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March 7, 2026Palliative Care Research0 citationsOpen Access

A Case of Delayed Radiation-induced Brachial Plexopathy Occurring Approximately 40 Years After Breast Cancer Surgery

KCKeiko ChibaTFToshio FukutakeMSM. Sonoo

Key Points

  • To report a rare case of delayed radiation-induced brachial plexopathy occurring 40 years after breast cancer treatment.
  • Case report of an 81-year-old woman
  • History of breast cancer surgery, chemotherapy, and radiation therapy
  • Follow-up for lymphatic obstruction and nerve function tests
  • Patient experienced progressive symptoms including hand tingling and motor dysfunction
  • Diagnosis of delayed radiation-induced brachial plexopathy confirmed by nerve conduction studies
  • The case underscores the importance of recognizing long-term complications in cancer survivors

Abstract

【背景】乳がん術後約40年という極めて長期間を経て発症した遅発性放射線誘発性腕神経叢障害の症例を報告し,がん治療後の長期生存患者における晩期障害の認識を高め,適切な支援体制の必要性を提起する.【症例】81歳女性.42年前に乳がんに対してHalsted法による手術,化学療法,放射線治療を受けている.約22年後に左上肢の続発性リンパ浮腫を自覚し保存療法を開始.約37年6カ月後にリンパ管静脈吻合術+リンパ節移植術を施行.浮腫は軽減したが,左手背のしびれと母指・示指の運動障害が出現.徐々に症状が進行し,左手指がほぼ完全に動かせなくなった.神経生理検査の結果,遅発性放射線誘発性腕神経叢障害と診断された.【結論】遅発性放射線誘発性腕神経叢障害は稀な合併症である.医療の進歩により長期生存者が増加するなか,放射線の晩期障害に対する認識を高め,適切な支援体制の整備が求められる.

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Cite This Study

Chiba et al. (2026) studied this question.

synapsesocial.com/papers/69abc0925af8044f7a4e94cdhttps://doi.org/10.2512/jspm.21.55
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