Osteitis Condensans of the Sternal Manubrium and Ossification of the Costoclavicular Ligaments

Sternocostoclavicular hyperostosis (SCCH), a rare, benign disorder, is frequently associated with skin lesions, but can occur without them. Patients showing only bone lesions initially may later develop cutaneous symptoms. A 24-year-old white woman was referred for investigation of chronic pain and tenderness of the sternocostoclavicular region with minimal soft tissue swelling. The pain started 1 year before without history of trauma, low back pain, or arthritis. Examination did not reveal acne, palmoplantar pustulosis, or psoriasis. A range of laboratory examinations were …