Synovitis, Acne, Pustulosis, Hyperostosis and Osteitis (SAPHO) syndrome is an osteoarticular-skin syndrome characterised by sterile inflammatory arthro-osteitis of the anterior chest wall. It is associated with various skin conditions including palmoplantar pustulosis, severe acnes and pustular psoriasis. A link between SAPHO syndrome and seronegative spondyloarthropathies has been suggested over the last 10 years. SAPHO syndrome mainly affects young and middle-aged adults. Treatment of SAPHO syndrome remains empirical as the underlying aetiopathogenesis is unclear.
The acronym SAPHO refers to a syndrome characterised by synovitis, acne, pustulosis, hyperostosis and osteitis. In 1961, a link between acne conglobata and arthritis was first described by Windom et al.
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