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要旨 13例の腸管悪性リンパ腫につき検討した.内訳は大腸6例,小腸4例,大腸,小腸1例,多臓器2例である.肉眼像については腫瘤型(5例5病変),潰瘍型(4例8病変),限局浸潤型(2例2病変),びまん型(4例)の4型に大別できた.それらの内視鏡像は次のような特徴を持っていた.腫瘤型は形態・表面の平滑度・色調など大きな粘膜下腫瘍と言えるものが多く,またそういったものは内視鏡診断が可能であった.潰瘍型にも粘膜下腫瘍の特徴を残す例がみられた.びまん型は表面平滑な脳回様所見,multiple lymphomatous polyposis,白色がかったやや厚ぼったい粘膜で小陥凹あるいはタコイボびらん様の小隆起の多発を伴うものがあった.
Thirteen cases of lymphoma of the intestine were studied (colonic lymphoma 7, small intestinal lymphoma 4, multiorgan lymphoma 2 cases).
They could be classified morphologically as follows ; tumorous (4 cases, 4 lesions), ulcerated (4 cases, 8 lesions), localized infiltrative (2 cases, 2 lesions), diffuse type (4 cases). Endoscopically, they had the following characteristics. Tumorous lymphomas had submucosal more or less tumor-like features. Ulcerated lymphomas also had, if anything, the characteristic feature of submucosal tumor at the ulcer margin. Diffuse lymphomas were characterized by a smooth-surfaced gyri-like appearance, with thick whitish mucosa with multiple veriform erosion-like tiny elevations.
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