The clinical features of this condition include * Flattened facial features * Flexion contractures of the interphalangeal joints of hand and foot. * Limited motion of multiple joints * Short broad metacarpals, metatarsals and phalanges Thickening of the skin may occur in a fashion similar to that occurs in scleroderma. The thumbs may be angled in a lateral direction (valgus deformity). The knees may be angled backwards (genu recurvatum). Abnormalities of the upper spinal cord may also occur.
Leri pleonosteosis
Radial dysplasia
Multiple epiphyseal dysplasia
Unicameral bone cyst
Myositis ossificans
Osteopetrosis
Osteochondrosis
Bone cyst