Case report of comorbid alcohol-induced psychotic disorder and Madelung's disease.

Madelung's disease, also known as benign symmetric lipomatosis (BSL), multiple symmetric lipomatosis (MSL), fatty neck syndrome or Launois-Bensaude syndrome, is a rare disease characterized by the presence of multiple, symmetric, loose adipose tissues distributed around the neck, occipitalis, shoulder, back or chest. The fat masses are non-encapsulated and therefore can move freely between adjacent areas. This disease is most commonly seen among middle-aged Caucasian men of Mediterranean origins; it is rarely reported in Asia. Among individuals with Madelung's syndrome, 60 to 90% have a history of chronic alcohol abuse. We report a case of a 51-year-old Chinese man with a history of alcohol use disorder who had fat masses in his neck which gradually enlarged over a period of three years. Based on the case history and the results of physical examination, neck CT and other routine tests, he was diagnosed with Madelung's syndrome.