• Miguel Penizzotto, Gabriela Robaina, María Elena Urdapilleta, Mariela Retegui, María Florencia Arrien Zucco, and Christian Larralde.
• Servicio de Neumonología, Sanatorio San Roque, Curuzú Cuatiá, Corrientes, Argentina. E-mail: penitato@curuzu.net.
• Medicina (B Aires). 2023 Jan 1; 83 (1): 142144142-144.

AbstractWe present the case of a patient who consulted for cough, showing a mass in the lower lobe of the right lung on imaging studies. Bronchoscopy revealed an irregular, whitish endobronchial formation, from which whitish membranes were aspirated. Biopsies were taken from the aspirated material and sent for analysis Based on the cyto and histopathological study, pulmonary hydatid disease coexisting with a sarcoma was diagnosed. In our area, hydatid disease continues to be frequent and its pulmonary location is, together with the hepatic, the two most common forms of presentation. The usual complication is the rupture of the cyst with the eventual seeding and its infection. In this case, the coexistence of hydatid disease with a pulmonary sarcoma was revealed, a fact of which we only know of one report, more than fifty years ago. The publication is motivated by the extremely infrequent nature of this association, highlighting the importance of carrying out histopathological studies even when clinical and imaging suspicion points to hydatid disease.

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