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Case Report of Patient With Erythropoietic Protoporphyria and Basal Cell Carcinoma Diagnoses

Background: Basal cell carcinoma (BCC) is the most common nonmelanoma skin cancer. There is a clear association between BCC development and ultraviolet (UV) radiation. Erythropoietic protoporphyria (EPP) is an inherited porphyria disorder that is a result of protoporphyrin accumulation, typically manifesting with phototoxicity. Case Summary: We report a case of a 24 year-old man with both EPP and BCC diagnoses. At the age of 4 years, the patient was diagnosed with EPP. The patient presented with a BCC on his nose at age 24 years, despite sun avoidance as the primary treatment for his EPP diagnosis. Conclusion: Consider the diagnosis of BCC in a patient with EPP, despite sun avoidance.