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Internal Medicine; Pathology and Laboratory Medicine


Erythema annulare centrifugum (EAC) is an unusual skin condition appearing as recurrent erythematous annular eruptions associated with autoimmune disorders, infections, and various neoplastic conditions. We present a very rarely reported association of EAC with Hashimoto thyroiditis (HT) in a young male. A 26-year-old male recently diagnosed as case of HT presented in the dermatology clinic with nine-month history of non-itchy persistent annular lesions on the body. The morphology and biopsy of lesions confirmed the diagnosis of EAC. HT is a part of the spectrum of autoimmune thyroid diseases with its own specific cutaneous manifestations. Our case also depicts the impact of antigen-antibody related immunological reaction, which might be involved in the development of both HT and EAC, and it could be the stages of the same pathological condition of two different clinical presentations.


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Creative Commons Attribution 4.0 International License
This work is licensed under a Creative Commons Attribution 4.0 International License.