Lithobezoar and Phytobezoar Causing Intestinal Obstruction: A Report of Two Cases.

Concretion or mass formed of exogenous undigested material in the gastrointestinal tract is called bezoar. Bezoar is a rare condition and can present with clinical features ranging from recurrent abdominal pain to acute presentation with obstruction or gastrointestinal bleeding. Preoperative diagnosis is usually done by imaging studies.