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Journal of Medical Ultrasonics

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1993 - Vol.20

Vol.20 No.12

Case Report(症例報告)

(0749 - 0755)

脾臓原発, 限局性の悪性リンパ腫の1例

A Case of Primary Malignant Lymphoma of the Spleen

箱崎 幸也1, 白浜 龍興1, 山口 研成1, 林 建男2, 駒形 良博3, 松井 治生3, 大和 悟3

Yukiya HAKOZAKI1, Tatsuoki SHIRAHAMA1, Kensei YAMAGUCHI1, Tateo HAYASHI2, Yoshihiro KOMAGATA3, Haruo MATSUI3, Satoru YAMATO3

1自衛隊中央病院内科, 2自衛隊中央病院放射線科, 3自衛隊中央病院検査課

1Department of Internal Medicine, 2Department of Radiology, 3Department of Clinical Laboratory

キーワード : Malignant Lymphoma, Spleen, Ultrasonography

Primary malignant lymphoma of the spleen is a rare disorder. Only 10 previously reported cases with truly localized primary splenic lymphoma have been found in the Japanese literature. A 52-year-old man was admitted on August 1990 because of periodic physical check. A physical examination revealed no splenomegaly or systemic lymph-adenopathy. Laboratory data on admission showed slight hypersplenism. An abdominal ultrasonography revealed splenomegaly and multiple hypoechoic space-occupying lesions measuring up to 2.0 cm. The results of an ultrasound sonogram, computed tomography, 67Ga scintigram and angiography suggested splenic malignant lymphoma or hamartoma. A splenectomy was performed on January 1991. The obtained histological specimen revealed a malignant lymphoma (follicular type, mediumsized, B-cell type). 27 months after the splenectomy, a physical examination and image diagnosis revealed that there was no recurrence of the malignant lymphoma, and the case was diagnosed as one involving a truly localized primary malignant lymphoma of the spleen.