Do you know this syndrome?

the sapho syndrome (synovitis, acne, pustulosis, hyperostosis and osteitis) includes a group of findings characterized by bone lesions usually located on the anterior chest wall, often associated with skin lesions. we report the case of a 47 years old patient, with osteochondritis at costoesternal and manubrium-sternal joints, besides of palmar-plantar pustulosis. the diagnosis is predominantly clinical and there are several treatment options described in the literature.