Epidermoid cyst of central nervous system: A case series and review of literature
Abstract
Introduction Epidermoid cysts, originating from ectodermal cell remnants during embryogenesis, are rare, slow-growing tumours commonly found in the cerebellopontine angle, fourth ventricle, and sellar/parasellar regions. This retrospective study explores clinicopathological features, demographics, and radiological details of fifteen central nervous system epidermoid cyst cases over three years. Materials and methods Histologically confirmed cases undergoing surgical excision from July 2020 to July 2023 were retrospectively evaluated. Patient age, clinical presentations, radiological features, and histopathological findings were analyzed using descriptive statistics and aligned with the PROCESS criteria. Results Fifteen cases, spanning various age groups and clinical presentations, were included. There were four cases each in the posterior fossa and cerebellopontine angle, three in temporal region, two in intraspinal region, and one each in the retromastoid intra-diploic and third intra-ventricular region. Lesions exhibited diverse distribution, gross findings, and microscopic features. Radiological imaging exhibited well-defined hypo-attenuated masses on computed tomography and contributed to the preoperative diagnosis in eight cases. Despite challenges in complete excision due to adherence, 13 cases underwent successful resection. Chemical meningitis, a common postoperative complication, underscores the importance of meticulous surgery. Conclusion This study highlights…
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