Per this study, evidence for the expression of hemangioblast proteins in different types of VHL-associated tumors is provided, including cerebellar and spinal hemangioblastomas, clear cell renal cell carcinomas, pheochromocytomas, pancreatic neuroendocrine tumors, and paragangliomas. The gene discussed is VHL; the disease is hereditary pheochromocytoma-paraganglioma.