Case for 2018 Dermpedia Course: A very common biopsy: rule out psoriasis or SCC

    A 64 yo M with history of treated psoriasis presented with 3 mo history of persistent erythematous plaque on his left shin. The plaque did not respond to triamcinolone treatment.

    Clinical considerations included SCC and psorisis.

    Diagnosis to be revealed at Dermpedia Course

    Conference: