* Single or multiple hard, marble-like nodules of varying size affecting<unk>  skin. * Nodules vary in size from a few millimeters to a few centimeters. * Usually start to appear in childhood or early adult life * Over time, nodules increase in number and size * Nodules may break down and discharge chalky material * Rarely, lesions may be polypoid * Usually asymptomatic
Idiopathic scrotal calcinosis
Infantile digital fibromatosis
Cutaneous endometriosis
Superficial acral fibromyxoma
Baker's cyst
Chemotherapy-induced acral erythema
Granuloma inguinale
Juvenile hyaline fibromatosis