Orthostatic hypotension from a cerebellar gangliocytoma (Lhermitte-Duclos disease)

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Abstract
A 49-year-old woman presented with orthostatic hypotension. Vertebral angiography and ventriculography revealed a tumor of the left cerebellar hemisphere. Ventriculoperitoneal shunting was followed by complete disappearance of the orthostatic hypotension. The tumor was subsequently removed and microscopic study showed Lhermitte-Duclos disease. Orthostatic hypotension has been rarely reported in association with tumors of the posterior fossa except for those tumors destroying the medullary centers and interrupting the baroreceptor reflex arc. This case is of interest because the tumor was restricted to the cerebellum. The authors have found no previous case in which orthostatic hypotension was a presenting symptom of Lhermitte-Duclos disease.