AVASCULAR BONE NECROSIS IN JAPANESE DIVING FISHERMEN A Result of Mass Medical Examinations At Kôzu Island

Avascular bone necrosis was studied as one of the delayed impairments due to the repeated decompressions. Of 79 diving fishermen at Kôzu Island, 15 men had this necrosis (19.0%). Correlationships between this lesion and age, diving experience, past history of decompression sickness and thickness of subcutaneous fat tissues of these diving fishermen were statistically studied. And the results obtained were discussed, compared with the reports of the other authors. Problems in further study in this field were pointed out