Megacolon, Toxic

**Definition:** An acute form of MEGACOLON, severe pathological dilatation of the COLON. It is associated with clinical conditions such as ULCERATIVE COLITIS; CROHN DISEASE; AMEBIC DYSENTERY; or CLOSTRIDIUM ENTEROCOLITIS.

**Tree numbers:** - C06.405.469.158.701.591

**Synonyms:** - Toxic Megacolon