This disease is
Osteochondrosis of the tarsal navicular (Kohler's disease) is characterised by aseptic necrosis of the Navicular bone causing a painful limp in a child usually 4-10 years of age.
Osteochondrosis of the lunate
Osteochondrosis of the navicularq
Tuberculosis of the scaphoid
Syphilitic dactylitis