抄録
The patient is a 54-year-old male who had epigastric disconfort with the duration of 3 months. Upper GI series and endoscopic examination revealed submucosal tumor with 3cm in diameter on the posterior wall of antrum. EUS revealed the main location of the tumor is proper muscle layer. Distal gastrectomy was performed and he dicharged 14 POD uneventfully. The final pathological diagnosis was malignant lymphoma (follicular medium-sized cell type) without lymph node metastasis.
Primary malignant lymphoma (ML) of GI tract comprises 1 to 2% of all malignancy is GI tract. The operative procedure commonly selected for ML of the stomach is principally the same as the procedure for cancer. On the other hand, leiomyosarcoma which is common in submucosal tumor can be treated with local resection. Submucosal tumor of the stomach should be treated considerably with proper method based on preoperative and intraoperative histological diagnosis.
