Category: Brain

Clinical Details: Cerebellopontine angle tumor in a 20-year-old male. Histopathology: Cellular Antoni A area with a fascicular pattern of spindle cells. Cellular spindle area with nuclear palisading and Verocay body. Cells show indistinct cytoplasmic borders with nuclear degenerative changes. Whirling pattern with elongated wavy, buckled nuclei in a fibrillar eosinophilic background. Variable size psammomatous calcifications…

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Pilocytic astrocytoma (WHO Grade I) Histopathology: This lesion is solid looking along with areas of microcystic pattern Loose fibrillary architecture formed by ovoid to elongated cells with thin cytoplasmic hair-like (piloid) processes. Some areas shows rosenthal fibers (pinkish-red, irregular fibers) Few aggregates of eosinophilic granular bodies Points of Pathoclinics: Most important differentials is Low grade…

Continue reading… “Pilocytic astrocytoma” »