论文信息 - PRIMARY ANGIOSARCOMA OF THE BREAST-A REPORT OF TWO CASES-

PRIMARY ANGIOSARCOMA OF THE BREAST-A REPORT OF TWO CASES-

乳腺血管肉腫2例を報告する．7cmの右乳房腫瘤で発症した28歳女性と，10cmの腫瘤で右乳房切除を受けた14カ月後に対側に2cmの腫瘤を認めた44歳女性である．いずれも造影MRIで早期濃染と造影遷延を認めた．日本における自験例を含む47例の集計（1932年～2007年）では，平均年齢39歳，平均腫瘍径8.3cmで42例（89.4％）に乳房切除が行われ，腋窩リンパ節転移はなかった．平均観察期間24.2カ月で30例（63.8％）が遠隔再発し，20例（42.6％）が死亡していた．Kaplan-Meier法による解析では診断時腫瘍径2cm以下の症例は2cmを超える症例に比べ有意に予後が良好であった．

Y. Tamaki | S. Noguchi | M. Okishiro | S. Ueda | T. Okabe

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