Progressively enlarging mass on the lower back of one year duration
TEST YOUR IMAGE IQ: A 29-year-old man, previously in excellent health, presented with a progressively enlarging mass on the lower back of one-year’s duration. Additional complaints included: pain radiating from the area, fatigue, intermittent fever and night sweats, and unexpected weight loss of 30 pounds. Family history was positive for melanoma (paternal grandfather) but not for other neoplasia.
