Radiation-induced chondrosarcoma of the scapula after radiotherapy for lung cancer: a case report and review of the literature.

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Radiation-induced chondrosarcoma of the scapula after radiotherapy for lung cancer: a case report and review of the literature.

J Med Case Rep. 2018 Mar 05;12(1):57

Authors: Zidane A, Arsalane A, Lahkim M, Lalya I, Ktaibi A, Essadi I

Abstract
BACKGROUND: Radiotherapy associated with chemotherapy is a well-established treatment modality for locally advanced non-small cell lung cancers. Radiation-induced second malignancies, particularly radiation-induced sarcomas, are rare. Some authors reported a recent increase in the incidence of this rare complication, especially because of the improved prognosis and survival of patients after radiotherapy. Pathogenic mechanisms of radiation-induced sarcomas are poorly understood. However, diagnosis criteria are well established. Treatment options must be discussed and adapted to the patient's profile. Surgery in irradiated tissue is challenging, with limited treatment options with chemotherapy and radiotherapy.
CASE PRESENTATION: We report the case of a 62-year-old Moroccan man diagnosed as having chondrosarcoma of his right scapula, who was irradiated 10 years ago for stage IIIB non-small cell lung cancer. This case was managed by a complete resection of the tumor with good functional and oncological outcomes. To the best of our knowledge, the scapular location of radiation-induced sarcoma after irradiation for lung cancer has never been described in the literature.
CONCLUSION: Radiation-induced sarcoma of the scapula represents a rare situation that must be actively researched to have access to an optimal therapeutic approach.

PMID: 29502515 [PubMed - in process]

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