Background: Meningioangiomatosis is an extremely rare meningovascular disease of the central nervous system that is characterized by the proliferation of leptomeninges, cortical vessels, and perivascular spindled cells. Although it is a benign, neoplastic disorder that carries a good prognosis after surgical excision, initial diagnosis may be challenging as radiologic findings are often variable and nonspecific.
Case Description: In this report, we describe an unusual presentation of meningioangiomatosis presenting as a symptomatic middle cranial fossa arachnoid cyst.
We report the neuroimaging findings of a 4-year-old girl with biopsy-proven bilateral thalamic and right fronto-temporo-parietal cortical gliomas, which are uncommon tumours involving the central nervous system. Despite their benignity, the prognosis is usually poor because of involvement of the thalamic nuclei and difficulty in surgical excision. These lesions have limited differential diagnoses that include metabolic, toxic, infective, vascular and neoplastic.
View Article and Find Full Text PDFSupratentorial primitive neuroectodermal tumors (SPNETs) and medulloblastomas (MBs) are histologically similar intracranial tumors found in different anatomic locations of the brain. Our group has previously demonstrated that loss of chromosome 8p is a frequent event in MBs. The aim of this study was to evaluate whether DLC-1, a newly identified tumor-suppressor gene on chromosome 8p22, is involved in the tumorigenesis of MBs and the histologically similar SPNETs.
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