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J Korean Soc Radiol. 2018 Oct;79(4):204-207. English. Case Report. https://doi.org/10.3348/jksr.2018.79.4.204
Kang H , Ha SM , Ahn HS , Kim HS , Kim HJ .
Department of Radiology, Chung-Ang University Medical Center, Seoul, Korea.
Department of Radiology and Thyroid Center, Chung-Ang University Medical Center, Seoul, Korea. su3ha5@hanmail.net
Department of Pathology, Chung-Ang University Medical Center, Seoul, Korea.
Department of Internal Medicine, Chung-Ang University Medical Center, Seoul, Korea.
Abstract

Occult breast cancer (OBC) is an asymptomatic condition. We report a case of OBC in a 72-year-old male patient who presented with severe dyspnea and upper extremity swelling. Computed tomography scan showed multiple lymph node enlargements in the supraclavicular and infraclavicular areas, and ultrasound scan showed multiple axillary lymph node enlargements. Based on the radiological findings, clinicians suspected lymphoma or disseminated metastasis from unknown primary malignancies. However, the axillary biopsy specimen revealed invasive breast cancer with hormonal receptor positivity.

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