Dr. Carrie Chui (Neurology): A 79-year-old man was admitted to this hospital because of involuntary movements on the left side and transient unresponsiveness. The patient had been in his usual state ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. In patients with Lesch-Nyhan syndrome, the HPRT1 enzyme doesn't work properly due to mutations in ...

Shaky hands, trembling arms, and uncontrollable movements—these symptoms tend to often trigger and suspicion of Parkinson's disease. But while Parkinson's is a recognized neurodegenerative disorder, ...

Just days after an upbeat R&D event, Neurocrine Biosciences has found itself having to report a phase 3 failure. The company’s Ingrezza (valbenazine), approved to treat certain uncontrolled movement ...

The case description for a Case Records of the Massachusetts General Hospital appears below. What is the diagnosis? Cast your vote. The correct diagnosis, along with the full description of the case ...