| The lesion presents as a painless, pruritic papule on exposed skin areas. |
| In the classic form, it evolves from a macule to a papule and finally to an erosion or ulcer. |
| An area of local edema becomes a pruritic macule or papule, which enlarges and ulcerates after one to two days. |
| This rash usually begins as an erythematous macule or papule that rapidly expands centrifugally, often with central clearing. |
| The nodules and the papule on the affected finger began to ulcerate and produce a purulent discharge. |
| It tends to appear as a papule or nodule with an epithelialized, pearly appearance, but may ulcerate in some cases. |
