Hepatic, splenic, and gastrointestinal involvement with sarcoidosis.

Sarcoidosis is a multisystem granulomatous disease of unknown cause that primarily affects the lung and lymphatic systems of the body. However, any organ may be affected, including the abdominal organs and gastrointestinal tract. As with other forms of sarcoidosis, abdominal sarcoidosis presents diagnostic, prognostic, and therapeutic dilemmas. This article reviews the various forms of abdominal sarcoidosis, with particular attention given to methods of diagnosis and treatment options.