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Axillary Lymphadenopathy After COVID-19 Vaccination in a Woman With Breast Cancer

Educational Objective
Based on this clinical scenario and the accompanying image, understand how to arrive at a correct diagnosis.
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Article Information

Corresponding Author: Diana L. Lam, MD, Department of Radiology, University of Washington, Seattle Cancer Care Alliance, 1144 Eastlake Ave E, LG2-216, Seattle, WA 98109 (dllam@uw.edu).

Published Online: December 23, 2021. doi:10.1001/jama.2021.20010

Conflict of Interest Disclosures: None reported.

Additional Contributions: We thank the patient for providing permission to share her information.

References
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Edmonds  CE , Zuckerman  SP , Conant  EF .  Management of unilateral axillary lymphadenopathy detected on breast MRI in the era of COVID-19 vaccination.   AJR Am J Roentgenol. 2021;217(4):831-834. doi:10.2214/AJR.21.25604PubMedGoogle ScholarCrossref
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Özütemiz  C , Krystosek  LA , Church  AL ,  et al.  Lymphadenopathy in COVID-19 vaccine recipients: diagnostic dilemma in oncologic patients.   Radiology. 2021;300(1):E296-E300. doi:10.1148/radiol.2021210275PubMedGoogle ScholarCrossref
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Adin  ME , Isufi  E , Kulon  M , Pucar  D .  Association of COVID-19 mRNA vaccine with ipsilateral axillary lymph node reactivity on imaging.   JAMA Oncol. 2021;7(8):1241-1242. doi:10.1001/jamaoncol.2021.1794PubMedGoogle ScholarCrossref
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