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血管内大細胞型B細胞リンパ腫は節外性B細胞リンパ腫の一型であり,腫瘍細胞が細小血管内で選択的に増殖することを特徴とする疾患である。多様かつ非特異的な症状を呈することから診断に難渋することが多く,いかに本疾患を鑑別に挙げてランダム皮膚生検をはじめとする組織診断を行うかが診断のカギとなる。治療の進歩により早期診断の重要性が高まっているが,病態や機序にはいまだ不明な点も多く,今後の知見の蓄積がまたれる。
Abstract
Intravascular large B-cell lymphoma is an extranodal large B-cell lymphoma characterized by the selective growth of tumor cells in small vessels. It is often difficult to diagnose because of its various and non-specific manifestations. A key to diagnosis is an understanding of how to suspect this disease and performing tissue diagnoses including random skin biopsy. Due to advances in treatment, the importance of early diagnosis is increasing. However, as the pathogenesis and manifestations of the disease are still unclear, additional knowledge is needed.
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