J Breast Dis.  2023 Jun;11(1):30-33. 10.14449/jbd.2023.11.1.30.

Breast Cancer Metastatic to Gluteus Maximus: A Case Report

Affiliations
  • 1Department of Radiology, St. Luke’s Hospital, Temple University School of Medicine, USA
  • 2Department of Pathology, St. Luke’s Hospital, Temple University School of Medicine, USA

Abstract

Breast cancer rarely metastasizes to skeletal muscle. Moreover, skeletal muscle is a rare site of metastasis for any type of cancer. In this study, we report an unexpected finding of an enlarged mass in the gluteus maximus of an asymptomatic patient with a distant history of breast cancer. The mass was observed during computed tomography evaluation in preparation for a non-oncologic procedure. Biopsy and pathological investigation confirmed breast cancer metastasis. An increased awareness of rare metastatic sites is important so that such lesions are critically evaluated during early imaging examination.

Keyword

Breast neoplasms; Drug therapy; Metastasis; Radiotherapy; Skeletal muscle
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