“…In childhood the commonest cause is meningomyelocele (Carr, 1956). More rarely, it has been noted in congenital insensitivity to pain (Mooney and Mankin, 1966), familial dysautonomia (Brunt, 1967), hereditary sensory neuropathy Uohnson and Spalding, 1964), peripheral nerve injury (Floyd et al, 1959), the neuropathy of leprosy (Paterson, 1955), pernicious anaemia myelopathy (Halonen and Jfirvinen, 1948), multiple sclerosis (Rosenthal, 1965), and spinal-cord injury (Kettunen, 1957).…”