One case of spinal astrocytoma was diagnosed as ependymoma on crush cytology, while one case each of cerebellopontine angle schwannoma and cerebellar hemangioblastoma were misinterpreted as meningioma and benign mesenchymal tumor, respectively [Table 3].
The former may show bilateral asymmetric renal polycystic lesions, but differs from ADPD by the presence of renal angiomyolipomas, and the involvement of the lungs, skin, and brain; vHL disease on the other hand comprises cerebellar hemangioblastoma, retinal hemangiomas, and, occasionally, pheochromocytomas.
The radiologist indicated that this type of lesion is typical of a cerebellar hemangioblastoma. The lesion was located to the left of the midline, possibly explaining the facial tic and ENG findings.
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