cerebrotendinous xanthomatosis cer·e·bro·ten·di·nous xanthomatosis (sěr'ə-brō-těn'də-nəs, sə-rē'brō-)
n.
An inherited disorder associated with the deposition of a form of cholesterol in the brain and other tissues and with elevated levels of cholesterol in plasma but with normal total cholesterol level; it is characterized by progressive cerebellar ataxia beginning after puberty and by juvenile cataracts, and tendinous or tuberous xanthomas.