Posterior Fossa Hemangioblastoma
S/S of cerebellar HGB are usually those of any p-fossa mass—H/A, N/V, cerebellar findings…; see Posterior fossa tumors — and obstructive hydrocephalus may occur. HGB is rarely documented as a cause of apoplexy due to intracerebral hemorrhage (ICH) (lobar or cerebellar); however, some studies indicate that if cases of ICH are carefully examined, abnormal vessels consistent with HGB (and occasionally misidentified as AVM) may be found with surprising frequency (in spite of negative CT and/or angiography).
see Brainstem Hemangioblastoma