Many classes of drugs are known to cause a photosensitive reaction, including anti-bacterial, antiinflammatory, and nonsteroidal drugs. Pirfenidone is an anti-inflammatory drug that is used to treat idiopathic pulmonary fibrosis (IPF). We report a case of a patient who developed a photosensitive rash secondary to pirfenidone use, which resolved after discontinuing administration of the drug.
The report presents a case of a 67-year-old female with a long-standing lump on the scalp. After its excision the histopathology revealed consistency with eccrine mucinous carcinoma. These neoplasms are quite rare with only around 100 cases reported since 1951. The report concludes the importance of encouraging followup of cutaneous lesions among patients as well as ongoing research to better identify and manage the tumor.
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