<unk>  is a very rare syndrome in which muscle tissue underneath the skin, called fascia, becomes swollen and thick. Rapid swelling can occur in the hands, arms, legs, and feet.
The disease is similar in appearance to scleroderma but is not related.
Eosinophilic fasciitis
Acral necrosis
Myositis ossificans
Plantar fasciitis
Osteopetrosis
Polychondritis
Osteochondrosis
Stenosing tenosynovitis