Our patient's presentation is consistent with the syndrome known as SAPHO (synovitis, acne, pustulosis, hyperostosis and osteomyelitis), and formerly termed acne arthritis. The syndrome is characterized by severe scarring acne and related conditions; hyperostotic bone lesions (particularly in the clavicles and sternum); sacroiliitis; spondylitis; and, peripheral inflammatory arthritis.
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...