Tumor lesion that grows in a persistent erythematous rash on the back

    75 year-old female with 8 month history of erythematous papules and plaques on the back. Her past medical history is remarkable for hypothyroidism. A tumor lesion has grown on the left shoulder for the last month.

    Case to be discussed at upcoming Dermpedia Cutaneous Hematopathology CME Course in Scottsdale, AZ