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Chandra J, Khatibi HR. Acute-Onset Lower Extremity Weakness and Urinary Retention in a Chronically Immunosuppressed Patient: Diagnosis and Management of Herpes Simplex Virus Type 2 Myelitis. Cureus 2024; 16:e55248. [PMID: 38558615 PMCID: PMC10981509 DOI: 10.7759/cureus.55248] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/27/2024] [Indexed: 04/04/2024] Open
Abstract
A 34-year-old immunosuppressed male presented with worsening bilateral lower extremity weakness and urinary retention accompanied by a painless clean-based chancre on his glans penis. Physical examination revealed symmetrically diminished lower extremity weakness most pronounced with hip flexion and knee extension and absent Achilles reflexes. Full MRI spine without contrast was noncontributory. Lumbar puncture showed elevated protein and total nucleated cells with lymphocytic predominance. Both CSF and serum polymerase chain reaction were positive for herpes simplex virus type 2. He received IV methylprednisolone and acyclovir and underwent four months of physical therapy with complete resolution of his neurologic deficits.
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Affiliation(s)
- Jaya Chandra
- Internal Medicine, Mercy Health St. Rita's Medical Center, Lima, USA
| | - Hamid R Khatibi
- Internal Medicine, Mercy Health St. Rita's Medical Center, Lima, USA
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2
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Grasso EA, Pozzilli V, Tomassini V. Transverse myelitis in children and adults. Handb Clin Neurol 2023; 196:101-117. [PMID: 37620065 DOI: 10.1016/b978-0-323-98817-9.00020-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/26/2023]
Abstract
Transverse myelitis is a noncompressive myelopathy of inflammatory origin. The causes are broad, ranging from infective or toxic to immuno-mediated etiology. They can be manifestations of systemic diseases, such as sarcoidosis and systemic lupus erythematous, or phenotypes of neuroinflammation; in a portion of cases, the etiology remains unknown, leading to the designation idiopathic. The clinical presentation of transverse myelitis depends on the level of spinal cord damage and may include sensorimotor deficits and autonomic dysfunction. The age of onset of the disorder can impact the symptoms and outcomes of affected patients, with differences in manifestation and prognosis between children and adults. Spinal cord magnetic resonance imaging and cerebrospinal fluid examination are the main diagnostic tools that can guide clinicians in the diagnostic process, even though the search for antibodies that target the structural components of the neural tissue (anti-aquaporin4 antibodies and anti-myelin-oligodendrocyte antibodies) helps in the distinction among the immune-mediated phenotypes. Management and outcomes depend on the underlying cause, with different probabilities of relapse according to the phenotypes. Hence, immunosuppression is often recommended for the immune-mediated diseases that may have a higher risk of recurrence. Age at onset has implications for the choice of treatment.
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Affiliation(s)
- Eleonora Agata Grasso
- Department of Neurosciences, Imaging and Clinical Sciences, Institute of Advanced Biomedical Technologies (ITAB), University G. d'Annunzio of Chieti-Pescara, Chieti, Italy
| | - Valeria Pozzilli
- Department of Neurosciences, Imaging and Clinical Sciences, Institute of Advanced Biomedical Technologies (ITAB), University G. d'Annunzio of Chieti-Pescara, Chieti, Italy
| | - Valentina Tomassini
- Department of Neurosciences, Imaging and Clinical Sciences, Institute of Advanced Biomedical Technologies (ITAB), University G. d'Annunzio of Chieti-Pescara, Chieti, Italy.
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3
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Bhattacharyya S, Bradshaw MJ. Infections of the Spine and Spinal Cord. Continuum (Minneap Minn) 2021; 27:887-920. [PMID: 34623097 DOI: 10.1212/con.0000000000001031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
PURPOSE OF REVIEW Infections of the spine and spinal cord are associated with a high risk of morbidity and mortality and, therefore, require prompt clinical recognition, efficient diagnostic evaluation, and interdisciplinary treatment. This article reviews the pathophysiology, epidemiology, clinical manifestations, diagnosis, and treatment of infections of the spine and spinal cord to help practicing clinicians recognize, evaluate, and manage patients with such infections. RECENT FINDINGS Aging of the population, increasing use of immunosuppressive medications, and other factors have contributed to increasing rates of spinal infections. Although the most common agents responsible for spinal infections remain bacteria and viruses, fungal infections occur in individuals who are immunocompromised, and parasitic infections are common in endemic regions, but patterns are in evolution with migration and climate change. Recent outbreaks of acute flaccid myelitis in children have been associated with enteroviruses A71 and D68. SUMMARY Infections of the spine and spinal cord can be challenging to diagnose, requiring a thorough history and neurologic examination, laboratory studies of serum and CSF, neuroimaging (particularly MRI), and, in some instances, biopsy, to establish a diagnosis and treatment regimen. Interdisciplinary management including collaboration with experts in internal medicine, infectious disease, and neurosurgery is important to improve clinical outcomes.
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Abstract
PURPOSE OF REVIEW The patient who presents with an acute spinal cord syndrome with weakness/paralysis of the limbs presents a diagnostic. Two important syndromes are acute transverse myelitis (ATM) and acute flaccid paralysis (AFP). Both can be caused by a number of infectious and noninfectious causes. Since 2014 there have been outbreaks of acute flaccid myelitis (a subgroup of AFP) in the United States, with a national surveillance program underway. In addition, there have been increasing reports of ATM from new and emerging pathogens, and opportunistic infections in immunocompromised hosts. RECENT FINDINGS Infectious causes of ATM or AFP need to be ruled out first. There may be important clues to an infectious cause from epidemiologic risk factors, immune status, international travel, MRI, and laboratory findings. We summarize key features for the more common pathogens in this review. Advances in laboratory testing have improved the diagnostic yield from cerebrospinal fluid, including real-time polymerase chain reaction, metagenomic next-generation sequencing, and advanced antibody detection techniques. These tests still have limitations and require clinical correlation. SUMMARY We present a syndromic approach to infectious myelopathies, focusing on clinical patterns that help narrow the diagnostic possibilities.
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Abstract
PURPOSE OF REVIEW Neurologists should be able to identify clinical and neuroimaging features that distinguish vascular disorders from other causes of myelopathy. RECENT FINDINGS Although certain clinical features suggest a vascular etiology in acute and chronic myelopathy settings, accurate MRI interpretation within the clinical context is key. Recent studies have shown vascular myelopathies are frequently misdiagnosed as transverse myelitis, and recognition of this diagnostic pitfall is important. Many different vascular mechanisms can cause myelopathy; this article provides a comprehensive review that simplifies disease categories into arterial ischemia, venous congestion/ischemia, hematomyelia, and extraparenchymal hemorrhage. SUMMARY It is important to recognize and manage vascular disorders of the spinal cord as significant causes of acute, subacute, and progressive myelopathy.
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Le Guennec L. Manifestazioni neurologiche delle infezioni. Neurologia 2020. [DOI: 10.1016/s1634-7072(20)43298-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
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7
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Abati E, Gagliardi D, Velardo D, Meneri M, Conte G, Cinnante C, Bresolin N, Comi G, Corti S. Herpes Simplex virus type 2 myeloradiculitis with a pure motor presentation in a liver transplant recipient. Transpl Infect Dis 2019; 22:e13236. [PMID: 31868290 DOI: 10.1111/tid.13236] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2019] [Revised: 10/31/2019] [Accepted: 12/09/2019] [Indexed: 12/25/2022]
Abstract
In this case report, we describe the first PCR-confirmed case of HSV2 myeloradiculitis with a purely motor presentation, occurring in a 68-year-old liver transplant recipient. The patient reported ascending weakness with no sensory nor sphincteric symptoms, thereby resembling acute demyelinating inflammatory neuropathy, or Guillain-Barré syndrome. HSV2 was detected in cerebrospinal fluid by PCR, and the patient was successfully treated with intravenous Acyclovir.
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Affiliation(s)
- Elena Abati
- Department of Pathophysiology and Transplantation (DEPT), Dino Ferrari Centre, Neuroscience Section, University of Milan, Milan, Italy
| | - Delia Gagliardi
- Department of Pathophysiology and Transplantation (DEPT), Dino Ferrari Centre, Neuroscience Section, University of Milan, Milan, Italy
| | - Daniele Velardo
- Neurology Unit, Foundation IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Megi Meneri
- Neurology Unit, Foundation IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Giorgio Conte
- Neuroradiology Unit, Foundation IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Claudia Cinnante
- Neuroradiology Unit, Foundation IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Nereo Bresolin
- Department of Pathophysiology and Transplantation (DEPT), Dino Ferrari Centre, Neuroscience Section, University of Milan, Milan, Italy.,Neurology Unit, Foundation IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Giacomo Comi
- Department of Pathophysiology and Transplantation (DEPT), Dino Ferrari Centre, Neuroscience Section, University of Milan, Milan, Italy.,Neurology Unit, Foundation IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Stefania Corti
- Department of Pathophysiology and Transplantation (DEPT), Dino Ferrari Centre, Neuroscience Section, University of Milan, Milan, Italy.,Neurology Unit, Foundation IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
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Abstract
Infectious diseases are an important cause of spinal cord dysfunction. Infectious myelopathies are of growing concern given increasing global travel and migration and expanding prevention and treatment with vaccinations, antibiotics, and antiretrovirals. Clinicians must recognize these pathologies because outcomes can dramatically improve with prompt diagnosis and management. We provide a complete review of the most frequent infectious agents that can affect the spinal cord. For each pathogen we describe epidemiology, pathophysiology, anatomic location, characteristic clinical syndromes, diagnostic approach, treatment, and prognosis. The review includes spinal imaging from selected cases.
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Affiliation(s)
- Mayra Montalvo
- Department of Neurology, Brown University, Rhode Island Hospital, 222 Richmond Street, Providence, RI 02903, USA
| | - Tracey A Cho
- Department of Neurology, University of Iowa Hospitals and Clinics, 200 Hawkins Drive, Iowa City, Iowa 52242, USA.
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Abstract
PURPOSE OF REVIEW This article reviews bacterial, viral, fungal, and parasitic pathogens associated with myelopathy. Infectious myelopathies may be due to direct infection or parainfectious autoimmune-mediated mechanisms; this article focuses primarily on the former. RECENT FINDINGS Some microorganisms exhibit neurotropism for the spinal cord (eg, enteroviruses such as poliovirus and flaviviruses such as West Nile virus), while others are more protean in neurologic manifestations (eg, herpesviruses such as varicella-zoster virus), and others are only rarely reported to cause myelopathy (eg, certain fungal and parasitic infections). Individuals who are immunocompromised are at increased risk of disseminated infection to the central nervous system. Within the last few years, an enterovirus D68 outbreak has been associated with cases of acute flaccid paralysis in children, and emerging Zika virus infection has been concurrent with cases of acute flaccid paralysis due to Guillain-Barré syndrome, although cases of myelitis have also been reported. Associated pathogens differ by geographic distribution, with myelopathies related to Borrelia burgdorferi (Lyme disease) and West Nile virus more commonly seen in the United States and parasitic infections encountered more often in Latin America, Southeast Asia, and Africa. Characteristic CSF and MRI patterns have been identified with many of these infections. SUMMARY A myriad of pathogens are associated with infectious myelopathies. Host factors, geographic distribution, clinical features, CSF profiles, and MRI findings can assist in formulating the differential diagnosis and ultimately guide management.
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10
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Abdullah AAN, Tallantyre E. HSV-2 radiculitis: An unusual presentation mere days after genital infection. Clin Neurol Neurosurg 2019; 185:105429. [PMID: 31450189 DOI: 10.1016/j.clineuro.2019.105429] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2018] [Revised: 06/30/2019] [Accepted: 07/08/2019] [Indexed: 10/26/2022]
Affiliation(s)
| | - Emma Tallantyre
- University Hospital of Wales, Heath Park Way, Cardiff, CF14 4XW, United Kingdom.
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11
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Zarei S, Eggert J, Franqui-Dominguez L, Carl Y, Boria F, Stukova M, Avila A, Rubi C, Chinea A. Comprehensive review of neuromyelitis optica and clinical characteristics of neuromyelitis optica patients in Puerto Rico. Surg Neurol Int 2018; 9:242. [PMID: 30603227 PMCID: PMC6293609 DOI: 10.4103/sni.sni_224_18] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2018] [Accepted: 08/21/2018] [Indexed: 12/14/2022] Open
Abstract
Neuromyelitis optica (NMO) is an immune-mediated inflammatory disorder of the central nervous system. It is characterized by concurrent inflammation and demyelination of the optic nerve (optic neuritis [ON]) and the spinal cord (myelitis). Multiple studies show variations in prevalence, clinical, and demographic features of NMO among different populations. In addition, ethnicity and race are known as important factors on disease phenotype and clinical outcomes. There are little data on information about NMO patients in underserved groups, including Puerto Rico (PR). In this research, we will provide a comprehensive overview of all aspects of NMO, including epidemiology, environmental risk factors, genetic factors, molecular mechanism, symptoms, comorbidities and clinical differentiation, diagnosis, treatment, its management, and prognosis. We will also evaluate the demographic features and clinical phenotype of NMO patients in PR. This will provide a better understanding of NMO and establish a basis of knowledge that can be used to improve care. Furthermore, this type of population-based study can distinguish the clinical features variation among NMO patients and will provide insight into the potential mechanisms that cause these variations.
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Affiliation(s)
- Sara Zarei
- San Juan Bautista School of Medicine, Caguas, Puerto Rico, USA
| | - James Eggert
- San Juan Bautista School of Medicine, Caguas, Puerto Rico, USA
| | | | - Yonatan Carl
- San Juan Bautista School of Medicine, Caguas, Puerto Rico, USA
| | - Fernando Boria
- San Juan Bautista School of Medicine, Caguas, Puerto Rico, USA
| | - Marina Stukova
- San Juan Bautista School of Medicine, Caguas, Puerto Rico, USA
| | | | - Cristina Rubi
- Caribbean Neurological Center, Guaynabo, Puerto Rico, USA
| | - Angel Chinea
- Caribbean Neurological Center, Guaynabo, Puerto Rico, USA
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12
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Pohlen MS, Sunwei Lin J, Wang KY, Ghasemi-Rad M, Lincoln CM. Haemorrhagic conversion of infectious myelitis in an immunocompromised patient. BMJ Case Rep 2017; 2017:bcr-2017-221866. [PMID: 29197841 DOI: 10.1136/bcr-2017-221866] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
Abstract
A 28-year-old man recently diagnosed with HIV (CD4 19 cells/mm3, viral load 3.6 million copies/mL, not on highly active antiretroviral therapy on initial diagnosis at outside hospital), disseminated histoplasmosis, shingles and syphilis presented with paraplegia developing over 3 days. Spine MRI demonstrated a longitudinally extensive cord lesion extending from C3 to the tip of the conus. Brain MRI was consistent with meningoencephalitis. Cerebrospinal fluid findings were notable for positive varicella zoster virus (VZV) and cytomegalovirus (CMV) PCRs as well as a Venereal Disease Research Laboratory titre of 1:2. Patient was started on treatment for VZV and CMV meningoencephalitis, neurosyphilis and high-dose steroids for infectious myelitis. Repeat spine MRI demonstrated subacute intramedullary haemorrhage of the cervical cord. He was ultimately discharged to a skilled nursing facility for long-term intravenous antiviral therapy and rehabilitation. After 59 days in the hospital, his neurological exam remained grossly unchanged, with flaccid paraplegia and lack of sensation to fine touch in his lower extremities.
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Affiliation(s)
| | | | - Kevin Yuqi Wang
- Department of Radiology, Baylor College of Medicine, Houston, Texas, USA
| | | | - Christie M Lincoln
- Department of Radiology, Baylor College of Medicine, Houston, Texas, USA
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13
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Abstract
We report the case of a 57 year-old woman who developed transverse myelitis and acute HSV-2 reactivation following influenza vaccination. Over the next 5 years, she experienced a fluctuating course of improvement and regression for both myelitis and herpes.
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Affiliation(s)
- Allan Lieberman
- a Center for Occupational and Environmental Medicine , North Charleston , SC , USA
| | - Luke Curtis
- a Center for Occupational and Environmental Medicine , North Charleston , SC , USA
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14
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Kim SM, Kim SJ, Lee HJ, Kuroda H, Palace J, Fujihara K. Differential diagnosis of neuromyelitis optica spectrum disorders. Ther Adv Neurol Disord 2017; 10:265-289. [PMID: 28670343 PMCID: PMC5476332 DOI: 10.1177/1756285617709723] [Citation(s) in RCA: 60] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2016] [Accepted: 03/31/2017] [Indexed: 12/31/2022] Open
Abstract
Neuromyelitis optica spectrum disorder (NMOSD) is an inflammatory disorder of the central nervous system (CNS) mostly manifesting as optic neuritis and/or myelitis, which are frequently recurrent/bilateral or longitudinally extensive, respectively. As the autoantibody to aquaporin-4 (AQP4-Ab) can mediate the pathogenesis of NMOSD, testing for the AQP4-Ab in serum of patients can play a crucial role in diagnosing NMOSD. Nevertheless, the differential diagnosis of NMOSD in clinical practice is often challenging despite the phenotypical and serological characteristics of the disease because: (1) diverse diseases with autoimmune, vascular, infectious, or neoplastic etiologies can mimic these phenotypes of NMOSD; (2) patients with NMOSD may only have limited clinical manifestations, especially in their early disease stages; (3) test results for AQP4-Ab can be affected by several factors such as assay methods, serologic status, disease stages, or types of treatment; (4) some patients with NMOSD do not have AQP4-Ab; and (5) test results for the AQP4-Ab may not be readily available for the acute management of patients. Despite some similarity in their phenotypes, these NMOSD and NMOSD-mimics are distinct from each other in their pathogenesis, prognosis, and most importantly treatment. Understanding the detailed clinical, serological, radiological, and prognostic differences of these diseases will improve the proper management as well as diagnosis of patients.
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Affiliation(s)
- Sung-Min Kim
- Department of Neurology, Seoul National University Hospital, Seoul, Korea
| | - Seong-Joon Kim
- Department of Ophthalmology, Seoul National University, College of Medicine, Seoul, Korea
| | - Haeng Jin Lee
- Department of Ophthalmology, Seoul National University, College of Medicine, Seoul, Korea
| | - Hiroshi Kuroda
- Department of Neurology, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Jacqueline Palace
- Nuffield Department of Clinical Neurosciences, John Radcliffe Hospital, University of Oxford, Oxford, UK
| | - Kazuo Fujihara
- Department of Neurology, Tohoku University Graduate School of Medicine, Sendai, Japan Department of Multiple Sclerosis Therapeutics, Fukushima Medical University School of Medicine, and MS & NMO Center, Southern TOHOKU Research Institute for Neuroscience (STRINS), Koriyama 963-8563, Japan
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15
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Savoldi F, Kaufmann TJ, Flanagan EP, Toledano M, Weinshenker BG. Elsberg syndrome: A rarely recognized cause of cauda equina syndrome and lower thoracic myelitis. Neurol Neuroimmunol Neuroinflamm 2017; 4:e355. [PMID: 28534040 PMCID: PMC5427668 DOI: 10.1212/nxi.0000000000000355] [Citation(s) in RCA: 46] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/05/2017] [Accepted: 04/05/2017] [Indexed: 12/15/2022]
Abstract
Objective: Elsberg syndrome (ES) is an established but often unrecognized cause of acute lumbosacral radiculitis with myelitis related to recent herpes virus infection. We defined ES, determined its frequency in patients with cauda equina syndrome (CES) with myelitis, and evaluated its clinical, radiologic, and microbiologic features and outcomes. Methods: We searched the Mayo Clinic medical records for ES and subsequently for combinations of index terms to identify patients with suspected CES and myelitis. Results: Our search yielded 30 patients, 2 diagnosed with ES and an additional 28 with clinical or radiologic evidence of CES retrospectively suspected of having ES. We classified patients in 5 groups according to diagnostic certainty. MRI and EMG confirmed that 2 had only myelitis, 5 only radiculitis, and 16 both. Two had preceding sacral herpes infection and 1 oral herpes simplex. Spinal cord lesions were commonly multiple, discontinuous, not expansile, and centrally or ventrally positioned. Lesions generally spared the distal conus. Nerve root enhancement was occasionally prominent and was smooth rather than nodular. Lymphocytic CSF pleocytosis was common. Thirteen patients (43%) had viral isolation studies, which were commonly delayed; the delay may have accounted for the low rate of viral detection. Acyclovir was administered to 6 patients. Most patients recovered with sequelae; 1 patient experienced encephalomyelitis and died. Conclusion: ES is a definable condition likely responsible for 10% of patients with combined CES and myelitis. Radiologic findings are not entirely specific but may help in differentiating ES from some competing diagnostic considerations. We propose criteria to facilitate diagnosis.
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Affiliation(s)
- Filippo Savoldi
- Departments of Neurology (F.S., E.P.F., M.T., B.G.W.), and Neuroradiology (T.J.K.), Mayo Clinic, Rochester, MN; and Neuroimaging Research Unit (F.S.), Department of Neurology, San Raffaele Scientific Institute and University, Milan, Italy
| | - Timothy J Kaufmann
- Departments of Neurology (F.S., E.P.F., M.T., B.G.W.), and Neuroradiology (T.J.K.), Mayo Clinic, Rochester, MN; and Neuroimaging Research Unit (F.S.), Department of Neurology, San Raffaele Scientific Institute and University, Milan, Italy
| | - Eoin P Flanagan
- Departments of Neurology (F.S., E.P.F., M.T., B.G.W.), and Neuroradiology (T.J.K.), Mayo Clinic, Rochester, MN; and Neuroimaging Research Unit (F.S.), Department of Neurology, San Raffaele Scientific Institute and University, Milan, Italy
| | - Michel Toledano
- Departments of Neurology (F.S., E.P.F., M.T., B.G.W.), and Neuroradiology (T.J.K.), Mayo Clinic, Rochester, MN; and Neuroimaging Research Unit (F.S.), Department of Neurology, San Raffaele Scientific Institute and University, Milan, Italy
| | - Brian G Weinshenker
- Departments of Neurology (F.S., E.P.F., M.T., B.G.W.), and Neuroradiology (T.J.K.), Mayo Clinic, Rochester, MN; and Neuroimaging Research Unit (F.S.), Department of Neurology, San Raffaele Scientific Institute and University, Milan, Italy
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16
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Nardone R, Versace V, Brigo F, Tezzon F, Zuccoli G, Pikija S, Hauer L, Sellner J. Herpes Simplex Virus Type 2 Myelitis: Case Report and Review of the Literature. Front Neurol 2017; 8:199. [PMID: 28539913 PMCID: PMC5423910 DOI: 10.3389/fneur.2017.00199] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2017] [Accepted: 04/24/2017] [Indexed: 12/21/2022] Open
Abstract
Non-traumatic myelopathies can result from a wide spectrum of conditions including inflammatory, ischemic, and metabolic disorders. Here, we describe the case of a 60-year old immunocompetent woman who developed acute back pain followed by rapidly ascending flaccid tetraparesis, a C6 sensory level, and sphincter dysfunction within 8 h. Acyclovir and steroids were started on day 2 and herpes simplex virus type 2 (HSV-2) was confirmed by polymerase chain reaction in cerebrospinal fluid. Magnetic resonance imaging revealed a bilateral anterior horn tractopathy expanding from C2 to T2 and cervicothoracic cord swelling. Screening for paraneoplastic antibodies and cancer was negative. Neurophysiology aided in the work-up by corroborating root involvement. Recovery was poor despite early initiation of antiviral treatment, adjuvant anti-inflammatory therapy, and neurorehabilitation efforts. The clinical course, bilateral affection of the anterior horns, and early focal atrophy on follow-up magnetic resonance imaging take a necrotizing myelitis potentially caused by intraneuronal spread of the virus into consideration. Further, we summarize the literature on classical and rare presentations of HSV-2 myeloradiculitis in non-immunocompromised patients and raise awareness for the limited treatment options for a condition with frequent devastating outcome.
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Affiliation(s)
- Raffaele Nardone
- Department of Neurology, Franz Tappeiner Hospital, Merano, Italy.,Department of Neurology, Christian Doppler Medical Center, Paracelsus Medical University, Salzburg, Austria
| | - Viviana Versace
- Department of Neurorehabilitation Ospedale di Vipiteno and Research Department for Neurorehabilitation South Tyrol, Bolzano, Italy
| | - Francesco Brigo
- Department of Neuroscience, Biomedicine and Movement, Section of Clinical Neurology, University of Verona, Verona, Italy
| | - Frediano Tezzon
- Department of Neurology, Franz Tappeiner Hospital, Merano, Italy
| | - Giulio Zuccoli
- Section of Neuroradiology, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Slaven Pikija
- Department of Neurology, Christian Doppler Medical Center, Paracelsus Medical University, Salzburg, Austria
| | - Larissa Hauer
- Department of Psychiatry and Psychotherapy, Christian Doppler Medical Center, Paracelsus Medical University, Salzburg, Austria
| | - Johann Sellner
- Department of Neurology, Christian Doppler Medical Center, Paracelsus Medical University, Salzburg, Austria.,Department of Neurology, Klinikum rechts der Isar, Technische Universität München, München, Germany
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17
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Collongues N, Kremer S, de Sèze J. Mielopatie acute. Neurologia 2017. [DOI: 10.1016/s1634-7072(17)83854-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022] Open
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18
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Wu CY, Riangwiwat T, Nakamoto BK. Hemorrhagic Longitudinally Extensive Transverse Myelitis. Case Rep Neurol Med 2016; 2016:1596864. [PMID: 27847660 DOI: 10.1155/2016/1596864] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2016] [Revised: 10/03/2016] [Accepted: 10/05/2016] [Indexed: 01/08/2023] Open
Abstract
Longitudinally extensive transverse myelitis (LETM) may be associated with viral triggers, including both infections and vaccinations. We present a case of a healthy immunocompetent 33-year-old woman who developed a hemorrhagic LETM 2 weeks after seasonal influenza vaccination. Hemorrhagic LETM has not to our knowledge been reported after influenza vaccination. It may represent a forme fruste variant of acute hemorrhagic leukoencephalitis.
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19
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Figueroa D, Isache C, Sands M, Guzman N. An unusual case of acute transverse myelitis caused by HSV-1 infection. IDCases 2016; 5:29-31. [PMID: 27419072 PMCID: PMC4941118 DOI: 10.1016/j.idcr.2016.05.007] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2016] [Revised: 05/29/2016] [Accepted: 05/31/2016] [Indexed: 11/19/2022] Open
Abstract
Transverse myelitis is a neurological disorder of the spinal cord that can have a variety of etiologies. Herpes simplex virus (HSV) infection has been described as one of the causes, most commonly HSV type 2. We report here a case of an 18 year old male who presented with weakness that started in his upper extremities and rapidly evolved to quadriplegia. Magnetic resonance imaging of spine was consistent with transverse myelitis. HSV type 1 PCR testing on cerebrospinal fluid (CSF) was positive. He was started on acyclovir and steroids, but despite therapy, patient did not recover motor function.
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Köller T, Kurze D, Lange M, Scherdin M, Podbielski A, Warnke P. Implementation and Evaluation of a Fully Automated Multiplex Real-Time PCR Assay on the BD Max Platform to Detect and Differentiate Herpesviridae from Cerebrospinal Fluids. PLoS One 2016; 11:e0153991. [PMID: 27092772 PMCID: PMC4836685 DOI: 10.1371/journal.pone.0153991] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2016] [Accepted: 04/06/2016] [Indexed: 02/04/2023] Open
Abstract
A fully automated multiplex real-time PCR assay--including a sample process control and a plasmid based positive control--for the detection and differentiation of herpes simplex virus 1 (HSV1), herpes simplex virus 2 (HSV2) and varicella-zoster virus (VZV) from cerebrospinal fluids (CSF) was developed on the BD Max platform. Performance was compared to an established accredited multiplex real time PCR protocol utilizing the easyMAG and the LightCycler 480/II, both very common devices in viral molecular diagnostics. For clinical validation, 123 CSF specimens and 40 reference samples from national interlaboratory comparisons were examined with both methods, resulting in 97.6% and 100% concordance for CSF and reference samples, respectively. Utilizing the BD Max platform revealed sensitivities of 173 (CI 95%, 88-258) copies/ml for HSV1, 171 (CI 95%, 148-194) copies/ml for HSV2 and 84 (CI 95%, 5-163) copies/ml for VZV. Cross reactivity could be excluded by checking 25 common viral, bacterial and fungal human pathogens. Workflow analyses displayed shorter test duration as well as remarkable fewer and easier preparation steps with the potential to reduce error rates occurring when manually assessing patient samples. This protocol allows for a fully automated PCR assay on the BD Max platform for the simultaneously detection of herpesviridae from CSF specimens. Singular or multiple infections due to HSV1, HSV2 and VZV can reliably be differentiated with good sensitivities. Control parameters are included within the assay, thereby rendering its suitability for current quality management requirements.
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Affiliation(s)
- Thomas Köller
- Institute of Medical Microbiology, Virology, and Hygiene, Rostock University Hospital, Rostock, Germany
| | - Daniel Kurze
- Institute of Medical Microbiology, Virology, and Hygiene, Rostock University Hospital, Rostock, Germany
| | - Mirjam Lange
- Institute of Medical Microbiology, Virology, and Hygiene, Rostock University Hospital, Rostock, Germany
| | - Martin Scherdin
- Institute of Medical Microbiology, Virology, and Hygiene, Rostock University Hospital, Rostock, Germany
| | - Andreas Podbielski
- Institute of Medical Microbiology, Virology, and Hygiene, Rostock University Hospital, Rostock, Germany
| | - Philipp Warnke
- Institute of Medical Microbiology, Virology, and Hygiene, Rostock University Hospital, Rostock, Germany
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Lynch K, Agarwal P, Paranandi A, Hadley S, Vullaganti M. Extensive VZV Encephalomyelitis without Rash in an Elderly Man. Case Rep Neurol Med 2014; 2014:694750. [PMID: 24864218 DOI: 10.1155/2014/694750] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2014] [Revised: 03/13/2014] [Accepted: 03/27/2014] [Indexed: 11/23/2022] Open
Abstract
Introduction. Varicella zoster virus (VZV) encephalomyelitis with cranial nerve involvement is rare. Characteristically it is preceded by a rash and primarily presents in the immunocompromised. The spectrum of VZV neurologic disease is extensive and it is not uncommon to present without rash. We report the case of an elderly otherwise immunocompetent patient who presented with diverse manifestations of VZV CNS infection all occurring without rash. Case Report. A 78-year-old man presented with 1 week of progressive paraparesis and sensory loss, malaise, and fevers. MRI of the neuraxis demonstrated numerous enhancing lesions: intramedullary, leptomeningeal, pachymeningeal, and cranial nerves. Cerebrospinal fluid (CSF) showed a white blood cell count of 420/μL with elevated protein (385 mg/dL). CSF VZV qualitative PCR was positive and CSF VZV immunofluorescence assay detected IgM antibody, confirming the diagnosis of VZV encephalomyelitis. Clinical and radiological improvement was observed after intravenous acyclovir treatment. Conclusion. This is a rare report of an immunocompetent patient with extensive VZV encephalomyelitis. We highlight the importance of considering this diagnosis even in the absence of the characteristic rash, and the potential risk of premature discontinuation of antiviral therapy once HSV has been excluded. Prompt recognition and treatment can dramatically reduce morbidity and mortality in patients.
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Affiliation(s)
- John Booss
- Departments of Neurology and Laboratory Medicine, Yale University School of Medicine, New Haven, CT and Department of Veterans Affairs Medical Center, VA Connecticut, West Haven, CT, USA
| | - Alex C Tselis
- Department of Neurology, School of Medicine, Wayne State University, Detroit, MI, USA.
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Cantu RM, Steele RW. A boy unable to move his arm. Clin Pediatr (Phila) 2010; 49:293-6. [PMID: 20164075 DOI: 10.1177/0009922809360249] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
An 11-year-old boy presented with inability to move his right arm, back and neck pain, and fever. He had a history of recurrent vesicular rash on his face three times over the past two years. Magnetic resonance imaging (MRI) showed diffuse expansile cervical cord, leading to a diagnosis of transverse myelitis. After 3 days of intravenous solumedrol, the patient was discharged, but returned the following day with a vesicular rash to the right arm, as well as vomiting, malaise and diffuse pruritus.Wright-Giemsa stain of the vesicles revealed herpes group virus and culture was positive for herpes simplex type 1.
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Campdelacreu J, Capurro S, Pumarola T. Varón de 52 años con inestabilidad de la marcha. Med Clin (Barc) 2010; 134:260-7. [DOI: 10.1016/j.medcli.2009.05.041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2009] [Accepted: 05/15/2009] [Indexed: 10/20/2022]
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Abstract
Meningitis and myelitis represent common and very infrequent viral infections of the central nervous system, respectively. The number of cases of viral meningitis that occurs annually exceeds the total number of meningitis cases caused by all other etiologies combined. Focal central nervous system infections, such as occur in the spinal cord with viral myelitis, are much less common and may be confused with noninfectious disorders that cause acute flaccid paralysis. This article reviews some of the important clinical features, epidemiology, diagnostic approaches, and management strategies for patients with aseptic meningitis and viral myelitis. Particular focus is placed on the diseases caused by enteroviruses, which as a group account for most aseptic meningitis cases and many focal infections of the spinal cord.
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Abstract
Herpesviruses are one of the most common groups of pathogens causing central nervous system infections in humans. They mostly cause encephalitis, meningitis, or myelitis in immunocompetent and immunocompromised patients. Children, adults, and the elderly can all be affected. Although contrast-enhanced CT is more widely used for diagnosis, contrast-enhanced MR imaging combined with diffusion-weighted imaging is superior to CT in the detection of early changes and the real extent of the disease, and in assessing prognosis and monitoring response to antiviral treatment. More sophisticated techniques, such as MR spectroscopy and perfusion imaging, can aid in the differential diagnosis of herpesvirus infections from other tumoral, demyelinating, and ischemic processes.
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Affiliation(s)
- Nail Bulakbasi
- Department of Radiology, Gulhane Military Medical Academy and School of Medicine, Etlik, Ankara 06018, Turkey.
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28
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Abstract
Many viral infections of the nervous system cause stereotyped pathologic features and overlapping clinical and imaging features. Neuroimaging usually offers neuroanatomical localization of the pathology, degree of involvement of the nervous system, and response to therapy during follow up in a few instances. Neuroimaging is a useful adjunct for diagnosis.
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Affiliation(s)
- Susarla K Shankar
- Department of Neuropathology, National Institute of Mental Health & Neurosciences, Bangalore 560 029, India.
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Abstract
Forty nine consecutive cases of acute myelopathy were related to the following pathologies: 31 MS, four spinal cord infarction, four parainfectious, one antiphospolipid syndrome and nine of unknown origin. Sensory deficits were most frequent in MS and in myelopathy of unknown origin. In spinal cord infarction motor deficits and sphincter dysfunction were present in all cases. In parainfectious myelopathy sensory-motor deficits and sphincter dysfunction were most frequent. Myelopathy extended over less than two vertebral segments in MS and in myelopathy of unknown origin. Myelopathy extended over more than two vertebral segments in spinal cord infarction and in parainfectious myelopathy. The clinical outcome was good in MS, parainfectious myelopathy and myelopathy of unknown origin, but poor in spinal cord infarction. Our findings suggest that various aetiologies of acute myelopathy may be differentiated on the basis of distinct clinical, MRI, laboratory and outcome data.
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Affiliation(s)
- Dennis A Nowak
- Department of Neurology, Academic Hospital München-Bogenhausen, Technical University of Munich, Munich, Germany.
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Omland LH, Vestergaard BF, Wandall JH. Herpes simplex virus type 2 infections of the central nervous system: A retrospective study of 49 patients. ACTA ACUST UNITED AC 2007; 40:59-62. [PMID: 17852910 DOI: 10.1080/00365540701509881] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
Herpes simplex virus type 2 (HSV-2) infections of the central nervous system (CNS) are rare with meningitis as the most common clinical presentation. We have investigated the clinical spectrum of CNS infections in 49 adult consecutive patients with HSV-2 genome in the cerebrospinal fluid (CSF). HSV-2 in the CSF was determined by polymerase chain reaction (PCR), and patients were diagnosed as encephalitis or meningitis according to predefined clinical criteria by retrospective data information from consecutive clinical journals. The annual crude incidence rate of HSV-2 CNS disease was 0.26 per 100,000. 43 (88%) had meningitis of whom 8 (19%) had recurring lymphocytic meningitis. Six patients (12%) had encephalitis. 11 of 49 patients (22%) had sequelae recorded during follow-up. None died as a result of HSV-2 CNS disease. Thus, the clinical presentation of HSV-2 infection of the CNS is mainly meningitis but encephalitis does occur and neurological sequelae are common. Recurring lymphocytic meningitis is associated with reactivation of HSV-2 and the condition might be underdiagnosed.
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Affiliation(s)
- Lars Haukali Omland
- From the Department of Infectious Diseases M, Copenhagen University Hospital, Copenhagen, Denmark
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Planner AC, Pretorius PM, Graham A, Meagher TM. Subacute progressive ascending myelopathy following spinal cord injury: MRI appearances and clinical presentation. Spinal Cord 2007; 46:140-4. [PMID: 17406377 DOI: 10.1038/sj.sc.3102056] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
STUDY DESIGN Retrospective Case Review. OBJECTIVES To describe the clinical presentation and course of patients with magnetic resonance imaging (MRI) features of subacute progressive ascending myelopathy (SPAM). A rare complication of spinal cord injury. SETTING National Spinal Injuries Centre, Stoke Mandeville Hospital, UK. MATERIALS AND METHODS A retrospective review of the case notes and MRI studies of 11 cases with typical MRI features of ascending myelopathy presenting to a tertiary Spinal Injuries centre over a 15-year period. RESULTS Eleven patients were identified with MRI features typical of SPAM, a median of 13 days (mean 24, range 4-86 days) following cord injury. The median number of cord segments involved above the initial insult was 6 (mean 6.2, range 4-11). MRI appearances include extension four or more segments cephalad to the initial cord injured segment, cord expansion and increased intramedullary T2 signal with a rim of cord sparing peripherally. Cord changes and neurological deficits improved over time but did not return to the initial injured level on MRI. One patient died (mortality 9%). CONCLUSION SPAM is a rare cause of neurological deterioration following spinal cord injury but may remain subclinical. SPAM most commonly presents as neurological deterioration but may present with shoulder pain, respiratory deterioration or remain subclinical. There are characteristic MRI appearances. It can be fatal.
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Affiliation(s)
- A C Planner
- Department of Radiology, John Radcliffe Hospital, Oxford, UK.
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Abstract
Herpesviruses cause various acute, subacute, and chronic disorders of the central (CNS) and peripheral (PNS) nervous systems in adults and children. Both immunocompetent and immunocompromised individuals may be affected. Zoster (shingles), a result of reactivation of varicella zoster virus (VZV), is the most frequent neurologic complication. Other neurological complications include encephalitis produced by type I herpes simplex virus (HSV-1), and less frequently HSV-2, as well as by VZV and cytomegalovirus (CMV). Acute meningitis is seen with VZV and HSV-2, and benign recurrent meningitis with HSV-2. Combinations of meningitis/ encephalitis and myelitis/radiculitis are associated with Epstein Barr Virus (EBV); myelitis with VZV, CMV, EBV, and HSV-2; and ventriculitis/encephalitis with VZV and CMV. Brainstem encephalitis due to HSV and VZV, and polymyeloradiculitis due to CMV are well documented. HHV-6 produces childhood exanthem subitum (roseola) and febrile convulsions. Immunocompetent and immunocompromised hosts manifest different incidences and patterns of herpesvirus infections. For example, stroke due to VZV-mediated large vessel disease (herpes zoster ophthalmicus) occurs predominantly in immunocompetent hosts, while small vessel disease (leukoencephalitis) and ventriculitis develop almost exclusively in immunocompromised patients. EBV-associated primary CNS lymphomas also are restricted to immunosuppressed individuals. Recent large CSF PCR studies have shown that VZV, EBV, and CMV more frequently produce meningitis, encephalitis, or encephalopathy in immunocompetent hosts than was formerly realized. We review herpesvirus infections of the nervous system and illustrate the expanding spectrum of disease by including examples of a 75-year-old male on steroid treatment for chronic lung disease with fatal HSV-2 meningitis and an 81-year-old male with myasthenia gravis, long-term azathioprine use, and an EBV-associated primary CNS lymphoma.
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MESH Headings
- Adolescent
- Adult
- Aged
- Child
- Child, Preschool
- Cytomegalovirus/genetics
- Cytomegalovirus/immunology
- Cytomegalovirus/pathogenicity
- Female
- Herpesviridae Infections/classification
- Herpesviridae Infections/pathology
- Herpesviridae Infections/physiopathology
- Herpesvirus 1, Human/genetics
- Herpesvirus 1, Human/immunology
- Herpesvirus 1, Human/pathogenicity
- Herpesvirus 2, Human/genetics
- Herpesvirus 2, Human/immunology
- Herpesvirus 2, Human/pathogenicity
- Herpesvirus 3, Human/genetics
- Herpesvirus 3, Human/immunology
- Herpesvirus 3, Human/pathogenicity
- Herpesvirus 4, Human/genetics
- Herpesvirus 4, Human/immunology
- Herpesvirus 4, Human/pathogenicity
- Herpesvirus 6, Human/genetics
- Herpesvirus 6, Human/immunology
- Herpesvirus 6, Human/pathogenicity
- Humans
- Infant
- Infant, Newborn
- Male
- Middle Aged
- Nervous System/pathology
- Nervous System/physiopathology
- Nervous System/virology
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Yoritaka A, Ohta K, Kishida S. Herpetic Lumbosacral Radiculoneuropathy in Patients with Human Immunodeficiency Virus Infection. Eur Neurol 2005; 53:179-81. [PMID: 15942245 DOI: 10.1159/000086151] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2004] [Accepted: 04/04/2005] [Indexed: 11/19/2022]
Abstract
We report 4 cases of human immunodeficiency virus infection associated with lumbosacral radicular dysfunction and urinary retention. Three of these cases had the so-called Elsberg syndrome in that their symptoms were associated with genital herpes. In 1 case, different herpes simplex virus types were isolated from the cerebrospinal fluid and genital swabs. Lumbosacral radiculoneuropathy with urinary retention caused by herpes viruses can develop not only with an initial genital herpes infection, but also due to reactivation of a latent herpes virus.
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Affiliation(s)
- Asako Yoritaka
- Department of Neurology, Tokyo Metropolitan Komagome Hospital, Tokyo, Japan.
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Ramirez C, de Seze J, Delalande S, Michelin E, Ferriby D, Al Khedr A, Stojkovic T, Destée A, Vermersch P. [Infectious myelopathies: clinical, serological, and prognostic patterns]. Rev Neurol (Paris) 2005; 160:1048-58. [PMID: 15602347 DOI: 10.1016/s0035-3787(04)71142-x] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
INTRODUCTION Serological confirmation of an infectious acute myelitis injury is difficult to confirm as it is sometimes due to a post-infectious etiology. OBJECTIVES The aim of this study was to define the clinical, biological and prognostic patterns of infectious myelitis. PATIENTS AND METHODS This retrospective study included 153 subjects hospitalized in the department of neurology between 1993 and 2002 for treatment of a noncompressive acute myelopathy. Biological confirmation of recent infection was obtained in 12 patients (8 p. 100). RESULTS An infectious syndrome, beginning prior to the neurological symptoms, was found in 67 percent of patients. The clinical symptoms were severe with loss of sensoromotor and sphincter functions and ascending spinal cord dysfunction (acute transverse myelopathy). Spinal cord MRI showed extended centromedullar high intensity signals with rapid and complete regression. CSF analysis cell count was above 30/mm3 with hyperproteinorachia, in 75 percent and 58 percent of patients respectively. CSF electrophoresis did not detect oligoclonal bands. Clinical outcome was good in all patients except one, however sphincter disorders recovered slowly. DISCUSSION Our study illustrates a stereotypical clinical, biological and prognostic pattern for infectious acute myelitis. These findings contribute significantly to therapeutic decision making and establishing prognosis at the initial phase of acute myelopathy.
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Affiliation(s)
- C Ramirez
- Clinique Neurologique, Hôpital R. Salengro, CHRU, Lille
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35
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Abstract
Hundreds of viruses cause central nervous system (CNS) disease, including meningoencephalitis and postinfectious encephalomyelitis, in humans. The cerebrospinal fluid (CSF) is abnormal in >90% of cases; however, routine CSF studies only rarely lead to identification of a specific etiologic agent. Diagnosis of viral infections of the CNS has been revolutionized by the advent of new molecular diagnostic technologies to amplify viral nucleic acid from CSF, including PCR, nucleic acid sequence-based amplification, and branched-DNA assay. PCR is ideally suited for identifying fastidious organisms that may be difficult or impossible to culture and has been widely applied for detection of both DNA and RNA viruses in CSF. The technique can be performed rapidly and inexpensively and has become an integral component of diagnostic medical practice in the United States and other developed countries. In addition to its use for identification of etiologic agents of CNS disease in the clinical setting, PCR has also been used to quantitate viral load and monitor duration and adequacy of antiviral drug therapy. PCR has also been applied in the research setting to help discriminate active versus postinfectious immune-mediate disease, identify determinants of drug resistance, and investigate the etiology of neurologic disease of uncertain cause. This review discusses general principles of PCR and reverse transcription-PCR, including qualitative, quantitative, and multiplex techniques, with comment on issues of sensitivity, specificity, and positive and negative predictive values. The application of molecular diagnostic methods for diagnosis of specific infectious entities is reviewed in detail, including viruses for which PCR is of proven efficacy and is widely available, viruses for which PCR is less widely available or for which PCR has unproven sensitivity and specificity, and nonviral entities which can mimic viral CNS disease.
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Affiliation(s)
- Roberta L Debiasi
- Department of Pediatrics, Division of Infectious Diseases, University of Colorado Health Sciences Center, Box A036/B055, Denver, CO 80262, USA.
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Abstract
Although subacute ascending paralysis without sensory involvement is typically evocative of Guillain-Barré syndrome, it can alternatively be due to infection or inflammation of the spinal cord. We describe a 16-month-old female who presented with ascending flaccid paresis after an upper respiratory tract infection. She then developed signs of upper motor neuron involvement of the lower limbs associated with upper motor neuron involvement of the upper limbs. Motor nerve conduction and electromyographic studies of upper limbs demonstrated anterior horn cell involvement. Neuroimaging was consistent with cervical myelitis, and cerebrospinal fluid polymerase chain reaction was positive for herpesvirus-1. Although association with the primary infection of the respiratory tract may be fortuitous, possible neurotropic or hematogenous spread of herpesvirus-1 to the cervical spinal cord cannot be excluded. She then developed signs of upper motor neuron involvement of the lower limbs associatred with lower motor neuron involvement of the upper limbs [corrected].
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Affiliation(s)
- Leena D Mewasingh
- Department of Paediatric Neurology, Hôpital Universitaire des Enfants Reine Fabiola, Université Libre de Bruxelles, Brussels, Belgium
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Aurelius E, Forsgren M, Gille E, Sköldenberg B. Neurologic morbidity after herpes simplex virus type 2 meningitis: a retrospective study of 40 patients. Scand J Infect Dis 2002; 34:278-83. [PMID: 12064691 DOI: 10.1080/00365540110080485] [Citation(s) in RCA: 43] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
Abstract
In order to study the long-term course after herpes simplex virus type 2 (HSV-2) meningitis and/or myeloradiculitis the records of 40 consecutive patients were studied. During the year following the acute phase, verified or suspected neurologic recurrences were noted in nearly half of the patients: 1 or more episodes of recurring meningitis were noted in 8 patients; new episodes of myelitis or radiculitis in 3; distinct attacks of headache in 4; and diffuse neurologic complaints impairing daily life in 3. Recurring mucocutaneous symptoms were observed in 16 patients. Eleven patients experienced concurrent or separate episodes of recurring mucocutaneous and neurologic symptoms, 7 had neurologic recurrences only and 5 had only mucocutaneous recurrences. As considerable morbidity may result, patients with HSV-2 meningitis and/or myeloradiculitis should be identified by means of thorough history-taking, careful examination and a specific viral diagnosis in order to enable adequate advice and counseling to be provided and to aid decision-making regarding antiviral therapy.
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Affiliation(s)
- Elisabeth Aurelius
- Division of Medicine, Unit of Infectious Diseases, Karolinska Institute, Karolinska Hospital, Stockholm, Sweden.
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Nakajima H, Kobayashi M, Pollard RB, Suzuki F. A pathogenic role of Th2 responses on the severity of encephalomyelitis induced in mice by herpes simplex virus type 2 infection. J Neuroimmunol 2000; 110:106-13. [PMID: 11024539 DOI: 10.1016/s0165-5728(00)00353-2] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
A pathogenic role of Th2 cells and their cytokine products (IL-4 and IL-10, Th2 cytokines) on the development of herpes simplex myelitis (HSM) was studied in mice exposed to footpad injection of herpes simplex virus type 2 (HSV-2). Morbidity and mortality of mice with HSM (HSM mice) increased when they were treated with a mixture of Th2 cytokines. Additionally, survival rates of HSM mice increased when they were treated with a mixture of mAbs for Th2 cytokines. As compared with HSM mice treated with saline, the growth of HSV-2 in spinal cords of HSM mice treated with the mixture of Th2 cytokines increased. Th2 cells (myelitis-associated Th2 cells, MTh2 cells) were demonstrated among cerebrospinal fluid cells from HSM mice. After the stimulation with HSV-2 antigen (Ag), MTh2 cells from HSM mice previously treated with the mixture of Th2 cytokines produced enhanced amounts of Th2 cytokines into their culture fluids, as compared with the amount of Th2 cytokines produced by MTh2 cells. Th2 cells were also demonstrated in mononuclear cells from spleens of HSM mice. When compared with HSM mice inoculated with splenic CD4(+) T cells from normal mice, morbidity and mortality of HSM mice inoculated with MTh2 cells markedly increased. These results indicated that the severity of HSM induced in mice by footpad injection of HSV-2 was influenced by MTh2 cells or Th2 cytokines released from these MTh2 cells. Th2 responses manifested in mice by HSV-2 infection may act as a pathogenic enhancer of HSM severities.
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Affiliation(s)
- H Nakajima
- Department of Internal Medicine, The University of Texas Medical Branch, 301 University Boulevard, 77555-0835, Galveston, TX 77555-0835, USA
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Abstract
Acute transverse myelitis (ATM) with moderate symptomatology and smaller multiple magnetic resonance imaging lesions is often caused by multiple sclerosis. Severe ATM with extensive magnetic resonance imaging lesions with or without associated meningitis often has a viral cause, particularly in the younger age groups, whereas vascular disorders may prevail among older patients. Previously, one had to rely on indirect evidence such as viral serology or viral identification in throat washings to confirm a diagnosis of myelitis. Thus, mycoplasma myelitis may occur coincident with a mycoplasma pneumonia. Viral myelitis is now often diagnosed by specific polymerase chain reaction of the cerebrospinal fluid, for echovirus, Coxsackie virus, mumps virus, herpes simplex virus or varicella-zoster virus, but an autoimmune component may still be important. An anterior horn syndrome may be produced by the tick-borne encephalomyelitis virus. Severe ATM may also be a postinfectious or postvaccinal disorder [i.e. a partial acute disseminated encephalomyelitis (ADEM)]. Neuromyelitis optica, a combination of severe myelitis and optic neuritis, is often a manifestation of ADEM or systemic lupus erythematosus. Many of these disorders are potentially treatable with specific antiviral agents or immunosuppression. 'Idiopathic' ATM is probably a consequence of inadequate examination and follow up. The differential diagnoses-viral myelitis, multiple sclerosis, ADEM, neuromyelitis optica, spinal arteriovenous malformation and arteritis-should be considered and are usually identified by a rapid diagnostic work-up, leaving few ATM cases undiagnosed.
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Affiliation(s)
- O Andersen
- Department of Clinical Neuroscience, Sahlgrenska University Hospital, Göteborg, Sweden
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