A Case of Lymphangioma of the Lesser Omentum

Masafumi Shiotani, Yonson Ku, Yoshi Nagahata

First Department of Surgery, Kobe University School of Medicine (Professor: Yoichi Saitoh)

We experienced a case of lymphangioma of the lesser omentum. The patient was a 56-year-old woman who visited the hospital with a complaint of upper abdominal discomfort. Based on the preoperative diagnosis of cyst in the bursa omentalis obtained by imaging techniques including abdominal ultrasonography, CT and MRI, surgery was performed. since a multilocular tumor was found mainly in the lesser omentum, we considered the tumor was of lesser omentum origin. The tumor was 12.0×5.0×3.4 cm in size, 150 g in weight, and had a smooth, dark red surface. Histopathological examination confirmed a diagnosis of lymphangioma. Lymphangioma of the lesser omentum is a relatively rare disease, and to date only 25 cases have been reported, in the Japanese literature, excluding the present case. In this paper, we reviewed the reported cases of lymphangioma of the lesser omentum in Japan, with special reference to the diagnostic and therapeutic aspects.

Key words
lymphangioma of the lesser omentum

Reprint requests
Yonson Ku First Department of Surgery, Kobe University School of Medicine
7-5-2 Kusunoki-cho, Chuo-ku, Kobe, 650 JAPAN

Accepted
September 8, 1993

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