Smoking and Psoriasis — SCE Dermatology MCQ

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HardInflammatory DermatosesSmoking and PsoriasisSCE Dermatology

A smoker with palmoplantar pustulosis develops painful swelling over the sternoclavicular joint and sterile osteitis on imaging. Which syndrome best unifies the findings?

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Correct answer: C — SAPHO syndrome

Synovitis, acne, pustulosis, hyperostosis and osteitis form the SAPHO spectrum. Anterior chest-wall osteitis is characteristic and may accompany palmoplantar pustulosis even without severe acne.

Reference: https://academic.oup.com/bjd/pages/bad-guidelines