The Treatment of Pulmonary Hydatid Disease

industrial areas are more prone to infestation than farmers). The lung is more often involved in patients living in Australia than in those who live in Europe (9 per cent of primary hydatids occur in the lung according to French authorities, and 25 per cent according to some Australians). The disease is a serious menace in countries such as Iceland, but is rarely seen in others, such as the United States of America. Finally, the treatment in vogue in any place is influenced by the surgical facilities available; where thoracic operations are hazardous, con- servative measures will be preferred.