label: Dysplastic Cerebellar Gangliocytoma
label_lc: dysplastic cerebellar gangliocytoma
description: "A benign, WHO grade I cerebellar mass, which occurs in young adults and is composed of dysplastic ganglion cells.  It is the major CNS manifestation of Cowden disease, an autosomal dominant condition that causes a variety of hamartomas and neoplasms."