molluscum fibrosum

juvenile hyaline fibromatosis

An extremely rare (70 cases in the world literature) autosomal-recessive condition of early onset (infancy, childhood), which affects the skin, joints, and bones.
Clinical findings
Variably-sized, occasionally painful nodules on the hands, neck, scalp, ears, and nose, as well as at joint creases and external genitalia; gingival hypertrophy; joint contractures; reduced range of motion.