Pathogenesis of Secondary Spontaneous Pneumothorax Complicating Osteosarcoma.

Matsuura, Yosuke; Ninomiya, Hironori; Ichinose, Junji; Nakao, Masayuki; Ishikawa, Yuichi; Okumura, Sakae; Mun, Mingyon · Ann Thorac Surg · 2020

case_report · Level V

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Abstract

This report describes a rare case of osteosarcoma of the right distal femur and secondary spontaneous pneumothorax in a 13-year-old girl. Secondary spontaneous pneumothorax complicating metastatic osteosarcoma is a rare but well-known phenomenon, with several suggested hypotheses for its pathogenesis. However, these hypotheses have not been confirmed. In the present case, the pathogenesis of secondary spontaneous pneumothorax complicating metastatic osteosarcoma was determined grossly, radiologically, and histopathologically. These findings may help to clarify further the pathogenesis of secondary spontaneous pneumothorax complicating metastatic osteosarcoma.

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