A Case of Lesser Omental Cyst

Nobuyuki Uchida^{1), 2)}, Yasuhiro Yanagita²⁾, Kazuo Arai²⁾, Yuichi Shoda²⁾, Yukio Nagamachi¹⁾

¹⁾First Department of Surgery, Gunma University School of Medicine
²⁾Sinmaebashi Hospital

The patient was a 53-year-old man who visited the hospital with the complaint of upper abdominal pain. Ultrasonography, computed tomography and magnetic resonance imaging revealed a unilocular cystic tumor which was 10.0×5.5 cm in size and accompanied by calcification. It was situated among the liver, the stomach and the pancreas. Under a diagnosis of cyst of the lesser omentum or the liver, laparotomy was performed. The cystic tumor was located only in the lesser omentum and was not connected with the other organs. Fenestration was performed. Histologically, the diagnosis of lymphangioma was established. A lesser omental cyst is very rare, only 27 cases have been reported in the Japanese literature.

Key words
lesser omental cyst, lymphangioma of the lesser omentum

Reprint requests
Nobuyuki Uchida First Department of Surgery, Gunma University School of Medicine
3-39-22 Shouwa-machi, Maebashi-city, 371 JAPAN

Accepted
April 5, 1995

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