Питання 50 з 90

A 39-year-old man comes to the doctor with complaints of chest pain and cough with occasionally blood-streaked sputum. He does not have increased temperature or night sweating and his history is insignificant for smoking or alcohol abuse. However, he mentions visiting a few weeks ago a relative who owns a sheep farm. Radiographic examination shows a cyst in the left lower lobe with calcification. Casoni test is positive. Which of the following organisms is the most likely cause of this patient's condition?

1. A Fish tapeworm
2. B Echinococcus
3. C Dwarf tapeworm
4. D Pork tapeworm
5. E Liver fluke

Правильна відповідь: B. Echinococcus