“…1, 5 They can be single or multiple, sporadic, or familial, with the latter seen in association with Von Hippel-Lindau syndrome. 6 This is a familial multisystem disorder characterized by retinal hemangioblastoma and a number of extraneural neoplasms or cysts, including renal cell carcinoma, pheochromocytoma, and cysts of the kidneys, liver, or pancreas. 7 The nature of the interstitial cell population and its neoplastic capacity compared to that of the conventional vascular component in hemangioblastoma have been a subject of debate in the human literature.…”