[“common warts”]
Multiple hyperkeratotic, elevated, discrete epithelial growths with papillated surface.

[“ringworm”]

Pruritic, scaly, round/oval plaque with central clearing on the clavicle. (Courtesy of Dr. L. From)

Single, erythematous, painless round chancre on penis.

Commonly affecting palms and soles with oval, flat-topped scaling, non-pruritic red-brown papules or plaques.

Small crusted papules, eczematous plaques, intense pruritus and excoriations, and superficial linear burrows.

Brownish-white scaling macules on trunk.