Progressive Erythematous Facial Rash

A 32-year-old man presented to the dermatology clinic for evaluation of a progressive erythematous facial rash of 4 years' duration.The patient reported some worsening with increased face mask wear during the COVID-19 pandemic.On occasion, fluid could be expressed when the area on the right cheek was compressed.Physical examination revealed a well-demarcated erythematous plaque on the right cheek.The patient also reported intermittent mild involvement of the nose and left cheek.He initially was treated with triamcinolone and ketoconazole cream for several months, but the rash persisted.Given the chronicity and worsening of the eruption, a punch biopsy from the right cheek with immunohistochemical staining was obtained. WHAT'S YOUR DIAGNOSIS?a. contact dermatitis b.