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英文誌(2004-)

Journal of Medical Ultrasonics

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1994 - Vol.21

Vol.21 No.11

Original Article(原著)

(0713 - 0722)

悪性リンパ腫における限局性牌病変の検討 −超音波像と病理組織型の関連および治療反応性について−

Ultrasonogram Study of Focal Splenic Lesions in Malignant Lymphoma in Comparison with Histopathology and Chemotherapeutic Response

川井 夫規子, 谷口 信行, 中村 みちる, 伊東 紘一

Fukiko KAWAI, Nobuyuki TANIGUCHI, Michiru NAKAMURA, Kouichi ITOH

自治医科大学臨床病理

Department of Clinical Pathology, Jichi Medical School

キーワード : Chemotherapeutic Response, Focal Splenic Lesions, Histopathology, Malignant Lymphoma, Ultrasonography

Focal splenic lesions in 19 patients with malignant lymphoma were studied by ultrasonography, and the findings were compared with histologic findings based on the classification of the Lymphoma Study Group. All of the observed lesions were hypoechoic, and they were classified into four types: type I: numerous minute lesions ranging from 2 to 3 mm in diameter and scattered diffusely in a mesh-like pattern; type II: many ill-defined small irregular nodules ranging from 0.5 to 1.0 cm in diameter; type IE: one or a few well-defined round nodules of 1.0 to 3.0 cm in diameter; and type IV: one or a few well-defined round nodules of more than 3.0 cm in diameter. Type I splenic involvement was significantly more often associated with splenomegaly than were the other types (p=0.034). Hodgkin's Disease and non-Hodgkin's lymphoma of the diffuse large cell type were associated with type IV splenic involvement, whereas non-Hodgkin's lymphomas of diffuse small and medium-sized cell types were associated with type I involvement. Nodular lesions in types II through IV responded well to chemotherapy; type I miliary lesions did not. Ultrasonographic appearance of splenic lesions, would thus appear to predict responsiveness to chemotherapy as well as to indicate the underlying histology.