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Radiat Oncol J. 2015 Dec;33(4):344-349. English. Case Report. https://doi.org/10.3857/roj.2015.33.4.344
Kim J , Shin ES , Kim JE , Yoon SP , Kim YS .
Department of Anatomy, Jeju National University School of Medicine, Jeju, Korea.
Department of Biomedicine & Drug Development, Jeju National University, Jeju, Korea.
Medical Course, Jeju National University School of Medicine, Jeju, Korea.
Department of Radiation Oncology, Jeju National University Hospital, Jeju National University School of Medicine, Jeju, Korea. yskim@jejunuh.co.kr
Abstract

Late complications of head and neck cancer survivors include neck muscle atrophy and soft-tissue fibrosis. We present an autopsy case of neck muscle atrophy and soft-tissue fibrosis (sternocleidomastoid, omohyoid, digastric, sternohyoid, sternothyroid, and platysma muscles) within the radiation field after modified radical neck dissection type I and postoperative radiotherapy for floor of mouth cancer. A 70-year-old man underwent primary tumor resection of the left floor of mouth, left marginal mandibulectomy, left modified radical neck dissection type I, and reconstruction with a radial forearm free flap. The patient received adjuvant radiotherapy. The dose to the primary tumor bed and involved neck nodes was 63 Gy in 35 fractions over 7 weeks. Areas of subclinical disease (left lower neck) received 50 Gy in 25 fractions over 5 weeks. Adjuvant chemotherapy was not administered.

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