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 Discussion of Hemangioblastoma
- Hemangioblastomas are benign vascular tumors representing 2% of primary tumors of the CNS.
- They are most frequently seen in patients between 35 and 45 years of age.
- Hemangioblastomas are usually isolated tumors but they can also be associated with von Hippel–Lindau disease.
- Hemangioblastomas in von Hippel–Lindau disease occur in younger patients and have a worse prognosis than do sporadic hemangioblastomas.
- Hemangioblastomas most frequently affect the cerebellum, followed by the spinal cord and the brainstem.
 Imaging Findings for Hemangioblastoma
- Cerebral hemangioblastomas are commonly seen at MR imaging as cystic lesion with a solid enhancing mural nodule. The solid nodule give low signal on diffusion weighted imaging (DWI) with resultant increase in the apparent diffusion coefficient (ADC).
 See Also
 External Links
 References for Hemangioblastoma
- Sahar N. Saleem, Ahmed-Hesham M. Said, and Donald H. Lee. Lesions of the Hypothalamus: MR Imaging Diagnostic Features. RadioGraphics 2007 27: 1087-1108.