Fig. 1

Radiographs of the proband at the age of 35 years. a Reduced interarticular spaces in the hip joints with bilateral femoral neck aseptic necrosis, b enlargement of interphalangeal joints, c narrowing of elbow joint space, d osteosclerosis and an irregular contour of the joint surface and narrow spaces in the knee joints, e herniated disks in the thoracolumbar spine (T12/L1-L5/S1) with lumbar spine hyperplasia, (f) and flattened vertebral bodies in the cervical spine can be noted