#july2020mccqe1
A 39-year-old California rancher consults a physician because of chronic abdominal pain. The man has been a sheepherder for 23 years. Physical examination is notable for a palpable liver mass but is otherwise unremarkable. Ultrasound demonstrates a 15-cm cyst bearing multiple daughter cysts in the liver. CT confirms the presence of the cysts and demonstrates the presence of a finely calcified cyst rim. Which of the following is the most likely diagnosis?
(A) Ascariasis
(B) Echinococcosis
(C) Fascioliasis
(D) Schistosomiasis
(E) Toxocariasis
A 39-year-old California rancher consults a physician because of chronic abdominal pain. The man has been a sheepherder for 23 years. Physical examination is notable for a palpable liver mass but is otherwise unremarkable. Ultrasound demonstrates a 15-cm cyst bearing multiple daughter cysts in the liver. CT confirms the presence of the cysts and demonstrates the presence of a finely calcified cyst rim. Which of the following is the most likely diagnosis?
(A) Ascariasis
(B) Echinococcosis
(C) Fascioliasis
(D) Schistosomiasis
(E) Toxocariasis
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