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生後6か月目の神経芽腫マススクリーニング症例に対して,手術侵襲の少ない内視鏡下手術が1つの治療法のオプションとなると考え,1993年より腫瘍最大径が縦隔5cm以下,右副腎2cm以下,左副腎3cm以下の早期症例(後縦隔6例,副腎6例)に対して内視鏡下手術を施行した.また副腎神経芽腫1例に対しては腹腔鏡下生検を行った.早期症例に対する内視鏡下手術の治療成績は良好で,腹腔鏡下生検例も腫瘍組織の予後因子をもとに制癌剤を選択し予後良好であった.侵襲が小さく美容的に優れ,予後判定に重要な分子生物学的検索を可能とする点で,この症例に対する内視鏡下手術の意義はきわめて大きいと思われる.
Since neuroblastomas detected by mass screening have favorable biologic features, aggressive surgery may not bo appropriate for such tumors. The selection criteria for endoscopic excision of neuroblastomas are :(1) identified by mass screening (MS) at 6 months of age.(2) localized tumor,(3) no displacement of major vessels. Thoracoscopic surgery was performed on six patients with stage I mediastinal neuroblastoma. With the patients under general anesthesia, three trocars and an intestinal spatula were placed in the thoracic wall. The tumors were encapsulated and excised, placed into plastic bags, and removed.
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