Xanthogranulomatous appendicitis causing an endometrial abscess: radiological findings.

Xanthogranulomatous inflammation (XGI) is a rare chronic inflammatory condition most commonly involving the kidneys and gallbladder. The condition is histopathologically characterized by the presence of foamy histiocytes, lymphocytes, and plasma cells. A few reports describing appendicitis caused by XGI have appeared in the English-language literature.