AN INTESTINAL STROMAL TUMOR WITH GIANT CYST FORMATION MISDIAGNOSED ASENDOMETRIOMA

Primary neoplasms of the small intestine are rare, and correct preoper ative diagnosis of these tumors is difficult, An intestinal neoplasm a ppearing as a hemorrhagic cyst may be misdiagnosed as an endometrioma, A case of leiomyoma with giant cyst formation preoperatively misdiagn osed as endometrioma is presented, The histologic examination of the r esected tumor predicted a benign course, It is not common for leiomyom a to appear as a giant hemorrhagic cyst, and reports of such cases are rare in the literature, However, a physician should consider gastroin testinal tuner as a differential diagnosis for hemorrhagic cyst even i f the diagnosis of endometriosis had been made previously, The stromal tumors of the small bowel have an uncertain malignant potential and r equire close follow-up.