJ. Post-stroke Movement Disorders: The Clinical, Neuroanatomic, and Demographic Portrait of 284 Published Cases. J Stroke Cerebrovasc Dis 2018; 27:2388-2397. [PMID: 29793802 DOI: 10.1016/j.jstrokecerebrovasdis.2018.04.028] [Citation(s) in RCA: 48] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2018] [Revised: 04/07/2018] [Accepted: 04/23/2018] [Indexed: 12/26/2022] Open
Abstract
PURPOSE Abnormal movements are a relatively uncommon complication of strokes. Besides the known correlation between stroke location and certain movement disorders, there remain uncertainties about the collective effects of age and stroke mechanism on phenomenology, onset latency, and outcome of abnormal movements. MATERIALS AND METHODS We systematically reviewed all published cases and case series with adequate clinical-imaging correlations. A total of 284 cases were analyzed to evaluate the distribution of different movement disorders and their association with important cofactors. RESULTS Posterolateral thalamus was the most common region affected (22.5%) and dystonia the most commonly reported movement disorder (23.2%). The most common disorders were parkinsonism (17.4%) and chorea (17.4%) after ischemic strokes and dystonia (45.5%) and tremor (19.7%) after hemorrhagic strokes. Strokes in the caudate and putamen were complicated by dystonia in one third of the cases; strokes in the globus pallidus were followed by parkinsonism in nearly 40%. Chorea was the earliest poststroke movement disorder, appearing within hours, whereas dystonia and tremor manifested several months after stroke. Hemorrhagic strokes were responsible for most delayed-onset movement disorders (>6 months) and were particularly overrepresented among younger individuals affected by dystonia. CONCLUSIONS This evidence-mapping portrait of poststroke movement disorders will require validation or correction based on a prospective epidemiologic study. We hypothesize that selective network vulnerability and resilience may explain the differences observed in movement phenomenology and outcomes after stroke.
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Affiliation(s)
- Ritika Suri
- James J. and Joan A. Gardner Center for Parkinson Disease and Movement Disorders, Department of Neurology and Rehabilitation Medicine, University of Cincinnati, Cincinnati, Ohio
| | | | - Kelly Donohue
- James J. and Joan A. Gardner Center for Parkinson Disease and Movement Disorders, Department of Neurology and Rehabilitation Medicine, University of Cincinnati, Cincinnati, Ohio
| | - Erin Jesse
- Department of Chemistry, Ohio State University, Columbus, Ohio
| | - Lilia Lovera
- Department of Neurology, Medical University of South Carolina, Charleston, South Carolina
| | - Alok Kumar Dwivedi
- Department of Biomedical Sciences, Division of Biostatistics and Epidemiology, Texas Tech University Health Sciences Center El Paso, El Paso, Texas
| | - Alberto J Espay
- James J. and Joan A. Gardner Center for Parkinson Disease and Movement Disorders, Department of Neurology and Rehabilitation Medicine, University of Cincinnati, Cincinnati, Ohio.
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Unilateral Symptomatic Hypertrophic Olivary Degeneration Secondary to Midline Brainstem Cavernous Angioma: A Case Report and Review of the Literature. World Neurosurg 2018; 110:294-300. [DOI: 10.1016/j.wneu.2017.10.061] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2017] [Accepted: 10/11/2017] [Indexed: 11/21/2022]
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Onen MR, Moore K, Cikla U, Ucer M, Schmidt B, Field AS, Baskaya MK. Hypertrophic Olivary Degeneration: Neurosurgical Perspective and Literature Review. World Neurosurg 2018; 112:e763-e771. [PMID: 29382617 DOI: 10.1016/j.wneu.2018.01.150] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2017] [Revised: 01/17/2018] [Accepted: 01/18/2018] [Indexed: 01/07/2023]
Abstract
BACKGROUND Hypertrophic olivary degeneration (HOD) occurs because of posterior fossa or brainstem lesions that disrupt the dentato-rubro-olivary tract, well known as the Guillain-Mollaret triangle. Clinical and radiologic hallmarks of this condition are palatal myoclonus and T2 hyperintensity of the inferior olivary complex on magnetic resonance imaging (MRI), respectively. Because symptomatic HOD can complicate the recovery of patients with posterior fossa or brainstem lesions, the purpose of this study is to evaluate clinical and imaging findings of patients with HOD. METHODS Sixteen patients (8 female and 8 male) with a mean age of 40.7 years, (range, 5-83 years) years were included in this study based on clinical symptoms and MRI findings. RESULTS We reviewed the clinical and imaging findings in 16 cases of HOD at our institution. Seven patients (43.7%) had posterior fossa tumors, 6 patients (37.5%) had cavernoma, 2 patients (12.5%) sustained traumatic brain injury, and only 1 patient (6.2%) had cerebellar infarction. Posterior fossa surgery was performed in 13 (81.2%) of these patients. HOD was detected a mean of 7.2 months (range, 0.5-18 months) after surgery or primary neurologic insult. Unilateral HOD was observed in 10 patients (62.5%), while bilateral HOD was observed in only 6 patients (37.5%). Seven patients (43.7%) were asymptomatic for HOD, whereas 5 patients (31.2%) had symptoms attributable to HOD. Two patients died because of primary tumors, although mean follow-up after detection of HOD on MRI was 52.2 months (range, 1-120 months) in the remaining 14 patients. In these cases, no change in clinical symptoms or imaging findings was detected during follow-up. CONCLUSIONS In this series, posterior fossa tumors and cavernomas were the most common causes of HOD. Although most of the patients with HOD remained asymptomatic, HOD complicated the course of recovery in almost one quarter of the patients included in this study. Neurosurgeons should be aware of HOD, which has characteristic clinical and imaging findings. In addition, HOD can complicate the recovery of patients with disruption to the dentato-rubro-olivary tract.
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Affiliation(s)
- Mehmet Resid Onen
- Department of Neurological Surgery, School of Medicine and Public Health, University of Wisconsin, Madison, Wisconsin, USA
| | - Kelli Moore
- Department of Radiology, School of Medicine and Public Health, University of Wisconsin, Madison, Wisconsin, USA
| | - Ulas Cikla
- Department of Neurological Surgery, School of Medicine and Public Health, University of Wisconsin, Madison, Wisconsin, USA
| | - Melih Ucer
- Department of Neurological Surgery, School of Medicine and Public Health, University of Wisconsin, Madison, Wisconsin, USA
| | - Bradley Schmidt
- Department of Neurological Surgery, School of Medicine and Public Health, University of Wisconsin, Madison, Wisconsin, USA
| | - Aaron S Field
- Department of Radiology, School of Medicine and Public Health, University of Wisconsin, Madison, Wisconsin, USA
| | - Mustafa K Baskaya
- Department of Neurological Surgery, School of Medicine and Public Health, University of Wisconsin, Madison, Wisconsin, USA.
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Elias GJB, Namasivayam AA, Lozano AM. Deep brain stimulation for stroke: Current uses and future directions. Brain Stimul 2017; 11:3-28. [PMID: 29089234 DOI: 10.1016/j.brs.2017.10.005] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2017] [Accepted: 10/07/2017] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND Survivors of stroke often experience significant disability and impaired quality of life related to ongoing maladaptive responses and persistent neurologic deficits. Novel therapeutic options are urgently needed to augment current approaches. One way to promote recovery and ameliorate symptoms may be to electrically stimulate the surviving brain. Various forms of brain stimulation have been investigated for use in stroke, including deep brain stimulation (DBS). OBJECTIVE/METHODS We conducted a comprehensive literature review in order to 1) review the use of DBS to treat post-stroke maladaptive responses including pain, dystonia, dyskinesias, and tremor and 2) assess the use and potential utility of DBS for enhancing plasticity and recovery from post-stroke neurologic deficits. RESULTS/CONCLUSIONS A large variety of brain structures have been targeted in post-stroke patients, including motor thalamus, sensory thalamus, basal ganglia nuclei, internal capsule, and periventricular/periaqueductal grey. Overall, the reviewed clinical literature suggests a role for DBS in the management of several post-stroke maladaptive responses. More limited evidence was identified regarding DBS for post-stroke motor deficits, although existing work tentatively suggests DBS-particularly DBS targeting the posterior limb of the internal capsule-may improve paresis in certain circumstances. Substantial future work is required both to establish optimal targets and parameters for treatment of maladapative responses and to further investigate the effectiveness of DBS for post-stroke paresis.
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Affiliation(s)
- Gavin J B Elias
- Division of Neurosurgery, Department of Surgery, Toronto Western Hospital, Krembil Neuroscience Center, University of Toronto, Toronto, ON M5T 2S8, Canada
| | - Andrew A Namasivayam
- Division of Neurosurgery, Department of Surgery, Toronto Western Hospital, Krembil Neuroscience Center, University of Toronto, Toronto, ON M5T 2S8, Canada
| | - Andres M Lozano
- Division of Neurosurgery, Department of Surgery, Toronto Western Hospital, Krembil Neuroscience Center, University of Toronto, Toronto, ON M5T 2S8, Canada.
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Iyer RS, Wattamwar P, Thomas B. Reversible Holmes' tremor due to spontaneous intracranial hypotension. BMJ Case Rep 2017; 2017:bcr-2017-220348. [PMID: 28754752 DOI: 10.1136/bcr-2017-220348] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
Holmes' tremor is a low-frequency hand tremor and has varying amplitude at different phases of motion. It is usually unilateral and does not respond satisfactorily to drugs and thus considered irreversible. Structural lesions in the thalamus and brainstem or cerebellum are usually responsible for Holmes' tremor. We present a 23-year-old woman who presented with unilateral Holmes' tremor. She also had hypersomnolence and headache in the sitting posture. Her brain imaging showed brain sagging and deep brain swelling due to spontaneous intracranial hypotension (SIH). She was managed conservatively and had a total clinical and radiological recovery. The brain sagging with the consequent distortion of the midbrain and diencephalon was responsible for this clinical presentation. SIH may be considered as one of the reversible causes of Holmes' tremor.
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Affiliation(s)
| | - Pandurang Wattamwar
- Department of Neurology, United CIIGMA Hospitals, Aurangabad, Maharashtra, India
| | - Bejoy Thomas
- Department of Imaging Sciences and Interventional R, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Trivandrum, India
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Delaunois J, Vaz G, Raftopoulos C. Transsylvian Transuncal Approach for an Anterior Midbrain Cavernous Malformation Resection: A Case Report. Oper Neurosurg (Hagerstown) 2017; 14:E38-E43. [DOI: 10.1093/ons/opx116] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2016] [Accepted: 05/02/2017] [Indexed: 11/13/2022] Open
Abstract
Abstract
BACKGROUND AND IMPORTANCE
Cavernous malformations (CMs) are vascular abnormalities with a hemorrhage risk of 0.2% to 5% per year, according to their location. Brainstem CMs seem to have a greater hemorrhagic risk and represent a neurosurgical challenge. We report here the first transsylvian transuncal (TS-TU) approach for an anteromedial mesencephalic CM resection.
CLINICAL PRESENTATION
A 29-yr-old female suddenly presented a left hemiparesis and central facial paresis with a diplopia in the upward gaze. A cerebral imagery revealed an 18-mm right cerebral peduncle CM with signs of acute hemorrhage. Two months later, she rebleed while pregnant. The pregnancy was interrupted. Five months later, a 3.0 Tesla magnetic resonance imaging (MRI) with diffusion tensor imaging sequences was realized for preoperative planning followed by a gross total resection of the CM through a TS-TU approach to avoid the perforating arteries of the anterior perforated substance. The patient presented postoperatively again a left hemiparesis and central facial paresis with a right oculomotor nerve paresis. On the tenth postsurgical day, she developed a Holmes’ tremor of the left upper limb, for which a Levodopa treatment was initiated. Three months postoperative, MRI showed a gross total resection of the mesencephalic CM without complications. A complete clinical recovery was observed 1 yr later.
CONCLUSION
We describe here the first performance of a TS-TU approach for an anterior mesencephalic CM resection. This surgical approach allowed direct access to the CM, avoiding the vascularization of the anterior perforated substance.
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Affiliation(s)
- Julien Delaunois
- Department of Neurosurgery, Cliniques Universitaires Saint-Luc, Université Cath-olique de Louvain, Brussels, Belgium
| | - Géraldo Vaz
- Department of Neurosurgery, Cliniques Universitaires Saint-Luc, Université Cath-olique de Louvain, Brussels, Belgium
| | - Christian Raftopoulos
- Department of Neurosurgery, Cliniques Universitaires Saint-Luc, Université Cath-olique de Louvain, Brussels, Belgium
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Abstract
Body lateropulsion is known to be caused commonly by lateral medullary lesions but rarely by pontine lesions. It is also known to be associated with lesions of the dorsal spinothalamic tract or ascending graviceptive pathways. We herein report the case of a 75-year-old woman presenting with contralateral lateropulsion and cerebellar tremor caused by pons infarction. To our knowledge, this is the first case report of pontine infarction causing both lateropulsion and cerebellar tremor. Our case may be helpful in anatomical studies of ascending graviceptive pathways.
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Affiliation(s)
- Ai Hosaka
- Department of Neurology, Hitachinaka Medical Education and Research Center, University of Tsukuba Hospital, Japan
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15
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Cosentino C, Velez M, Nuñez Y, Palomino H, Quispe D, Flores M, Torres L. Bilateral Hypertrophic Olivary Degeneration and Holmes Tremor without Palatal Tremor: An Unusual Association. TREMOR AND OTHER HYPERKINETIC MOVEMENTS (NEW YORK, N.Y.) 2016; 6:400. [PMID: 27536461 PMCID: PMC4954943 DOI: 10.7916/d87944ss] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/19/2016] [Accepted: 06/07/2016] [Indexed: 02/07/2023]
Abstract
BACKGROUND Lesions in the Guillain-Mollaret triangle or dentate-rubro-olivary pathway may lead to hypertrophic olivary degeneration (HOD), a secondary trans-synaptic degeneration of the inferior olivary nucleus. HOD is usually associated with palatal tremor and rarely with Holmes tremor. Bilateral HOD is a very unusual condition and very few cases are reported. CASE REPORT We report here two cases of bilateral HOD after two different vascular lesions located at the decussation of superior cerebellar peduncles, thus impairing both central tegmental tracts and interrupting bilaterally the dentate-rubral-olivary pathway. Interestingly, both developed bilateral Holmes tremor but not palatal tremor. DISCUSSION Lesions in some of the components in the Guillain-Mollaret triangle may develop Holmes tremor with HOD and without palatal tremor. Magnetic resonance imaging is an invaluable tool in these cases. Better understanding of the pathways in this loop is needed.
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Affiliation(s)
- Carlos Cosentino
- Departamento de Enfermedades Neurodegenerativas, Instituto Nacional de Ciencias Neurológicas, Lima, Peru
| | - Miriam Velez
- Departamento de Enfermedades Neurodegenerativas, Instituto Nacional de Ciencias Neurológicas, Lima, Peru
| | - Yesenia Nuñez
- Departamento de Enfermedades Neurodegenerativas, Instituto Nacional de Ciencias Neurológicas, Lima, Peru
| | - Henry Palomino
- Departamento de Enfermedades Neurodegenerativas, Instituto Nacional de Ciencias Neurológicas, Lima, Peru
| | - Darko Quispe
- Departamento de Enfermedades Neurodegenerativas, Instituto Nacional de Ciencias Neurológicas, Lima, Peru
| | - Martha Flores
- Departamento de Enfermedades Neurodegenerativas, Instituto Nacional de Ciencias Neurológicas, Lima, Peru
| | - Luis Torres
- Departamento de Enfermedades Neurodegenerativas, Instituto Nacional de Ciencias Neurológicas, Lima, Peru
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di Biase L, Munhoz RP. Deep brain stimulation for the treatment of hyperkinetic movement disorders. Expert Rev Neurother 2016; 16:1067-78. [DOI: 10.1080/14737175.2016.1196139] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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17
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Konno T, Broderick DF, Tacik P, Caviness JN, Wszolek ZK. Hypertrophic olivary degeneration: A clinico-radiologic study. Parkinsonism Relat Disord 2016; 28:36-40. [PMID: 27132500 DOI: 10.1016/j.parkreldis.2016.04.008] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/31/2015] [Revised: 04/04/2016] [Accepted: 04/10/2016] [Indexed: 01/16/2023]
Abstract
INTRODUCTION The frequency and causes of hypertrophic olivary degeneration (HOD) are unknown. We compared the clinical and radiological characteristics of unilateral HOD and bilateral HOD. METHODS We performed a search of a radiologic report database for patients who were radiologically diagnosed as having HOD. This database includes the patients examined at the Mayo Clinic in Florida and Arizona. We used the search terms "hypertrophic olivary degeneration", "HOD", and "olivary" in the reports recorded from 1995 to 2015. Pertinent medical records and magnetic resonance imaging (MRI) scans of the brain for those with HOD were reviewed retrospectively. RESULTS We identified 142 MRI studies on 95 cases who had radiologically proven HOD, 39 cases had unilateral HOD and 56 with bilateral HOD. In symptomatic cases, the most common symptom was ataxia. Palatal tremor was observed in almost half of all HOD cases. While cerebrovascular diseases were the most frequent etiology in both types of HOD (n = 24, 62% in unilateral; n = 17, 30% in bilateral), more than half of bilateral HOD cases had an unknown etiology (52%, n = 29), whereas only 13% (n = 5) of the unilateral cases had an unknown etiology (χ(2) test, P < 0.001). The lesions of unilateral HOD had a tendency to improve radiologically over time, whereas those associated with bilateral HOD were likely to worsen (χ(2) test, P < 0.05). CONCLUSIONS Our study showed that bilateral HOD is more common than unilateral HOD. Half of bilateral HOD cases had no obvious cause and some worsened over time. This may implicate a possible primary neurodegenerative process.
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Affiliation(s)
- Takuya Konno
- Department of Neurology, Mayo Clinic Florida, 4500 San Pablo Rd, Jacksonville, FL, 32224, USA
| | - Daniel F Broderick
- Department of Radiology, Mayo Clinic Florida, 4500 San Pablo Rd, Jacksonville, FL, 32224, USA
| | - Pawel Tacik
- Department of Neurology, Mayo Clinic Florida, 4500 San Pablo Rd, Jacksonville, FL, 32224, USA
| | - John N Caviness
- Department of Neurology, Mayo Clinic Arizona, 13400 East Shea Blvd., Scottsdale, AZ, 85259, USA
| | - Zbigniew K Wszolek
- Department of Neurology, Mayo Clinic Florida, 4500 San Pablo Rd, Jacksonville, FL, 32224, USA.
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18
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Raina GB, Cersosimo MG, Folgar SS, Giugni JC, Calandra C, Paviolo JP, Tkachuk VA, Zuñiga Ramirez C, Tschopp AL, Calvo DS, Pellene LA, Uribe Roca MC, Velez M, Giannaula RJ, Fernandez Pardal MM, Micheli FE. Holmes tremor: Clinical description, lesion localization, and treatment in a series of 29 cases. Neurology 2016; 86:931-8. [PMID: 26865524 PMCID: PMC4782118 DOI: 10.1212/wnl.0000000000002440] [Citation(s) in RCA: 95] [Impact Index Per Article: 11.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2015] [Accepted: 11/16/2015] [Indexed: 11/15/2022] Open
Abstract
OBJECTIVE To describe the clinical features, etiology, findings from neuroimaging, and treatment results in a series of 29 patients with Holmes tremor (HT). METHODS A retrospective study was performed based on review of medical records and videos of patients with HT diagnosis. RESULTS A total of 16 women and 13 men were included. The mean age at the moment of CNS insult was 33.9 ± 20.1 years (range 8-76 years). The most common causes were vascular (48.3%), ischemic, or hemorrhagic. Traumatic brain injury only represented 17.24%; other causes represented 34.5%. The median latency from lesion to tremor onset was 2 months (range 7 days-228 months). The most common symptoms/signs associated with HT were hemiparesis (62%), ataxia (51.7%), hypoesthesia (27.58%), dystonia (24.1%), cranial nerve involvement (24.1%), and dysarthria (24.1%). Other symptoms/signs were vertical gaze disorders (6.8%), bradykinesia/rigidity (6.8%), myoclonus (3.4%), and seizures (3.4%). Most of the patients had lesions involving more than one area. MRI showed lesions in thalamus or midbrain or cerebellum in 82.7% of the patients. Levodopa treatment was effective in 13 out of 24 treated patients (54.16%) and in 3 patients unilateral thalamotomy provided excellent results. CONCLUSIONS The most common causes of HT in our series were vascular lesions. The most common lesion topography was mesencephalic, thalamic, or both. Treatment with levodopa and thalamic stereotactic lesional surgery seems to be effective.
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Affiliation(s)
- Gabriela B Raina
- From Hospital de Clinicas "José de San Martin" (G.B.R., M.G.C., S.S.F., J.C.G., C.C., J.P.P., V.A.T., A.L.T., D.S.C., L.A.P., F.E.M.), Hospital Britanico (M.C.U.R., M.M.F.), and Hospital Español (R.J.G.), CABA, Buenos Aires, Argentina; Movement Disorders and Neurodegenerative Diseases Unit (C.Z.R.), Hospital Civil de Guadalajara "Fray Antonio Alcalde," Guadalajara, Mexico; and Instituto de Ciencias Neurologicas "Luis Trelles Montes" (M.V.), Lima, Peru
| | - Maria G Cersosimo
- From Hospital de Clinicas "José de San Martin" (G.B.R., M.G.C., S.S.F., J.C.G., C.C., J.P.P., V.A.T., A.L.T., D.S.C., L.A.P., F.E.M.), Hospital Britanico (M.C.U.R., M.M.F.), and Hospital Español (R.J.G.), CABA, Buenos Aires, Argentina; Movement Disorders and Neurodegenerative Diseases Unit (C.Z.R.), Hospital Civil de Guadalajara "Fray Antonio Alcalde," Guadalajara, Mexico; and Instituto de Ciencias Neurologicas "Luis Trelles Montes" (M.V.), Lima, Peru
| | - Silvia S Folgar
- From Hospital de Clinicas "José de San Martin" (G.B.R., M.G.C., S.S.F., J.C.G., C.C., J.P.P., V.A.T., A.L.T., D.S.C., L.A.P., F.E.M.), Hospital Britanico (M.C.U.R., M.M.F.), and Hospital Español (R.J.G.), CABA, Buenos Aires, Argentina; Movement Disorders and Neurodegenerative Diseases Unit (C.Z.R.), Hospital Civil de Guadalajara "Fray Antonio Alcalde," Guadalajara, Mexico; and Instituto de Ciencias Neurologicas "Luis Trelles Montes" (M.V.), Lima, Peru
| | - Juan C Giugni
- From Hospital de Clinicas "José de San Martin" (G.B.R., M.G.C., S.S.F., J.C.G., C.C., J.P.P., V.A.T., A.L.T., D.S.C., L.A.P., F.E.M.), Hospital Britanico (M.C.U.R., M.M.F.), and Hospital Español (R.J.G.), CABA, Buenos Aires, Argentina; Movement Disorders and Neurodegenerative Diseases Unit (C.Z.R.), Hospital Civil de Guadalajara "Fray Antonio Alcalde," Guadalajara, Mexico; and Instituto de Ciencias Neurologicas "Luis Trelles Montes" (M.V.), Lima, Peru
| | - Cristian Calandra
- From Hospital de Clinicas "José de San Martin" (G.B.R., M.G.C., S.S.F., J.C.G., C.C., J.P.P., V.A.T., A.L.T., D.S.C., L.A.P., F.E.M.), Hospital Britanico (M.C.U.R., M.M.F.), and Hospital Español (R.J.G.), CABA, Buenos Aires, Argentina; Movement Disorders and Neurodegenerative Diseases Unit (C.Z.R.), Hospital Civil de Guadalajara "Fray Antonio Alcalde," Guadalajara, Mexico; and Instituto de Ciencias Neurologicas "Luis Trelles Montes" (M.V.), Lima, Peru
| | - Juan P Paviolo
- From Hospital de Clinicas "José de San Martin" (G.B.R., M.G.C., S.S.F., J.C.G., C.C., J.P.P., V.A.T., A.L.T., D.S.C., L.A.P., F.E.M.), Hospital Britanico (M.C.U.R., M.M.F.), and Hospital Español (R.J.G.), CABA, Buenos Aires, Argentina; Movement Disorders and Neurodegenerative Diseases Unit (C.Z.R.), Hospital Civil de Guadalajara "Fray Antonio Alcalde," Guadalajara, Mexico; and Instituto de Ciencias Neurologicas "Luis Trelles Montes" (M.V.), Lima, Peru
| | - Veronica A Tkachuk
- From Hospital de Clinicas "José de San Martin" (G.B.R., M.G.C., S.S.F., J.C.G., C.C., J.P.P., V.A.T., A.L.T., D.S.C., L.A.P., F.E.M.), Hospital Britanico (M.C.U.R., M.M.F.), and Hospital Español (R.J.G.), CABA, Buenos Aires, Argentina; Movement Disorders and Neurodegenerative Diseases Unit (C.Z.R.), Hospital Civil de Guadalajara "Fray Antonio Alcalde," Guadalajara, Mexico; and Instituto de Ciencias Neurologicas "Luis Trelles Montes" (M.V.), Lima, Peru
| | - Carlos Zuñiga Ramirez
- From Hospital de Clinicas "José de San Martin" (G.B.R., M.G.C., S.S.F., J.C.G., C.C., J.P.P., V.A.T., A.L.T., D.S.C., L.A.P., F.E.M.), Hospital Britanico (M.C.U.R., M.M.F.), and Hospital Español (R.J.G.), CABA, Buenos Aires, Argentina; Movement Disorders and Neurodegenerative Diseases Unit (C.Z.R.), Hospital Civil de Guadalajara "Fray Antonio Alcalde," Guadalajara, Mexico; and Instituto de Ciencias Neurologicas "Luis Trelles Montes" (M.V.), Lima, Peru
| | - Andrea L Tschopp
- From Hospital de Clinicas "José de San Martin" (G.B.R., M.G.C., S.S.F., J.C.G., C.C., J.P.P., V.A.T., A.L.T., D.S.C., L.A.P., F.E.M.), Hospital Britanico (M.C.U.R., M.M.F.), and Hospital Español (R.J.G.), CABA, Buenos Aires, Argentina; Movement Disorders and Neurodegenerative Diseases Unit (C.Z.R.), Hospital Civil de Guadalajara "Fray Antonio Alcalde," Guadalajara, Mexico; and Instituto de Ciencias Neurologicas "Luis Trelles Montes" (M.V.), Lima, Peru
| | - Daniela S Calvo
- From Hospital de Clinicas "José de San Martin" (G.B.R., M.G.C., S.S.F., J.C.G., C.C., J.P.P., V.A.T., A.L.T., D.S.C., L.A.P., F.E.M.), Hospital Britanico (M.C.U.R., M.M.F.), and Hospital Español (R.J.G.), CABA, Buenos Aires, Argentina; Movement Disorders and Neurodegenerative Diseases Unit (C.Z.R.), Hospital Civil de Guadalajara "Fray Antonio Alcalde," Guadalajara, Mexico; and Instituto de Ciencias Neurologicas "Luis Trelles Montes" (M.V.), Lima, Peru
| | - Luis A Pellene
- From Hospital de Clinicas "José de San Martin" (G.B.R., M.G.C., S.S.F., J.C.G., C.C., J.P.P., V.A.T., A.L.T., D.S.C., L.A.P., F.E.M.), Hospital Britanico (M.C.U.R., M.M.F.), and Hospital Español (R.J.G.), CABA, Buenos Aires, Argentina; Movement Disorders and Neurodegenerative Diseases Unit (C.Z.R.), Hospital Civil de Guadalajara "Fray Antonio Alcalde," Guadalajara, Mexico; and Instituto de Ciencias Neurologicas "Luis Trelles Montes" (M.V.), Lima, Peru
| | - Marcela C Uribe Roca
- From Hospital de Clinicas "José de San Martin" (G.B.R., M.G.C., S.S.F., J.C.G., C.C., J.P.P., V.A.T., A.L.T., D.S.C., L.A.P., F.E.M.), Hospital Britanico (M.C.U.R., M.M.F.), and Hospital Español (R.J.G.), CABA, Buenos Aires, Argentina; Movement Disorders and Neurodegenerative Diseases Unit (C.Z.R.), Hospital Civil de Guadalajara "Fray Antonio Alcalde," Guadalajara, Mexico; and Instituto de Ciencias Neurologicas "Luis Trelles Montes" (M.V.), Lima, Peru
| | - Miriam Velez
- From Hospital de Clinicas "José de San Martin" (G.B.R., M.G.C., S.S.F., J.C.G., C.C., J.P.P., V.A.T., A.L.T., D.S.C., L.A.P., F.E.M.), Hospital Britanico (M.C.U.R., M.M.F.), and Hospital Español (R.J.G.), CABA, Buenos Aires, Argentina; Movement Disorders and Neurodegenerative Diseases Unit (C.Z.R.), Hospital Civil de Guadalajara "Fray Antonio Alcalde," Guadalajara, Mexico; and Instituto de Ciencias Neurologicas "Luis Trelles Montes" (M.V.), Lima, Peru
| | - Rolando J Giannaula
- From Hospital de Clinicas "José de San Martin" (G.B.R., M.G.C., S.S.F., J.C.G., C.C., J.P.P., V.A.T., A.L.T., D.S.C., L.A.P., F.E.M.), Hospital Britanico (M.C.U.R., M.M.F.), and Hospital Español (R.J.G.), CABA, Buenos Aires, Argentina; Movement Disorders and Neurodegenerative Diseases Unit (C.Z.R.), Hospital Civil de Guadalajara "Fray Antonio Alcalde," Guadalajara, Mexico; and Instituto de Ciencias Neurologicas "Luis Trelles Montes" (M.V.), Lima, Peru
| | - Manuel M Fernandez Pardal
- From Hospital de Clinicas "José de San Martin" (G.B.R., M.G.C., S.S.F., J.C.G., C.C., J.P.P., V.A.T., A.L.T., D.S.C., L.A.P., F.E.M.), Hospital Britanico (M.C.U.R., M.M.F.), and Hospital Español (R.J.G.), CABA, Buenos Aires, Argentina; Movement Disorders and Neurodegenerative Diseases Unit (C.Z.R.), Hospital Civil de Guadalajara "Fray Antonio Alcalde," Guadalajara, Mexico; and Instituto de Ciencias Neurologicas "Luis Trelles Montes" (M.V.), Lima, Peru
| | - Federico E Micheli
- From Hospital de Clinicas "José de San Martin" (G.B.R., M.G.C., S.S.F., J.C.G., C.C., J.P.P., V.A.T., A.L.T., D.S.C., L.A.P., F.E.M.), Hospital Britanico (M.C.U.R., M.M.F.), and Hospital Español (R.J.G.), CABA, Buenos Aires, Argentina; Movement Disorders and Neurodegenerative Diseases Unit (C.Z.R.), Hospital Civil de Guadalajara "Fray Antonio Alcalde," Guadalajara, Mexico; and Instituto de Ciencias Neurologicas "Luis Trelles Montes" (M.V.), Lima, Peru.
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Raina GB, Cersosimo MG, Folgar SS, Giugni JC, Calandra C, Paviolo JP, Tkachuk VA, Zuñiga Ramirez C, Tschopp AL, Calvo DS, Pellene LA, Uribe Roca MC, Velez M, Giannaula RJ, Fernandez Pardal MM, Micheli FE. Holmes tremor: Clinical description, lesion localization, and treatment in a series of 29 cases. Neurology 2016. [PMID: 26865524 DOI: 10.1212/wnl.0000000000002440.] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
OBJECTIVE To describe the clinical features, etiology, findings from neuroimaging, and treatment results in a series of 29 patients with Holmes tremor (HT). METHODS A retrospective study was performed based on review of medical records and videos of patients with HT diagnosis. RESULTS A total of 16 women and 13 men were included. The mean age at the moment of CNS insult was 33.9 ± 20.1 years (range 8-76 years). The most common causes were vascular (48.3%), ischemic, or hemorrhagic. Traumatic brain injury only represented 17.24%; other causes represented 34.5%. The median latency from lesion to tremor onset was 2 months (range 7 days-228 months). The most common symptoms/signs associated with HT were hemiparesis (62%), ataxia (51.7%), hypoesthesia (27.58%), dystonia (24.1%), cranial nerve involvement (24.1%), and dysarthria (24.1%). Other symptoms/signs were vertical gaze disorders (6.8%), bradykinesia/rigidity (6.8%), myoclonus (3.4%), and seizures (3.4%). Most of the patients had lesions involving more than one area. MRI showed lesions in thalamus or midbrain or cerebellum in 82.7% of the patients. Levodopa treatment was effective in 13 out of 24 treated patients (54.16%) and in 3 patients unilateral thalamotomy provided excellent results. CONCLUSIONS The most common causes of HT in our series were vascular lesions. The most common lesion topography was mesencephalic, thalamic, or both. Treatment with levodopa and thalamic stereotactic lesional surgery seems to be effective.
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Affiliation(s)
- Gabriela B Raina
- From Hospital de Clinicas "José de San Martin" (G.B.R., M.G.C., S.S.F., J.C.G., C.C., J.P.P., V.A.T., A.L.T., D.S.C., L.A.P., F.E.M.), Hospital Britanico (M.C.U.R., M.M.F.), and Hospital Español (R.J.G.), CABA, Buenos Aires, Argentina; Movement Disorders and Neurodegenerative Diseases Unit (C.Z.R.), Hospital Civil de Guadalajara "Fray Antonio Alcalde," Guadalajara, Mexico; and Instituto de Ciencias Neurologicas "Luis Trelles Montes" (M.V.), Lima, Peru
| | - Maria G Cersosimo
- From Hospital de Clinicas "José de San Martin" (G.B.R., M.G.C., S.S.F., J.C.G., C.C., J.P.P., V.A.T., A.L.T., D.S.C., L.A.P., F.E.M.), Hospital Britanico (M.C.U.R., M.M.F.), and Hospital Español (R.J.G.), CABA, Buenos Aires, Argentina; Movement Disorders and Neurodegenerative Diseases Unit (C.Z.R.), Hospital Civil de Guadalajara "Fray Antonio Alcalde," Guadalajara, Mexico; and Instituto de Ciencias Neurologicas "Luis Trelles Montes" (M.V.), Lima, Peru
| | - Silvia S Folgar
- From Hospital de Clinicas "José de San Martin" (G.B.R., M.G.C., S.S.F., J.C.G., C.C., J.P.P., V.A.T., A.L.T., D.S.C., L.A.P., F.E.M.), Hospital Britanico (M.C.U.R., M.M.F.), and Hospital Español (R.J.G.), CABA, Buenos Aires, Argentina; Movement Disorders and Neurodegenerative Diseases Unit (C.Z.R.), Hospital Civil de Guadalajara "Fray Antonio Alcalde," Guadalajara, Mexico; and Instituto de Ciencias Neurologicas "Luis Trelles Montes" (M.V.), Lima, Peru
| | - Juan C Giugni
- From Hospital de Clinicas "José de San Martin" (G.B.R., M.G.C., S.S.F., J.C.G., C.C., J.P.P., V.A.T., A.L.T., D.S.C., L.A.P., F.E.M.), Hospital Britanico (M.C.U.R., M.M.F.), and Hospital Español (R.J.G.), CABA, Buenos Aires, Argentina; Movement Disorders and Neurodegenerative Diseases Unit (C.Z.R.), Hospital Civil de Guadalajara "Fray Antonio Alcalde," Guadalajara, Mexico; and Instituto de Ciencias Neurologicas "Luis Trelles Montes" (M.V.), Lima, Peru
| | - Cristian Calandra
- From Hospital de Clinicas "José de San Martin" (G.B.R., M.G.C., S.S.F., J.C.G., C.C., J.P.P., V.A.T., A.L.T., D.S.C., L.A.P., F.E.M.), Hospital Britanico (M.C.U.R., M.M.F.), and Hospital Español (R.J.G.), CABA, Buenos Aires, Argentina; Movement Disorders and Neurodegenerative Diseases Unit (C.Z.R.), Hospital Civil de Guadalajara "Fray Antonio Alcalde," Guadalajara, Mexico; and Instituto de Ciencias Neurologicas "Luis Trelles Montes" (M.V.), Lima, Peru
| | - Juan P Paviolo
- From Hospital de Clinicas "José de San Martin" (G.B.R., M.G.C., S.S.F., J.C.G., C.C., J.P.P., V.A.T., A.L.T., D.S.C., L.A.P., F.E.M.), Hospital Britanico (M.C.U.R., M.M.F.), and Hospital Español (R.J.G.), CABA, Buenos Aires, Argentina; Movement Disorders and Neurodegenerative Diseases Unit (C.Z.R.), Hospital Civil de Guadalajara "Fray Antonio Alcalde," Guadalajara, Mexico; and Instituto de Ciencias Neurologicas "Luis Trelles Montes" (M.V.), Lima, Peru
| | - Veronica A Tkachuk
- From Hospital de Clinicas "José de San Martin" (G.B.R., M.G.C., S.S.F., J.C.G., C.C., J.P.P., V.A.T., A.L.T., D.S.C., L.A.P., F.E.M.), Hospital Britanico (M.C.U.R., M.M.F.), and Hospital Español (R.J.G.), CABA, Buenos Aires, Argentina; Movement Disorders and Neurodegenerative Diseases Unit (C.Z.R.), Hospital Civil de Guadalajara "Fray Antonio Alcalde," Guadalajara, Mexico; and Instituto de Ciencias Neurologicas "Luis Trelles Montes" (M.V.), Lima, Peru
| | - Carlos Zuñiga Ramirez
- From Hospital de Clinicas "José de San Martin" (G.B.R., M.G.C., S.S.F., J.C.G., C.C., J.P.P., V.A.T., A.L.T., D.S.C., L.A.P., F.E.M.), Hospital Britanico (M.C.U.R., M.M.F.), and Hospital Español (R.J.G.), CABA, Buenos Aires, Argentina; Movement Disorders and Neurodegenerative Diseases Unit (C.Z.R.), Hospital Civil de Guadalajara "Fray Antonio Alcalde," Guadalajara, Mexico; and Instituto de Ciencias Neurologicas "Luis Trelles Montes" (M.V.), Lima, Peru
| | - Andrea L Tschopp
- From Hospital de Clinicas "José de San Martin" (G.B.R., M.G.C., S.S.F., J.C.G., C.C., J.P.P., V.A.T., A.L.T., D.S.C., L.A.P., F.E.M.), Hospital Britanico (M.C.U.R., M.M.F.), and Hospital Español (R.J.G.), CABA, Buenos Aires, Argentina; Movement Disorders and Neurodegenerative Diseases Unit (C.Z.R.), Hospital Civil de Guadalajara "Fray Antonio Alcalde," Guadalajara, Mexico; and Instituto de Ciencias Neurologicas "Luis Trelles Montes" (M.V.), Lima, Peru
| | - Daniela S Calvo
- From Hospital de Clinicas "José de San Martin" (G.B.R., M.G.C., S.S.F., J.C.G., C.C., J.P.P., V.A.T., A.L.T., D.S.C., L.A.P., F.E.M.), Hospital Britanico (M.C.U.R., M.M.F.), and Hospital Español (R.J.G.), CABA, Buenos Aires, Argentina; Movement Disorders and Neurodegenerative Diseases Unit (C.Z.R.), Hospital Civil de Guadalajara "Fray Antonio Alcalde," Guadalajara, Mexico; and Instituto de Ciencias Neurologicas "Luis Trelles Montes" (M.V.), Lima, Peru
| | - Luis A Pellene
- From Hospital de Clinicas "José de San Martin" (G.B.R., M.G.C., S.S.F., J.C.G., C.C., J.P.P., V.A.T., A.L.T., D.S.C., L.A.P., F.E.M.), Hospital Britanico (M.C.U.R., M.M.F.), and Hospital Español (R.J.G.), CABA, Buenos Aires, Argentina; Movement Disorders and Neurodegenerative Diseases Unit (C.Z.R.), Hospital Civil de Guadalajara "Fray Antonio Alcalde," Guadalajara, Mexico; and Instituto de Ciencias Neurologicas "Luis Trelles Montes" (M.V.), Lima, Peru
| | - Marcela C Uribe Roca
- From Hospital de Clinicas "José de San Martin" (G.B.R., M.G.C., S.S.F., J.C.G., C.C., J.P.P., V.A.T., A.L.T., D.S.C., L.A.P., F.E.M.), Hospital Britanico (M.C.U.R., M.M.F.), and Hospital Español (R.J.G.), CABA, Buenos Aires, Argentina; Movement Disorders and Neurodegenerative Diseases Unit (C.Z.R.), Hospital Civil de Guadalajara "Fray Antonio Alcalde," Guadalajara, Mexico; and Instituto de Ciencias Neurologicas "Luis Trelles Montes" (M.V.), Lima, Peru
| | - Miriam Velez
- From Hospital de Clinicas "José de San Martin" (G.B.R., M.G.C., S.S.F., J.C.G., C.C., J.P.P., V.A.T., A.L.T., D.S.C., L.A.P., F.E.M.), Hospital Britanico (M.C.U.R., M.M.F.), and Hospital Español (R.J.G.), CABA, Buenos Aires, Argentina; Movement Disorders and Neurodegenerative Diseases Unit (C.Z.R.), Hospital Civil de Guadalajara "Fray Antonio Alcalde," Guadalajara, Mexico; and Instituto de Ciencias Neurologicas "Luis Trelles Montes" (M.V.), Lima, Peru
| | - Rolando J Giannaula
- From Hospital de Clinicas "José de San Martin" (G.B.R., M.G.C., S.S.F., J.C.G., C.C., J.P.P., V.A.T., A.L.T., D.S.C., L.A.P., F.E.M.), Hospital Britanico (M.C.U.R., M.M.F.), and Hospital Español (R.J.G.), CABA, Buenos Aires, Argentina; Movement Disorders and Neurodegenerative Diseases Unit (C.Z.R.), Hospital Civil de Guadalajara "Fray Antonio Alcalde," Guadalajara, Mexico; and Instituto de Ciencias Neurologicas "Luis Trelles Montes" (M.V.), Lima, Peru
| | - Manuel M Fernandez Pardal
- From Hospital de Clinicas "José de San Martin" (G.B.R., M.G.C., S.S.F., J.C.G., C.C., J.P.P., V.A.T., A.L.T., D.S.C., L.A.P., F.E.M.), Hospital Britanico (M.C.U.R., M.M.F.), and Hospital Español (R.J.G.), CABA, Buenos Aires, Argentina; Movement Disorders and Neurodegenerative Diseases Unit (C.Z.R.), Hospital Civil de Guadalajara "Fray Antonio Alcalde," Guadalajara, Mexico; and Instituto de Ciencias Neurologicas "Luis Trelles Montes" (M.V.), Lima, Peru
| | - Federico E Micheli
- From Hospital de Clinicas "José de San Martin" (G.B.R., M.G.C., S.S.F., J.C.G., C.C., J.P.P., V.A.T., A.L.T., D.S.C., L.A.P., F.E.M.), Hospital Britanico (M.C.U.R., M.M.F.), and Hospital Español (R.J.G.), CABA, Buenos Aires, Argentina; Movement Disorders and Neurodegenerative Diseases Unit (C.Z.R.), Hospital Civil de Guadalajara "Fray Antonio Alcalde," Guadalajara, Mexico; and Instituto de Ciencias Neurologicas "Luis Trelles Montes" (M.V.), Lima, Peru.
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Deep brain stimulation of the globus pallidus internus or ventralis intermedius nucleus of thalamus for Holmes tremor. Neurosurg Rev 2015; 38:753-63. [DOI: 10.1007/s10143-015-0636-0] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2014] [Revised: 10/06/2014] [Accepted: 01/19/2015] [Indexed: 10/23/2022]
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Araujo NADA, Raeder MTDL, da Silva Junior NA, Oshima MM, Parizotto LO, Reis F. Hypertrophic olivary degeneration secondary to central tegmental tract injury. Radiol Bras 2015; 48:199-200. [PMID: 26185351 PMCID: PMC4492577 DOI: 10.1590/0100-3984.2014.0075] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/17/2024] Open
Affiliation(s)
| | | | | | | | | | - Fabiano Reis
- Universidade Estadual de Campinas (Unicamp), Campinas, SP, Brazil
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Vim thalamotomy in a patient with Holmes' tremor and palatal tremor - Pathophysiological considerations. BMC Neurol 2015; 15:26. [PMID: 25879699 PMCID: PMC4357054 DOI: 10.1186/s12883-015-0277-5] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2014] [Accepted: 02/20/2015] [Indexed: 11/19/2022] Open
Abstract
Background We peformed a ventral intermediate nucleus (Vim) thalamotomy in a patient with Holmes’ tremor and palatal tremor. The frequencies of these movement disorders were 4 Hz and 3 Hz, respectively. Vim thalamotomy stopped the Holmes’ tremor but not the palatal tremor. Our observations suggest different mechanisms for these two involuntary movements. Case presentation A 57-arm 11 months after a pontine hemorrhage. Transoral carotid ultrasonography revealed periodic motion of her posterior pharyngeal wall with a frequency of 3 Hz. Recording of neuronal activities in the thalamus revealed a 4Hz rhythmic discharge time that was associated with her tremor in the contralateral arm. A left Vim thalamotomy was performed. The resting tremor of the upper limb stopped, but the kinetic tremor recurred 6 months after the thalamotomy. No effect was observed on her palatal tremor. Conclusions The different effects of Vim thalamotomy on the Holmes’ tremor and palatal tremor suggest different oscillation sources for these two involuntary movements.
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Maki F, Sato S, Watanabe K, Yanagisawa T, Hagiwara Y, Shimizu T, Hasegawa Y. Vim thalamotomy in a patient with Holmes' tremor and palatal tremor - Pathophysiological considerations. BMC Neurol 2015. [PMID: 25879699 DOI: 10.1186/s12883-015-0277-5.] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND We peformed a ventral intermediate nucleus (Vim) thalamotomy in a patient with Holmes' tremor and palatal tremor. The frequencies of these movement disorders were 4 Hz and 3 Hz, respectively. Vim thalamotomy stopped the Holmes' tremor but not the palatal tremor. Our observations suggest different mechanisms for these two involuntary movements. CASE PRESENTATION A 57-arm 11 months after a pontine hemorrhage. Transoral carotid ultrasonography revealed periodic motion of her posterior pharyngeal wall with a frequency of 3 Hz. Recording of neuronal activities in the thalamus revealed a 4Hz rhythmic discharge time that was associated with her tremor in the contralateral arm. A left Vim thalamotomy was performed. The resting tremor of the upper limb stopped, but the kinetic tremor recurred 6 months after the thalamotomy. No effect was observed on her palatal tremor. CONCLUSIONS The different effects of Vim thalamotomy on the Holmes' tremor and palatal tremor suggest different oscillation sources for these two involuntary movements.
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Affiliation(s)
- Futaba Maki
- Department of Neurology, St. Marianna University School of Medicine, Kawasaki, Kanagawa, 216-8511, Japan.
| | - Sumito Sato
- Department of Neurosurgery, Kitasato University School of Medicine, Kanagawa, Japan.
| | - Katsushige Watanabe
- Department of Neurosurgery, Tokyo Metropolitan Matsuzawa hospital, Tokyo, Japan.
| | - Toshiyuki Yanagisawa
- Department of Neurology, St. Marianna University School of Medicine, Kawasaki, Kanagawa, 216-8511, Japan.
| | - Yuta Hagiwara
- Department of Neurology, St. Marianna University School of Medicine, Kawasaki, Kanagawa, 216-8511, Japan.
| | - Takahiro Shimizu
- Department of Neurology, St. Marianna University School of Medicine, Kawasaki, Kanagawa, 216-8511, Japan.
| | - Yasuhiro Hasegawa
- Department of Neurology, St. Marianna University School of Medicine, Kawasaki, Kanagawa, 216-8511, Japan.
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Tartaglione T, Izzo G, Alexandre A, Botto A, Di Lella GM, Gaudino S, Caldarelli M, Colosimo C. MRI findings of olivary degeneration after surgery for posterior fossa tumours in children: incidence, time course and correlation with tumour grading. Radiol Med 2015; 120:474-82. [PMID: 25572537 DOI: 10.1007/s11547-014-0477-x] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2014] [Accepted: 06/16/2014] [Indexed: 01/12/2023]
Abstract
PURPOSE Olivary degeneration is due to many posterior cranial fossa (PCF) lesions affecting the dentato-rubro-olivary pathway, also known as Guillain-Mollaret triangle. Triangle damage results in hyperexcitation and consequently in hypertrophy of the inferior olivary nucleus (ION). The aim of our study was to evaluate the incidence of magnetic resonance (MR) imaging changes in the ION after surgery in a large cohort of paediatric patients and to determine their correlation with tumour grade. MATERIALS AND METHODS We retrospectively evaluated 58 patients treated surgically for PCF tumours who underwent MR imaging between 2007 and 2014, 1 week to 5 years after surgery. Histopathology revealed 29 medulloblastomas (WHO IV), 6 ependymomas (WHO II), 2 anaplastic ependymomas (WHO III) and 21 pilocytic astrocytomas (WHO I). ION MR imaging changes were correlated with surgery-to-MR interval and with tumour grading. RESULTS ION MR imaging changes were observed in 19/64 (33 %), and all consisted of T2 signal alterations, 15 bilateral and four unilateral, with dentate nucleus damage in all cases. Olivary enlargement was observed in few cases only (7/19). ION T2 hyperintensity was always present between 1 and 6 months after surgery with a trend to decrease, becoming faint after 1 year. The Fisher test demonstrated a significant (p = 0.005) correlation between ION MR imaging changes and high tumour grade. CONCLUSIONS Our results demonstrate that olivary degeneration, with or without hypertrophy, is a relatively frequent consequence of posterior fossa surgery, particularly in children treated for high-grade tumours. Knowledge of this condition can prevent misdiagnoses and unnecessary investigations.
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Affiliation(s)
- Tommaso Tartaglione
- Istituto di Radiologia - Dipartimento di Bioimmagini e Scienze Radiologiche, Rome, Italy
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Baizabal-Carvallo JF, Cardoso F, Jankovic J. Myorhythmia: Phenomenology, etiology, and treatment. Mov Disord 2014; 30:171-9. [DOI: 10.1002/mds.26093] [Citation(s) in RCA: 73] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2014] [Revised: 10/28/2014] [Accepted: 11/01/2014] [Indexed: 11/08/2022] Open
Affiliation(s)
- José Fidel Baizabal-Carvallo
- Parkinson's Disease Center and Movement Disorders Clinic; Department of Neurology; Baylor College of Medicine; Houston Texas USA
| | - Francisco Cardoso
- Movement Disorders Clinic; Neurology Service; Department of Internal Medicine; The Federal University of Minas Gerais; Belo Horizonte MG Brazil
| | - Joseph Jankovic
- Parkinson's Disease Center and Movement Disorders Clinic; Department of Neurology; Baylor College of Medicine; Houston Texas USA
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Santos AF, Rocha S, Varanda S, Pinho J, Rodrigues M, Ramalho Fontes J, Soares-Fernandes J, Ferreira C. Hypertrophic olivary degeneration and cerebrovascular disease: movement in a triangle. J Stroke Cerebrovasc Dis 2014; 24:e59-60. [PMID: 25455430 DOI: 10.1016/j.jstrokecerebrovasdis.2014.09.036] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2014] [Revised: 08/25/2014] [Accepted: 09/28/2014] [Indexed: 11/26/2022] Open
Abstract
Hypertrophic olivary degeneration is a rare kind of trans-synaptic degeneration that occurs after lesions of the dentatorubro-olivary pathway. The lesions, commonly unilateral, may result from hemorrhage due to vascular malformation, trauma, surgical intervention or hypertension, tumor, or ischemia. Bilateral cases are extremely rare. This condition is classically associated with development of palatal tremor, but clinical manifestations can include other involuntary movements. We describe 2 cases: unilateral hypertrophic olivary degeneration in a 60-year-old man with contralateral athetosis and neurologic worsening developing several years after a pontine hemorrhage and bilateral hypertrophic olivary degeneration in a 77-year-old woman with development of palatal tremor, probably secondary to pontine ischemic lesions (small vessel disease).
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Affiliation(s)
| | - Sofia Rocha
- Neurology Department, Hospital de Braga, Braga, Portugal
| | - Sara Varanda
- Neurology Department, Hospital de Braga, Braga, Portugal
| | - João Pinho
- Neurology Department, Hospital de Braga, Braga, Portugal
| | | | | | | | - Carla Ferreira
- Neurology Department, Hospital de Braga, Braga, Portugal
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Menéndez DFS, Cury RG, Barbosa ER, Teixeira MJ, Fonoff ET. Hypertrophic olivary degeneration and holmes' tremor secondary to bleeding of cavernous malformation in the midbrain. TREMOR AND OTHER HYPERKINETIC MOVEMENTS (NEW YORK, N.Y.) 2014; 4:264. [PMID: 25332842 PMCID: PMC4198399 DOI: 10.7916/d8pg1pxt] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/11/2014] [Accepted: 08/18/2014] [Indexed: 12/04/2022]
Abstract
Background Hypertrophic olivary degeneration (HOD) is a rare phenomenon, probably related to transsynaptic degeneration of the inferior olivary nucleus. It usually occurs as a response to primary injury of dento-rubro-olivary pathways. Case report A young man developed Holmes' tremor 7 months after a cavernous malformation bleed in the midbrain. Typical findings of HOD were observed in the magnetic resonance images: bilateral and asymmetric hypertrophy of the olivary nucleus with slight hypersignal in T2-weighted images. Because of the striking disability related to drug-resistant tremor, the patient underwent stereotactic thalamotomy (nucleus ventralis intermedius of the thalamus/zona incerta) with pronounced functional improvement over time. Discussion Disruption of circuits in the Guillain–Mollaret triangle classically results in palatal myoclonus, however midbrain (Holmes') tremor can also occur, as we now describe.
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Affiliation(s)
- Djalma F S Menéndez
- Division of Functional Neurosurgery of the Institute of Psychiatry of the Hospital das Clinicas of the University of São Paulo
| | - Rubens G Cury
- Abnormal Movements Unit of the Hospital das Clinicas of the University of São Paulo
| | - Egberto R Barbosa
- Abnormal Movements Unit of the Hospital das Clinicas of the University of São Paulo
| | - Manoel J Teixeira
- Discipline of Neurosurgery of the São Paulo University Medical School
| | - Erich T Fonoff
- Discipline of Neurosurgery of the São Paulo University Medical School
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Kim MK, Cho BM, Park SH, Yoon DY. Holmes' tremor associated with bilateral hypertrophic olivary degeneration following brain stem hemorrhage: a case report. J Cerebrovasc Endovasc Neurosurg 2014; 16:299-302. [PMID: 25340035 PMCID: PMC4205259 DOI: 10.7461/jcen.2014.16.3.299] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2014] [Revised: 09/11/2014] [Accepted: 09/18/2014] [Indexed: 11/23/2022] Open
Abstract
Holmes' tremor is a condition characterized by a mixture of postural, rest, and action tremors due to midbrain lesions in the vicinity of the red nucleus. Hypertrophic olivary degeneration (HOD) is a rare type of neuronal degeneration involving the dento-rubro-olivary pathway and may present clinically as Holmes tremor. We report on a 59-year-old female patient who developed Holmes tremor in association with bilateral HOD, following brain stem hemorrhage.
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Affiliation(s)
- Min Kyu Kim
- Department of neurosurgery, Hallym University Kangdong Sacred Heart Hospital, College of Medicine, Hallym University, Seoul, Korea
| | - Byung Moon Cho
- Department of neurosurgery, Hallym University Kangdong Sacred Heart Hospital, College of Medicine, Hallym University, Seoul, Korea
| | - Se-Hyuck Park
- Department of neurosurgery, Hallym University Kangdong Sacred Heart Hospital, College of Medicine, Hallym University, Seoul, Korea
| | - Dae Young Yoon
- Department of Radiology, Hallym University Kangdong Sacred Heart Hospital, College of Medicine, Hallym University, Seoul, Korea
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Pandey P, Westbroek EM, Gooderham PA, Steinberg GK. Cavernous malformation of brainstem, thalamus, and basal ganglia: a series of 176 patients. Neurosurgery 2013; 72:573-89; discussion 588-9. [PMID: 23262564 DOI: 10.1227/neu.0b013e318283c9c2] [Citation(s) in RCA: 96] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Cavernous malformations (CMs) in deep locations account for 9% to 35% of brain malformations and are surgically challenging. OBJECTIVE To study the clinical features and outcomes following surgery for deep CMs and the complication of hypertrophic olivary degeneration (HOD). METHODS Clinical records, radiological findings, operative details, and complications of 176 patients with deep CMs were reviewed retrospectively. RESULTS Of 176 patients with 179 CMs, 136 CMs were in the brainstem, 27 in the basal ganglia, and 16 in the thalamus. Cranial nerve deficits (51.1%), hemiparesis (40.9%), numbness (34.7%), and cerebellar symptoms (38.6%) presented most commonly. Hemorrhage presented in 172 patients (70 single, 102 multiple). The annual retrospective hemorrhage rate was 5.1% (assuming CMs are congenital with uniform hemorrhage risk throughout life); the rebleed rate was 31.5%/patient per year. Surgical approach depended on the proximity of the CM to the pial or ependymal surface. Postoperatively, 121 patients (68.8%) had no new neurological deficits. Follow-up occurred in 170 patients. Delayed postoperative HOD developed in 9/134 (6.7%) patients with brainstem CMs. HOD occurred predominantly following surgery for pontine CMs (9/10 patients). Three patients with HOD had palatal myoclonus, nystagmus, and oscillopsia, whereas 1 patient each had limb tremor and hemiballismus. At follow-up, 105 patients (61.8%) improved, 44 (25.9%) were unchanged, and 19 (11.2%) worsened neurologically. Good preoperative modified Rankin Score (98.2% vs 54.5%, P = .001) and single hemorrhage (89% vs 77.3%, P < .05) were predictive of good long-term outcome. CONCLUSION Symptomatic deep CMs can be resected with acceptable morbidity and outcomes. Good preoperative modified Rankin Score and single hemorrhage are predictors of good long-term outcome.
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Affiliation(s)
- Paritosh Pandey
- Department of Neurosurgery, Stanford Stroke Center and Stanford Institute for Neuro-Innovation and Translational Neurosciences, Stanford University School of Medicine, Stanford, CA, USA
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Patay Z, Enterkin J, Harreld JH, Yuan Y, Löbel U, Rumboldt Z, Khan R, Boop F. MR imaging evaluation of inferior olivary nuclei: comparison of postoperative subjects with and without posterior fossa syndrome. AJNR Am J Neuroradiol 2013; 35:797-802. [PMID: 24184519 DOI: 10.3174/ajnr.a3762] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
BACKGROUND AND PURPOSE Posterior fossa syndrome is a severe postoperative complication occurring in up to 29% of children undergoing posterior fossa tumor resection; it is most likely caused by bilateral damage to the proximal efferent cerebellar pathways, whose fibers contribute to the Guillain-Mollaret triangle. When the triangle is disrupted, hypertrophic olivary degeneration develops. We hypothesized that MR imaging patterns of inferior olivary nucleus changes reflect patterns of damage to the proximal efferent cerebellar pathways and show association with clinical findings, in particular the presence or absence of posterior fossa syndrome. MATERIALS AND METHODS We performed blinded, randomized longitudinal MR imaging analyses of the inferior olivary nuclei of 12 children with and 12 without posterior fossa syndrome after surgery for midline intraventricular tumor in the posterior fossa. The Fisher exact test was performed to investigate the association between posterior fossa syndrome and hypertrophic olivary degeneration on MR imaging. The sensitivity and specificity of MR imaging findings of bilateral hypertrophic olivary degeneration for posterior fossa syndrome were measured. RESULTS Of the 12 patients with posterior fossa syndrome, 9 had bilateral inferior olivary nucleus abnormalities. The 12 patients without posterior fossa syndrome had either unilateral or no inferior olivary nucleus abnormalities. The association of posterior fossa syndrome and hypertrophic olivary degeneration was statistically significant (P < .0001). CONCLUSIONS Hypertrophic olivary degeneration may be a surrogate imaging indicator for damage to the contralateral proximal efferent cerebellar pathway. In the appropriate clinical setting, bilateral hypertrophic olivary degeneration may be a sensitive and specific indicator of posterior fossa syndrome.
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Affiliation(s)
- Z Patay
- From the Departments of Radiological Sciences (Z.P., J.H.H., U.L.)
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Kipfer S, Frigerio SB. Post-ischemic stroke Holmes' tremor of the upper limb. Mov Disord 2013; 28:1347. [PMID: 23926079 DOI: 10.1002/mds.25621] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2013] [Revised: 06/10/2013] [Accepted: 07/02/2013] [Indexed: 11/05/2022] Open
Affiliation(s)
- Stefan Kipfer
- Department of Neurology, Kantonsspital Olten, Olten, Switzerland
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The dentato-rubro-olivary tract: clinical dimension of this anatomical pathway. Case Rep Otolaryngol 2013; 2013:934386. [PMID: 23662232 PMCID: PMC3639700 DOI: 10.1155/2013/934386] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2013] [Accepted: 03/12/2013] [Indexed: 11/17/2022] Open
Abstract
Symptomatic palatal tremor is potentially the result of a lesion in the triangle of Guillain-Mollaret (1931) and is associated with hypertrophic olivary degeneration (HOD) which has characteristic MR findings. The triangle is defined by dentate efferents ascending through the superior cerebellar peduncle and crossing in the decussation of the brachium conjunctivum inferior to the red nucleus, to finaliy reach the inferior olivary nucleus (ION) via the central tegmental tract. The triangle is completed by ION decussating efferents terminating on the original dentate nucleus via the inferior cerebellar peduncle. We can demonstrate the anatomy of this anatomical triangle using a clinical case of palatal tremor presenting with bilateral subjective pulsatile tinnitus along with the pathognomonic MR findings previously described. The hyperintense T2 signal in these patients may be permanent, but the hypertrophied olive normally regresses after 4 years. The temporal relationship between the evolution of the histopathology and the development of the palatal tremor remains unknown as does the natural history of the tremor. Botox injection at the level of tensor and levator veli palatini insertion have been used to treat patients with disabling tremor synchronous tinnitus. A lesion involving the triangle can have a quite varied clinical expression.
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Yun JH, Ahn JS, Park JC, Kwon DH, Kwun BD, Kim CJ. Hypertrophic olivary degeneration following surgical resection or gamma knife radiosurgery of brainstem cavernous malformations: an 11-case series and a review of literature. Acta Neurochir (Wien) 2013; 155:469-76. [PMID: 23224379 DOI: 10.1007/s00701-012-1567-y] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2012] [Accepted: 11/13/2012] [Indexed: 11/30/2022]
Abstract
BACKGROUND We describe 11 patients with hypertrophic olivary degeneration (HOD) after surgical resection or gamma knife radiosurgery for brainstem cavernous malformations. In addition, we statistically analyzed the predicting factors associated with the development of HOD. METHODS From January 2001 to May 2011, a total of 73 patients (30 in the surgical group and 43 in the radiosurgery group) with brainstem cavernous malformations were treated in our institute. Of them, 11 patients (incidence: 15 %) developed HOD with high signal intensity on T2-weighted MRI during follow-up. The predicting factors (location, size, age, and treatment method) associated with the development of HOD were statistically analyzed. RESULTS Among the 11 HOD patients, seven patients received surgical resection and four patients received gamma knife radiosurgery. Six patients had bilateral HOD and the remaining five patients had unilateral HOD. Overall HOD-associated symptoms presented in four patients, including three palatal tremors and one ataxia. In all four patients with symptoms, these symptoms disappeared incompletely within the clinical follow-up period. The size of the cavernous malformation, age of patient, and treatment methods were not significantly correlated with the development of HOD. A significantly higher incidence of HOD was associated with midbrain cavernous malformations than with pontine or medulla cavernous malformations. CONCLUSIONS HOD should be recognized as a non-infrequent complication of surgical resection or gamma knife radiosurgery within the brainstem, especially for midbrain cavernous malformations. In addition, to the best of our knowledge, this is the first report on HOD development after radiosurgery.
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Affiliation(s)
- Jung-Ho Yun
- Department of Neurological Surgery, Asan Medical Center, University of Ulsan College of Medicine, 388-1, Pungnap-2 dong, Songpa-gu, Seoul, 138-736, South Korea
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Sung YF, Hsu YD, Huang WS. (99m)Tc-TRODAT-1 SPECT study in evaluation of Holmes tremor after thalamic hemorrhage. Ann Nucl Med 2009; 23:605-8. [PMID: 19455387 DOI: 10.1007/s12149-009-0271-3] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2009] [Accepted: 04/15/2009] [Indexed: 12/20/2022]
Abstract
Holmes tremor is also known as rubral or midbrain tremor. The tremor usually involves lesions near the red nucleus and the nerve fiber tracts originating in the cerebellum and the substantia nigra. We report a case of a 62-year-old woman who presented with Holmes tremor 5 months after a left thalamic hemorrhage, with a partial recovery 3 years later. Sequential technetium-(99m)TRODAT-1 single-photon emission computed tomography (SPECT) of the patient's brain revealed partially improved tracer uptake reduction in the striatums, particularly on the left side. We propose that involvement of both the nigrostriatal and the dentate-rubro-thalamic pathways are essential in the pathogenesis of Holmes tremor after a thalamic lesion, and regeneration of the nigrostriatal system is possible in this type of tremor after the initial degeneration. The (99m)Tc-TRODAT-1 SPECT study is a useful and convenient tool for evaluating the nigrostriatal dopamine function in patients with Holmes tremor.
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Affiliation(s)
- Yueh-Feng Sung
- Department of Neurology, Tri-Service General Hospital, No. 325, Section 2, Neihu 114, Taipei, Taiwan,
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Abstract
BACKGROUND Medical treatment is usually ineffective for Holmes' tremor, and surgery is the treatment of choice for many patients. Here we report the case of a 14-year-old girl who developed Holmes' tremor related to a thalamic abscess and was successfully treated with thalamic deep brain stimulation. CASE REPORT The patient presented with left hemiparesis and headache and was hospitalized. Investigation revealed a thalamic abscess in the left cerebral hemisphere. The abscess was drained via stereotactic surgery and a course of antibiotic treatment was completed. Four months after treatment, the patient developed Holmes' tremor in her left upper extremity. When attempts at medical treatment with levodopa, clonazepam, and trihexyphenidyl all failed, an implant was placed and deep brain stimulation of the ventral intermediate nucleus of the thalamus was initiated. During 2.5 years of follow-up, her tremor diminished by 90%. CONCLUSION This case demonstrates that medically resistant Holmes' tremor related to a thalamic lesion can be successfully treated with thalamic deep brain stimulation.
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Kim HJ, Cho YJ, Cho JY, Hong KS, Jeon BS. Choreodystonia in a patient with hypertrophic olivary degeneration after pontine tegmental hemorrhage. Mov Disord 2008; 23:920-2. [PMID: 18311825 DOI: 10.1002/mds.21959] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022] Open
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Hypertrophic olivary degeneration after surgical removal of cavernous malformations of the brain stem: report of four cases and review of the literature. Acta Neurochir (Wien) 2008; 150:149-56; discussion 156. [PMID: 18166990 DOI: 10.1007/s00701-007-1470-0] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2007] [Accepted: 09/11/2007] [Indexed: 10/22/2022]
Abstract
BACKGROUND Hypertrophic olivary degeneration (HOD) is a pathological phenomenon that occurs after injury to the dentato-olivary pathway. Its hallmarks include hypertrophy of the olive with increased T2 signal intensity on magnetic resonance imaging, and it often manifests with palatal tremor and oscillopsia clinically. METHOD We report the cases of four patients who developed delayed HOD after surgical resection of pontine lesions. FINDINGS We discuss the anatomical and pathological details of this disease and review the few other reported cases of HOD after resection of lesions within the brainstem. CONCLUSIONS HOD should be recognized as a possible complication of surgery within the brainstem and must be diagnosed promptly so that patients can be appropriately counseled and symptoms can be treated.
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Akar S, Drappatz J, Hsu L, Blinder RA, Black PM, Kesari S. Hypertrophic olivary degeneration after resection of a cerebellar tumor. J Neurooncol 2008; 87:341-5. [PMID: 18217209 DOI: 10.1007/s11060-008-9523-7] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2007] [Accepted: 01/02/2008] [Indexed: 01/07/2023]
Abstract
We report a case of hypertrophic olivary degeneration due to cerebellar surgery for a low-grade tumor. A 27-year-old female presented with right-sided paresthesias and intermittent leg paresis following a right cerebellar resection of a tumor 2 weeks prior. One month later, her symptoms remained stable while her neurological examination demonstrated slight right hemi-body hypoesthesia and subtle appendicular ataxia in her right upper extremity. An MRI scan revealed a hypertrophied left anterolateral medulla with increased T2 signal and no diffusion abnormality. The T2 hyperintensity and hypertrophy slowly resolved and she clinically improved without further intervention. Hypertrophic olivary degeneration may be mistaken for tumor progression, post-operative vasculopathy or granulation tissue and should be considered in patients undergoing cerebellar surgery.
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Affiliation(s)
- Serra Akar
- Center for Neuro-Oncology, Dana-Farber/Brigham and Women's Cancer Center, SW460, 44 Binney Street, Boston, MA 02115, USA
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Roselli F, Livrea P, Defazio G, Manobianca G, Ardito B, Gentile MA, Pisciotta MN, Rubini G. Holmes' tremor associated to HSV-1 cerebral pedunculitis: a case report. Mov Disord 2007; 22:1204-6. [PMID: 17486642 DOI: 10.1002/mds.21464] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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Cilia R, Righini A, Marotta G, Benti R, Marconi R, Isaias IU, Pezzoli G, Antonini A. Clinical and imaging characterization of a patient with idiopathic progressive ataxia and palatal tremor. Eur J Neurol 2007; 14:944-6. [PMID: 17662021 DOI: 10.1111/j.1468-1331.2007.01796.x] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
We describe clinical and imaging features of a patient with sporadic progressive ataxia and palatal tremor (PAPT) of unknown etiology. There was hypertrophy of bilateral inferior olivary nuclei with hyperintense T2-weighted signal and mild cerebellar atrophy at brain magnetic resonance imaging. 18F-fluoro-2-desoxy-d-glucose positron emission tomography scanning (FDG-PET) showed hypometabolism in the red nucleus, external globus pallidus and precuneus while FP-CIT-SPECT imaging revealed mild and progressive loss of striatal dopaminergic terminals. Our findings suggest that in idiopathic PAPT involvement of the dentato-rubro-olivary pathway occurs along with some dopaminergic dysfunction.
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Affiliation(s)
- R Cilia
- Parkinson Institute, Istituti Clinici di Perfezionamento, Milan, Italy.
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Raina GB, Velez M, Pardal MF, Micheli F. Holmes tremor secondary to brainstem hemorrhage responsive to levodopa: report of 2 cases. Clin Neuropharmacol 2007; 30:95-100. [PMID: 17414941 DOI: 10.1097/01.wnf.0000240957.56939.e6] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
We report 2 patients who presented a brainstem hemorrhage and who, after 1 and 6 months, respectively, developed a 4-Hz postural and resting tremor consistent with Holmes tremor, which severely interfered with the activities of daily living. In both cases, levodopa dramatically improved the tremor. Pharmacological treatment of this condition is usually disappointing, and surgical procedures are commonly required for severe cases. Our patients, together with 13 others gleaned from the literature, suggest that in cases of Holmes tremor secondary to brainstem hemorrhage, levodopa can be a useful treatment, and it should be tested before considering invasive therapies.
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Affiliation(s)
- Gabriela B Raina
- Parkinson's Disease and Movement Disorders Unit, Hospital de Clínicas José de San Martín, Buenos Aires, Argentina
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Walker M, Kim H, Samii A. Holmes-like tremor of the lower extremity following brainstem hemorrhage. Mov Disord 2007; 22:272-4. [PMID: 17149732 DOI: 10.1002/mds.21271] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
Abstract
Holmes tremor is an arrhythmic, 2- to 5-Hz resting, postural, and kinetic upper extremity movement disorder that occurs weeks to months after acute mesencephalic pathology. We present a patient who developed tremor in three body parts postbrainstem hemorrhage with subsequent hypertrophic olivary degeneration and discuss the relevant clinical evolution. Our case is unique because in addition to expected upper extremity and cervical dystonic head tremors, the patient also developed a severe lower extremity movement disorder, which we believe to be a form of Holmes tremor. Tremor involving the lower extremity in this setting has not been previously reported.
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Affiliation(s)
- Melanie Walker
- Department of Neurology, University of Washington School of Medicine, Seattle, Washington, USA
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Kim JS, Park JW, Kim YI, Han SJ, Kim HT, Lee KS. Tremors associated with an inferior olivary lesion that developed after a pontine hemorrhage. Mov Disord 2006; 21:1539-40. [PMID: 16856130 DOI: 10.1002/mds.21042] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
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Fitzek C, Fitzek S, Stoeter P. Bilateral Wallerian degeneration of the medial cerebellar peduncles after ponto-mesencephalic infarction. Eur J Radiol 2005; 49:198-203. [PMID: 14962648 DOI: 10.1016/s0720-048x(03)00132-3] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2003] [Revised: 04/07/2003] [Accepted: 04/09/2003] [Indexed: 12/22/2022]
Abstract
Three patients with acute large paramedian ponto-mesencephalic infarctions developed a bilateral retrograde degeneration of the medial cerebellar peduncles within 4 months after the insult. In an initial magnetic resonance imaging (MRI) within the first 2 weeks, the medial cerebellar peduncles showed normal intensities, but a control MRI after 4 months showed bright hyperintensities in the T2-TSE weighted images, and moderately increased signal intensities in echo planar imaging-diffusion weighted imaging were seen, possibly representing bilateral Wallerian degeneration of the cerebellar-pontine fibers.
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Affiliation(s)
- Clemens Fitzek
- Institute of Neuroradiology, University of Mainz, Mainz, Germany.
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Nikkhah G, Prokop T, Hellwig B, Lücking CH, Ostertag CB. Deep brain stimulation of the nucleus ventralis intermedius for Holmes (rubral) tremor and associated dystonia caused by upper brainstem lesions. Neurosurg Focus 2004. [DOI: 10.3171/foc.2004.17.1.10] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
✓Holmes tremor is caused by structural lesions in the perirubral area of the midbrain. Patients often present with associated symptoms such as dystonia and paresis, which are usually refractory to medical therapy. Here, the authors describe two patients in whom both tremor and associated dystonia improved markedly following unilateral stimulation of the thalamic nucleus ventralis intermedius.
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Piette T, Mescola P, Henriet M, Cornil C, Jacquy J, Vanderkelen B. Approche chirurgicale d’un tremblement de Holmes associé à un tremblement synchrone de haute fréquence. Rev Neurol (Paris) 2004; 160:707-11. [PMID: 15247862 DOI: 10.1016/s0035-3787(04)71023-1] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
INTRODUCTION The effectiveness of thalamic stimulation is now clearly demonstrated for essential tremor, but remains to be demonstrated for other types of tremor. OBSERVATION A young woman presented Holmes' tremor resulting from a pontine tegmental hemorrhage related to an arteriovenous malformation. A surgical approach was considered when major functional impairment persisted at 2-year follow-up despite drug therapy. The patient underwent unilateral thalamic deep brain stimulation (Vim); major improvement persisted at eighteen months follow-up. CONCLUSION This observation is in line with previous reports suggesting that thalamic surgery can be one of the best options for treating medically intractable Holmes' tremor. The mechanism underlying the tremor, implying dentate-rubro-thalamic pathways is discussed. Moreover, the patient exhibited short periods of 16Hz tremor when her arms were maintained outstretched. Thalamic stimulation also appears to be effective for these high-frequency synchronous cerebellar bursts.
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Affiliation(s)
- T Piette
- Service de Neurologie, ISPPC, Charleroi, Belgique.
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Nikkhah G, Prokop T, Hellwig B, Lücking CH, Ostertag CB. Deep brain stimulation of the nucleus ventralis intermedius for Holmes (rubral) tremor and associated dystonia caused by upper brainstem lesions. Report of two cases. J Neurosurg 2004; 100:1079-83. [PMID: 15200125 DOI: 10.3171/jns.2004.100.6.1079] [Citation(s) in RCA: 49] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Holmes tremor is caused by structural lesions in the perirubral area of the midbrain. Patients often present with associated symptoms such as dystonia and paresis, which are usually refractory to medical therapy. Here, the authors describe two patients in whom both tremor and associated dystonia improved markedly following unilateral stimulation of the thalamic nucleus ventralis intermedius.
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Affiliation(s)
- Guido Nikkhah
- Department of Stereotactic and Functional Neurosurgery, Neurocenter, Albert-Ludwigs-University, Freiburg, Germany.
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Romanelli P, Brontë-Stewart H, Courtney T, Heit G. Possible necessity for deep brain stimulation of both the ventralis intermedius and subthalamic nuclei to resolve Holmes tremor. Case report. J Neurosurg 2003; 99:566-71. [PMID: 12959446 DOI: 10.3171/jns.2003.99.3.0566] [Citation(s) in RCA: 59] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Holmes tremor is characterized by resting, postural, and intention tremor. Deep brain stimulation (DBS) of both the nucleus ventralis intermedius (Vim) and the subthalamic nucleus (STN) may be required to control these three tremor components. A 79-year-old man presented with a long-standing combination of resting, postural, and intention tremor, which was associated with severe disability and was resistant to medical treatment. Neuroimaging studies failed to reveal areas of discrete brain damage. A DBS device was placed in the Vim and produced an improvement in both the intention and postural tremor, but there was residual resting tremor, as demonstrated by clinical observation and quantitative tremor analysis. Placement of an additional DBS device in the STN resolved the resting tremor. Stimulation of the Vim or STN alone failed to produce global resolution of mixed tremor, whereas combined Vim-STN stimulation produced global relief without creating noticeable side effects. Combined Vim-STN stimulation can thus be a safe and effective treatment for Holmes tremor.
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Affiliation(s)
- Pantaleo Romanelli
- Department of Neurosurgery, Stanford University Medical Center, Stanford, California 94305-5327, USA
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Abstract
Tremor is a common movement disorder yet many physicians struggle with its terminology as well as with its treatment. Attempts have been made to develop standard terminology and criteria for tremors but this process continues to evolve. In this review, a summary of the currently-proposed phenomenology and syndromic classification of all types of tremor is presented. The diagnosis and management of essential tremor is presented in more detail, as it is the most commonly encountered tremor.
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Affiliation(s)
- D A Grimes
- Parkinson's Disease and Movement Disorders Clinic, The Ottawa Hospital, Ottawa, Canada
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