小児巨大腸間膜脂肪腫の1例

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3 years old boy, with a huge mesenteric lipoma is reported. He was well developed and nourished boy with chief complaint of abnominal mass. A smooth surface, elastic soft, movable rounded mass was palpated in the abdomen. His labolatory examination and special tumor markers examination showed no abnormalities. Small intestine was shifted right upper side of abdomen in the abdominal plain film. DIP showed no abnormal findings. Echogram showed a huge mass with homogenous density. CT scan showed an encapsulated, soft tissue density mass in the abdomen, which density was as same as that of fatty tissue. At laparotomy, a huge fatty tumor was found on the 150 cm anal site of mesojejunum from the ligament of treitz. The tumor was well defined and not adhered to the surrounding tissues, and was removed without intestinal resection. The resected tumor showed a smooth, capsulated, elastic soft mass, measuring 23×21×13 cms in size, l,073gms in weight. Histological examination showed a benign mesenteric lipoma. The postoperative course was uneventfull. Mesenteric lipoma is rare. In 1963, Nomura, et al. reported 236 cases of mesenteric tumor in Japan, and found only 5 lipomas. Since then, only scattered case reports have been published in Japan. Mesenteric tumors have been divided into solid and cystic varieties. The mesenteric cysts are all benign. The solid tumors are usually malignant sarcoma. Surgical excision in the treatment of choice, since mesentric lipomas of considerable size may undergo malignant development.
日本小児外科学会の論文
1985-05-20

小児巨大腸間膜脂肪腫の1例

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