title: Echinococcus hooklets in sputum: sinus tract extension of a liver hydatid cyst to lung.
mesh_terms: D000818:Animals; D004444:Echinococcosis, Hepatic / Q000469:parasitology* / Q000473:pathology; D004445:Echinococcosis, Pulmonary / Q000469:parasitology* / Q000473:pathology; D006801:Humans; D008297:Male; D008875:Middle Aged; D013183:Sputum / Q000469:parasitology*