Synovitis Acne Pustulosis Hyperostosis osteomyelitis syndrome SAPHO

Description: A gentleman comes in complaining of right knee pain. He is a 48-year-old African American man who was transferred from the Infectious Disease Clinic to the Thayer Medical Service for possible septic arthritis. His symptoms essentially limited his right knee motion; he is not able to flex more than 30 degrees. He has had surgery. There is an area medial to the knee that is swollen, and there is an area lateral to the knee that has been draining pus since August 2005. He has some occasional chills, no fevers, and no other systemic manifestations.