[Atypical presentation in hydatid disease: hemoptysis].

Hydatid disease is an infectious disease caused by the larval stage of Echinococcus granulosus. It constitutes a major public health problem worldwide. This disease may present in several atypical forms, causing difficulty in diagnosis. In this article it is stressed that the diagnosis of hydatid disease should be kept in mind in patients presenting with hemoptysis, although this presentation is very rare.