[A woman with pain, stiffness and skin abnormalities].

A young woman was diagnosed with SAPHO syndrome. She presented with retrosternal pain and lumbar stiffness in combination with hidradenitis. DXA scan indicated secondary osteoporosis of the lumbar spine caused by chronic inflammation. Bone scintigraphy showed increased sternal uptake. Treatment with immunosuppressive agents was started after which the stiffness improved.