Intraoperative Placement of an Absorbable Spacer Prior to Radiation Therapy for a Malignant Peripheral Nerve Sheath Tumor

Yuki Endo, Taichi Fukuzawa, Masahiro Irie, Hideyuki Sasaki, Hironori Kudo, Ryo Ando, Ryuji Okubo, Saori Katayama, Masatoshi Hashimoto, Kosuke Sato, Masahito Tachibana, Hidekazu Aoki, Masayuki Araya, Koichi Hirabayashi, Shoji Saito, Hidekazu Masaki, Yozo Nakazawa, Yoji Sasahara, Motoshi Wada

研究成果: Article査読

抄録

A 7-year-6-month-old female was diagnosed with a pelvic malignant peripheral nerve sheath tumor and lymph node metastases. Tumorectomy was performed after four cycles of chemotherapy. A 33-mm cystic lesion was observed around the left iliac muscle after three cycles of postoperative chemotherapy, and proton beam therapy (PBT) was recommended. She was referred for absorbable spacer (AS) placement. The left ovarian appendage (OA) was resected due to the direct tumor infiltration. The right OA was fixed to the uterosacral ligament. The AS was fixed to the lateral pelvis. The PBT (70.3 Gy relative biological effectiveness) was performed successfully with the AS, and she also had the reproducing possibility due to prevention of severe irradiation damage of the right OA. AS eliminated the surgical removal of spacers and enabled us high-dose PBT for residual tumor without severe irradiation damage including infertility.

本文言語English
ページ(範囲)541-546
ページ数6
ジャーナルCase Reports in Oncology
15
2
DOI
出版ステータスPublished - 2022 5月 20
外部発表はい

ASJC Scopus subject areas

  • 腫瘍学

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