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Proposed classification criteria of SAPHO syndrome (from Kahn MF,4 2003 ACR 67th Annual Scientific Meeting)
Classification Criteria Inclusion Bone ± joint involvement associated with PPP and PV Bone ± joint involvement associated with severe acne Isolated sterile hyperostosis/osteitis (adults)a Chronic recurrent multifocal osteomyelitis (children) Bone ± joint involvement associated with chronic bowel diseases Exclusion Infectious osteitis Tumoral conditions of bone Noninflammatory condensing lesions of bone ↵a With the exception of P acnes.