A Case of Inflammatory Pseudotumor of the Spleen

Isao Saitoh, Kenichi Watanabe, Shusaku Takahashi, Shigehito Yoneyama, Tsuyoshi Fukushima, Shirou Nakano, Michiaki Matsushita*, Junichi Uchino*

Department of Surgery, Fukagawa Municipal General Hospital
*First Department of Surgery, Hokkaido University School of Medicine

A case of inflammatory pseudotumor of the spleen is reported. During observation of the course of cerebral infarction at the Department of Medicine, Fukagawa Municipal General Hospital, a 69-year-old male patient was found to have high levels of serum and urine amylase. Abdominal examinations by ultrasonography, computed tomography, magnetic resonance imaging, scintigraphy and angiography showed a hypovascular spherical mass with a diameter of 39 mm at the hilus of the spleen. Under a preoperative diagnosis of benign tumor such as hemangioma or hamartoma and with some possibility of a malignant tumor, splenectomy was performed on March 25, 1994. Macroscopically, the tumor (3.8×3.5 cm) was white and nodular, with surrounding capsule. The tumor was diagnosed histologically as a plasma cell granuloma type of inflammatory pseudotumor. The patient was discharged from the hospital in good condition on Arpil 20, 1994.

Key words
inflammatory pseudotumor, splenic tumor

Reprint requests
Isao Saitoh Department of Surgery, Fukagawa Municipal Hospital
5-6-10 Fukagawacity, Hokkaido, 074 JAPAN

Accepted
September 13, 1995

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