An Adult Case of Mesenteric Cyst which Consisted of a True Cyst and a Pseudocyst

Hiroki Akamatsu, Kuniya Nakajima, Yasuo Matsuda, Masahiro Fujikawa, Syunichi Ito, Yoichi Kume, Toyohiro Izukura

Department of Surgery, Otemae Hospital

Mesenteric cysts are uncommon. An adult case of mesenteric cyst is presented. The patient was a 2l-year-old woman, who was admitted complaining of lower abdominal pain and abdominal distension, under suspician of an ovarian cyst. Since abdominal pain and abdominal distension abruptly became severe a week after admission, an emergency operation was performed. The origin of the cyst was the mesentery of the transverse colon. Since adhesion between the cyst and the transverse coln was very tight, partial resection of the colon was necessary. Histologically the cyst consisted of two parts, enteric cyst and pseudocyst without epithelium. The preoperative diagnosis of mesenteric cyst is difficult because of its rarity and lack of specific symptoms. It is important to differentiate it from cysts of the ovary, the urinary system, the liver or the pancreas on diagnosis. As a surgical treatment, excision of the cyst is satisfactory, but sometimes tight adhesion between the cyst and the adjacent bowel necessitates resection of the bowel.

Key words
mesenteric cyst, enteric cyst, pseudocyst

Reprint requests
Hiroki Akamatsu Department of Surgery, Ashiya City Hospital
39-l Asahigaoka-cho, Ashiya, 659 JAPAN

Accepted
June 13, 1990

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