["Sesamoiditis" of the metatarsophalangeal joint].

Reference is made to three of the authors' own cases and to relevant literature in an account of clinical manifestation, diagnosis, and therapy of osteochondrosis and osteomyelitis of the first metatarsal sesamoid bone. Eighty per cent of the incidence are related to the age groups between 13 and 22 years. The disease is probably based on aseptic ischaemic necrosis.