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Idiopathic granulomatous mastitis after mRNA vaccination against COVID-19: a possible association?
Elisenda Vall1, Vicente Araya1, Lidia Tortajada1
1Women's Imaging, Department of Radiology, UDIAT Centre Diagnòstic, Parc Taulí Hospital Universitari, Institut d'Investigació i Innovació Parc Tauli I3PT, Univertitat Autònoma de Barcelona, Sabadell, Barcelona, 08201, Spain.
Abstract:
Idiopathic granulomatous mastitis (IGM) is an uncommon benign disease thought to have an autoimmune origin. After massive vaccination against COVID-19, mRNA vaccines have been associated with various possible adverse effects. Among those involving the breast, the most common are ipsilateral axillary lymphadenopathies and transient breast oedema. We present the case of a young woman who developed IGM after mRNA vaccination against COVID-19. We describe the clinical and imaging findings and management of this case, discussing the evidence for a possible link between vaccination and the development of this uncommon inflammatory process and underlining the importance of including this entity in the differential diagnosis in this scenario.
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