腎血管筋脂肪腫15例の臨床的検討

概要

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1)手術を施行したのが6例(腎摘除術3例,腫瘍核出術3例),経過観察のみで経過しているのが9例であった. 2)腎摘除術3例のうち1例は術中迅速病理検査で脂肪肉腫と診断された.病理検査,特に迅速病理検査では脂肪肉腫とAMLとの鑑別に注意すべきと思われた. 3)当科で結節性硬化症に合併したのは1例のみで,この症例は対側腎に平滑筋腫を合併していた. 4)現在まで経過観察している症例のうち,1年以上の経過観察が可能であった5例では腫瘍doubling timeが大きく,1年以上の経過観察後に腫瘍核出術を施行した2例では腫瘍doubling timeが1年未満と小さかったFifteen cases of renal angiomyolipoma seen between May, 1988 and October, 1994 in our hospital are presented. Surgical treatment was performed in 6 cases, 1 of which was falsely diagnosed as liposarcoma by frozen specimen during the operation. Nine cases were only followed-up by ultrasonography and/or computed tomography. In 2 cases, in which enucleation was performed after a follow-up period of more than one year, tumors were inclined to grow rapidly. In 5 cases, which were not operated and followed-up for more than one year, tumors were inclined to grow very slowly.