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Mallikarjun KS, Eldaya RW, Miller-Thomas MM, Orlowski HL, Parsons MS. Good Gone Bad: Complications of Chemotherapy, Immunotherapy, and Radiotherapy on the CNS. Curr Probl Diagn Radiol 2024; 53:133-149. [PMID: 37495483 DOI: 10.1067/j.cpradiol.2023.06.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Revised: 05/24/2023] [Accepted: 06/28/2023] [Indexed: 07/28/2023]
Abstract
With recent advancements in cancer therapy, especially immunotherapy, overall survival of many cancers has increased and patient toxicity has been reduced. However, many complications of traditional cancer therapy are still prevalent and complications of novel therapies are just beginning to appear. The neuroradiologist may be the first to visualize signs of these complications on imaging. This article describes the notable imaging findings of several unique and characteristic complications of CNS cancer therapy, including toxicities of chemotherapies, immunotherapies, and radiotherapy. Complications of chemotherapeutic agents covered include methotrexate-induced and disseminated necrotizing leukoencephalopathy, and chemotherapy-induced myelopathy. Immunotherapy complications included are Tacrolimus-related Optic Neuropathy, Rituximab and Immune reconstitution inflammatory syndrome-associated Progressive Multifocal Leukoencephalopathy, Bevacizumab-associated late radiation-induced neurotoxicity, and Ipilimumab-induced hypophysitis. Lastly, radiation-induced neurotoxicities are covered, including myelopathy, radiation necrosis, cerebral atrophy, leukoencephalopathy, optic neuropathy, mineralizing microangiopathy, stroke-like migraine attacks, osteonecrosis, and vasculopathies. Neuroradiologists will increasingly encounter patients who have undergone treatment with more than 1 therapeutic modality, resulting in overlapping findings as well. Recognition of the common complications of these therapies on imaging is critical to minimizing the effects of these potential short- and long-term complications.
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Hoeltgen L, Tessonnier T, Meixner E, Hoegen P, Kim JY, Deng M, Seidensaal K, Held T, Herfarth K, Debus J, Harrabi S. Proton Therapy for Advanced Juvenile Nasopharyngeal Angiofibroma. Cancers (Basel) 2023; 15:5022. [PMID: 37894389 PMCID: PMC10605854 DOI: 10.3390/cancers15205022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2023] [Revised: 10/12/2023] [Accepted: 10/13/2023] [Indexed: 10/29/2023] Open
Abstract
PURPOSE To provide the first report on proton radiotherapy (PRT) in the management of advanced nasopharyngeal angiofibroma (JNA) and evaluate potential benefits compared to conformal photon therapy (XRT). METHODS We retrospectively reviewed 10 consecutive patients undergoing PRT for advanced JNA in a definitive or postoperative setting with a relative biological effectiveness weighted dose of 45 Gy in 25 fractions between 2012 and 2022 at the Heidelberg Ion Beam Therapy Center. Furthermore, dosimetric comparisons and risk estimations for short- and long-term radiation-induced complications between PRT plans and helical XRT plans were conducted. RESULTS PRT was well tolerated, with only low-grade acute toxicities (CTCAE I-II) being reported. The local control rate was 100% after a median follow-up of 27.0 (interquartile range 13.3-58.0) months. PRT resulted in considerable tumor shrinkage, leading to complete remission in five patients and bearing the potential to provide partial or complete symptom relief. Favorable dosimetric outcomes in critical brain substructures by the use of PRT translated into reduced estimated risks for neurocognitive impairment and radiation-induced CNS malignancies compared to XRT. CONCLUSIONS PRT is an effective treatment option for advanced JNA with minimal acute morbidity and the potential for reduced radiation-induced long-term complications.
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Affiliation(s)
- Line Hoeltgen
- Department of Radiation Oncology, Heidelberg University Hospital, 69120 Heidelberg, Germany (S.H.)
- Heidelberg Ion-Beam Therapy Center (HIT), Department of Radiation Oncology, Heidelberg University Hospital, 69120 Heidelberg, Germany;
- National Center for Tumor Diseases (NCT), Heidelberg University Hospital, 69120 Heidelberg, Germany
| | - Thomas Tessonnier
- Heidelberg Ion-Beam Therapy Center (HIT), Department of Radiation Oncology, Heidelberg University Hospital, 69120 Heidelberg, Germany;
- Clinical Cooperation Unit Radiation Oncology, German Cancer Research Center (DKFZ), 69120 Heidelberg, Germany
| | - Eva Meixner
- Department of Radiation Oncology, Heidelberg University Hospital, 69120 Heidelberg, Germany (S.H.)
- Heidelberg Ion-Beam Therapy Center (HIT), Department of Radiation Oncology, Heidelberg University Hospital, 69120 Heidelberg, Germany;
- National Center for Tumor Diseases (NCT), Heidelberg University Hospital, 69120 Heidelberg, Germany
| | - Philipp Hoegen
- Department of Radiation Oncology, Heidelberg University Hospital, 69120 Heidelberg, Germany (S.H.)
- Heidelberg Ion-Beam Therapy Center (HIT), Department of Radiation Oncology, Heidelberg University Hospital, 69120 Heidelberg, Germany;
- National Center for Tumor Diseases (NCT), Heidelberg University Hospital, 69120 Heidelberg, Germany
- Clinical Cooperation Unit Radiation Oncology, German Cancer Research Center (DKFZ), 69120 Heidelberg, Germany
| | - Ji-Young Kim
- Department of Radiation Oncology, Heidelberg University Hospital, 69120 Heidelberg, Germany (S.H.)
- Heidelberg Ion-Beam Therapy Center (HIT), Department of Radiation Oncology, Heidelberg University Hospital, 69120 Heidelberg, Germany;
- National Center for Tumor Diseases (NCT), Heidelberg University Hospital, 69120 Heidelberg, Germany
| | - Maximilian Deng
- Department of Radiation Oncology, Heidelberg University Hospital, 69120 Heidelberg, Germany (S.H.)
- Heidelberg Ion-Beam Therapy Center (HIT), Department of Radiation Oncology, Heidelberg University Hospital, 69120 Heidelberg, Germany;
- National Center for Tumor Diseases (NCT), Heidelberg University Hospital, 69120 Heidelberg, Germany
| | - Katharina Seidensaal
- Department of Radiation Oncology, Heidelberg University Hospital, 69120 Heidelberg, Germany (S.H.)
- Heidelberg Ion-Beam Therapy Center (HIT), Department of Radiation Oncology, Heidelberg University Hospital, 69120 Heidelberg, Germany;
- National Center for Tumor Diseases (NCT), Heidelberg University Hospital, 69120 Heidelberg, Germany
| | - Thomas Held
- Department of Radiation Oncology, Heidelberg University Hospital, 69120 Heidelberg, Germany (S.H.)
- Heidelberg Ion-Beam Therapy Center (HIT), Department of Radiation Oncology, Heidelberg University Hospital, 69120 Heidelberg, Germany;
- National Center for Tumor Diseases (NCT), Heidelberg University Hospital, 69120 Heidelberg, Germany
| | - Klaus Herfarth
- Department of Radiation Oncology, Heidelberg University Hospital, 69120 Heidelberg, Germany (S.H.)
- Heidelberg Ion-Beam Therapy Center (HIT), Department of Radiation Oncology, Heidelberg University Hospital, 69120 Heidelberg, Germany;
- National Center for Tumor Diseases (NCT), Heidelberg University Hospital, 69120 Heidelberg, Germany
| | - Juergen Debus
- Department of Radiation Oncology, Heidelberg University Hospital, 69120 Heidelberg, Germany (S.H.)
- Heidelberg Ion-Beam Therapy Center (HIT), Department of Radiation Oncology, Heidelberg University Hospital, 69120 Heidelberg, Germany;
- National Center for Tumor Diseases (NCT), Heidelberg University Hospital, 69120 Heidelberg, Germany
- Clinical Cooperation Unit Radiation Oncology, German Cancer Research Center (DKFZ), 69120 Heidelberg, Germany
- Heidelberg Institute of Radiation Oncology (HIRO), 69120 Heidelberg, Germany
- German Cancer Consortium (DKTK), Partner Site, 69120 Heidelberg, Germany
| | - Semi Harrabi
- Department of Radiation Oncology, Heidelberg University Hospital, 69120 Heidelberg, Germany (S.H.)
- Heidelberg Ion-Beam Therapy Center (HIT), Department of Radiation Oncology, Heidelberg University Hospital, 69120 Heidelberg, Germany;
- National Center for Tumor Diseases (NCT), Heidelberg University Hospital, 69120 Heidelberg, Germany
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Guo X, Osouli S, Shahripour RB. Review of Cerebral Radiotherapy-Induced Vasculopathy in Pediatric and Adult Patients. Adv Biol (Weinh) 2023; 7:e2300179. [PMID: 37401794 DOI: 10.1002/adbi.202300179] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2023] [Revised: 06/04/2023] [Indexed: 07/05/2023]
Abstract
Radiation therapy (RT) causes radiation-induced vasculopathy, which requires clinicians to identify and manage this side effect in pediatric and adult patients. This article reviews previous findings about the pathophysiology of RT-induced vascular injury, including endothelial cell injury, oxidative stress, inflammatory cytokines, angiogenic pathways, and remodeling. The vasculopathy is categorized into ischemic vasculopathy, hemorrhagic vasculopathy, carotid artery injury, and other malformations (cavernous malformations and aneurysms) in populations of pediatric and adult patients separately. The prevention and management of this RT-induced side effect are also discussed. The article summarizes the distribution and risk factors of different types of RT-induced vasculopathy. This will help clinicians identify high-risk patients with corresponding vasculopathy subtypes to deduce prevention and treatment strategies accordingly.
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Affiliation(s)
- Xiaofan Guo
- Department of Neurology, Loma Linda University, Loma Linda, CA, 92354, USA
| | - Sima Osouli
- Department of Neurology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, 1516745811, Iran
| | - Reza Bavarsad Shahripour
- Department of Neurology, Loma Linda University, Loma Linda, CA, 92354, USA
- Comprehensive Stroke Center, Department of Neurology, University of California San Diego, San Diego, CA, 92103, USA
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Snyder EJ, Sarma A, Poussaint TY, Krishnasarma R, Pruthi S. Complications of Cancer Therapy in Children: A Comprehensive Review of Neuroimaging Findings. J Comput Assist Tomogr 2023; 47:820-832. [PMID: 37707414 DOI: 10.1097/rct.0000000000001481] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
ABSTRACT Complications of cancer therapy in children can result in a spectrum of neurologic toxicities that may occur at the initiation of therapy or months to years after treatment. Although childhood cancer remains rare, increasing survival rates mean that more children will be living longer after cancer treatment. Therefore, complications of cancer therapy will most likely occur with increasing frequency.At times, it is very difficult to differentiate between therapeutic complications and other entities such as tumor recurrence, development of secondary malignancy, and infection (among other conditions). Radiologists often play a key role in the diagnosis and evaluation of pediatric patients with malignancies, and thus, awareness of imaging findings of cancer complications and alternative diagnoses is essential in guiding management and avoiding misdiagnosis. The aim of this review article is to illustrate the typical neuroimaging findings of cancer therapy-related toxicities, including both early and late treatment effects, highlighting pearls that may aid in making the appropriate diagnosis.
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Affiliation(s)
- Elizabeth J Snyder
- From the Department of Radiology, Vanderbilt University Medical Center, Monroe Carell Jr. Children's Hospital at Vanderbilt, Nashville, TN
| | - Asha Sarma
- From the Department of Radiology, Vanderbilt University Medical Center, Monroe Carell Jr. Children's Hospital at Vanderbilt, Nashville, TN
| | | | - Rekha Krishnasarma
- From the Department of Radiology, Vanderbilt University Medical Center, Monroe Carell Jr. Children's Hospital at Vanderbilt, Nashville, TN
| | - Sumit Pruthi
- From the Department of Radiology, Vanderbilt University Medical Center, Monroe Carell Jr. Children's Hospital at Vanderbilt, Nashville, TN
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Reith W, Yilmaz U. [Secondary tumors following radiation therapy and chemotherapy : Incidence of cavernous hemangiomas]. RADIOLOGIE (HEIDELBERG, GERMANY) 2023:10.1007/s00117-023-01170-3. [PMID: 37432425 DOI: 10.1007/s00117-023-01170-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Accepted: 06/01/2023] [Indexed: 07/12/2023]
Abstract
PROBLEM There is a risk of developing secondary central nervous system (CNS) tumors after cranial radiation therapy. Meningiomas and pituitary tumors are also increasingly treated with radiation therapy, which means that the risk of secondary tumors from radiation in children and adults must be communicated. METHODS Studies in children show that radiation causes a 7- to 10-fold increase in subsequent CNS tumors with a cumulative incidence over 20 years ranging from 1.03 to 28.9. The latency period for the occurrence of secondary tumors ranged from 5.5 to 30 years, with gliomas developing after 5-10 years and meningiomas around 15 years after irradiation. The latency period for secondary CNS tumors in adults ranged from 5 to 34 years. CONCLUSION After radiation treatment, tumors can rarely occur as secondary sequelae, mostly meningiomas and gliomas, but also cavernomas. The treatment and long-term results of radiation-induced CNS tumors showed no worse results than primary CNS tumors over the course of time.
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Affiliation(s)
- Wolfgang Reith
- Klinik für Diagnostische und Interventionelle Neuroradiologie, Universitätsklinikum des Saarlandes, Kirrberger Str., 66424, Homburg-Saar, Deutschland.
| | - Umut Yilmaz
- Klinik für Diagnostische und Interventionelle Neuroradiologie, Universitätsklinikum des Saarlandes, Kirrberger Str., 66424, Homburg-Saar, Deutschland
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Abstract
Radiation therapy is widely used for benign and malignant brain tumours as it is effective and well tolerated. However, damage to the surrounding healthy nervous system tissue leads to a variety of complications both in the short term and long term, ranging from mild and self-limiting to irreversible and fatal. Radiation neurotoxicity is due to a combination of early inflammation and oligodendroglial damage followed later by brain tissue necrosis, white matter damage, accelerated vascular disease and the development of secondary tumours. This article explains the basic principles of radiation physics, the different modalities used in clinical practice, how radiotherapy is planned and delivered and the scientific basis of radiation damage. The main body of the article focuses on the clinical features of radiation toxicity in the brain, spinal cord, cranial and peripheral nerves with an emphasis on the distinction between early and delayed complications.
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Affiliation(s)
- Michael Kosmin
- Clinical Oncology, University College London Hospitals NHS Foundation Trust, London, UK.,NIHR University College London Hospitals Biomedical Research Centre, London, UK
| | - Jeremy Rees
- Neurology, National Hospital for Neurology and Neurosurgery, London, UK .,National Hospital for Neurology and Neurosurgery, London, UK
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