Pustulotic Arthro-Osteitis (Sonozaki Syndrome): A Case Report and Review of Literature

Pustulotic arthro-osteitis (PAO) is a rare chronic inflammatory disease, which has now been classified as a seronegative spondyloarthritis. The sternoclavicular and sternocostal joints, pelvis, vertebra, hip, and long bones are affected. Skin findings of the disease are accepted as a variant of pustular psoriasis, but some authors have suggested that palmoplantar pustulosis (PPP) is a different entity. The synovitis, acne, pustulosis,...