03-23-2008, 08:01 AM
18.A 50-year-old man develops a mass on the back of his hand. The lesion somewhat resembles a "volcano" and consists of a round, firm, flesh colored, 1-cm nodule with sharply rising edges and a central crater. Keratotic debris can be expressed from the central crater. The lesion has developed very rapidly over about a three-month period. Which of the following is the most likely diagnosis?
a)Keratoacanthoma
b)Lipoma
c)Malignant melanoma
d)Pyogenic granuloma
e) Seborrheic keratosis
a)Keratoacanthoma
b)Lipoma
c)Malignant melanoma
d)Pyogenic granuloma
e) Seborrheic keratosis
