Granulomatous Mastitis as a Presentation of Sarcoidosis

Sarcoidosis is an idiopathic inflammatory disease characterized by granuloma formation in various tissues, most commonly the lungs, lymphatics, skin and eyes. Involvement of the breast in sarcoidosis is rare, and can be defined into three subsets, including granulomas localized to the breast, referred to as breast sarcoidosis. Breast sarcoidosis may present with systemic findings such as erythema nodosum, arthritis, and uveitis, and unlike typical sarcoidosis, commonly manifests during pregnancy. In this report, we present a rare case of breast sarcoidosis presenting in a pregnant female with associated erythema nodosum, arthralgias and ocular complaints.