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J Thorac Dis. 2012 Feb;4(1):83-7. doi: 10.3978/j.issn.2072-1439.2011.04.05.

Psoas muscle metastases in non-small cell lung cancer.

Journal of thoracic disease

Jonathan B Strauss, Anand P Shah, Sea S Chen, Benjamin T Gielda, Anthony W Kim

Affiliations

  1. Northwestern Memorial Hospital, Department of Radiation Oncology, Chicago, IL 60611, USA;

PMID: 22295171 PMCID: PMC3256543 DOI: 10.3978/j.issn.2072-1439.2011.04.05

Abstract

Lung cancer is the leading cause of cancer-related death in the U.S. and often spreads via lymphatics or through hematogenous metastasis to the brain, bone and adrenal glands. Isolated metastases to skeletal muscle, including the psoas muscles, are very uncommon. The present report is a case series of three patients with psoas metastases from non-small cell lung cancer (NSCLC) and a review of the relevant literature. Three patients presented with psoas muscle metastases from NSCLC detected on diagnostic imaging. All patients were treated with radiotherapy to the psoas muscle, and two patients were treated with curative intent on an oligometastatic paradigm. Radiotherapy to the psoas muscle was effective and well tolerated.

Keywords: carcinoma; lung; metastases; psoas muscle

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