Clinical characteristics and associations of palmoplantar pustulosis: an observational study,

Conclusion: Palmoplantar pustulosis appears to be a distinct entity from psoriasis. Routine thyroid functions test could be analyzed, but patch testing is not required in patients with palmoplantar pustulosis. Also, patients with palmoplantar pustulosis must be evaluated for musculoskeletal symptoms and signs.
Source: Anais Brasileiros de Dermatologia - Category: Dermatology Source Type: research