A 27-year-old male with no significant past medical history presented with recurrent swelling and pain on the right superior crus of the antihelix initially misdiagnosed as a skin infection. Despite adherence to antibiotic treatment, his condition showed no improvement, leading to further investigation. The patient's detailed clinical examination, family history devoid of autoimmune disorders, and persistent auricular inflammation prompted a reconsideration of the diagnosis. A subsequent biopsy that captured cartilage revealed auricular chondritis, perichondrial inflammation, degeneration of cartilage, and infiltration by inflammatory cells, all of which have been clinically associated with relapsing polychondritis (RP). Relapsing polychondritis (RP) is a rare autoimmune disorder characterized by recurrent inflammation of cartilaginous structures, often leading to progressive anatomical deformation and functional impairment. While RP's pathogenesis involves complex autoimmune mechanisms, its diagnosis is challenging due to its varied clinical presentations. This case highlights the diagnostic challenges of atypical presentations of RP and underscores the importance of considering RP in differential diagnoses of persistent auricular inflammation. It also emphasizes the role of corticosteroids in managing RP and the potential for novel therapeutic pathways, such as Janus kinase inhibitors, in treatment. The case contributes to a deeper understanding of RP's clinical spectrum and management strategies, stressing the need for heightened clinical suspicion in similar atypical cases.
Keywords: auricular chondritis; autoimmune disorder; cartilage inflammation; chronic inflammation; ear swelling; polychondritis; relapsing polychondritis clinical picture.
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