Question:

Which of the following answers is false?
1. Fascioliasis is a parasitic disease, caused by a trematode.
2. Fascioliasis is a parasitic disease, caused by Fasciola hepatica.
3. Fascioliasis is a parasitic disease, caused by a cestode.
4. Fascioliasis is a parasitic disease, caused by Fasciola giganta.
5. Fascioliasis is a parasitic disease, caused by a liver fluke.





Answer:

The correct answer for the question "Which of the following answers is false?" is:

3. Fascioliasis is a parasitic disease, caused by a cestode.



Explanation
Fascioliasis is an infectious disease caused by one of two flatworms, either fasciola hepatica or fasciola giganta. Trematodes or flatworms are commonly referred to as flukes.

The cestodes are a sister class of the trematodes.



From the manuscript:
Fasciola hepatica infection in a 65-year-old woman
Radiology Case. 2010 Apr; 4(4):13-19


This article belongs to the GI section.




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From the manuscript

Fasciola hepatica infection in a 65-year-old woman

Free full text article: Fasciola hepatica infection in a 65-year-old woman

Abstract
Fascioliasis is an infectious disease caused by fasciola or liver fluke. Humans are accidental hosts to these flatworms. The World Health Organisation considers fascioliasis an important human parasitic disease. In Europe, Australia and Northern America, the disease is rare, but should have a high index of suspicion in patients who have lived in or travelled to endemic areas. Although it can be self-limiting, fascioliasis is associated with an increased risk of bile duct cancer. Before a clear-cut diagnosis is made using ELISA-based arrays, radiologic studies can provide the clinician with a number of suggestive features, thereby avoiding the need for liver biopsy or even surgery, which have nowadays become obsolete for the diagnosis of fascioliasis. We provide an overview of the major radiologic hallmarks and we demonstrate the role of iron-oxide enhanced MRI.






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