<unk>  (PN) is a skin disease characterised by pruritic (itchy) nodules which usually appear on the arms or legs. Patients often present with multiple excoriated lesions caused by scratching.
Prurigo nodularis
Epidermal nevus syndrome
Vitiligo
Palmoplantar keratoderma
Dermatosis papulosa nigra
Alopecia mucinosa
Cutis marmorata telangiectatica congenita
Nevus anemicus