MRI brain with contrast shows an avid discoid enhancing intra axial left cerebellar tumor nodule with marked peri lesional odema. No cystic or necrotic component. An adjacent tortuous vessel noted implying its vascular supply. No bleed or calcification. No restricted diffusion on Dw images.
Histopathology Report
Gross appearance : soft to friable dull gray tan tissue, cut section was dark browh with hemorrhagic appearance.
Microscopy: modedrately vascular neoplasm, partially surrounded by pilocystic gliosis. Neoplasm consist of both cellular and reticular areas comprising of numerus proliferating vascular channels of varying caliber, majority of them being congested with few appearing ecstatic. The interstitium shows scattered round to oval cells having modestly hyper chromatin nuclei with coarse chromatin and abundant eosinophilic to vacuolated cytoplasm. These cells have indistinct cytoplasmic margins. No atypical mitosis nor tumor necrosis seen.
Final Diagnosis:
Hemangioblastoma.
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