nodular prurigo
nodular prurigo
A dermopathy characterised by intensely pruritic nodules on the arms or legs, often with excoriations due to itching.Aetiology
Idiopathic; it may be associated with Becker's nevus, linear IgA disease, and liver disease, and triggered by internal malignancy, liver or renal failure.
DiffDx
Systemic pruritus (cholestasis), thyroid disease, polycythaemia rubra vera, uraemia, Hodgkin lymphoma, HIV and other immune deficiencies; delusions of parasitosis (formication) and other psychiatric conditions.