Fourth ventricle tumor differential diagnosis
see also Posterior fossa tumor differential diagnosis
Fourth ventricle tumor are more frequent in the pediatric population and the most common are medulloblastoma, and Fourth ventricle ependymoma; in adults, the most frequent are Fourth ventricle hemangioblastoma, Fourth ventricle subependymoma. Many of these lesions have a similar pattern in terms of density or intensity and enhancement, therefore, one should try to obtain a differential diagnosis as accurately as possible, using clinical and demographic data and imaging findings.
Medulloblastoma
Fourth ventricle ependymoma
Fourth ventricle subependymoma
Fourth ventricle hemangioblastoma
Fourth ventricle choroid plexus papilloma
Fourth ventricle meningioma
Fourth ventricle cysticercosis
Fourth ventricle pilocytic astrocytoma
Sandberg DI, Souweidane MM. Hemifacial spasm caused by a pilocytic astrocytoma of the fourth ventricle. Pediatr Neurol. 1999 Oct;21(4):754-6. doi: 10.1016/s0887-8994(99)00077-6. PMID: 10580892.
Fourth ventricle lymphoma
Fourth ventricle lymphoma should be listed in the differential diagnosis of fourth ventricle tumors with well-circumscribed margins and homogenous contrast enhancement 1) 2) 3).