Question:

Which of the following regarding mesenchymal hamartomas of the liver is true?
1. Most commonly present in adolescents.
2. Demonstrate elevated alpha fetal protein tumor marker levels.
3. Benign developmental malformation composed of disorganized bile ducts, immature fluid filled mesenchymal tissue, and hepatocytes.
4. Often present with distant metastasis.
5. Originates as disturbances along the epithelial tissue of the portal tracts.





Answer:

The correct answer for the question "Which of the following regarding mesenchymal hamartomas of the liver is true?" is:

3. Benign developmental malformation composed of disorganized bile ducts, immature fluid filled mesenchymal tissue, and hepatocytes.



Explanation

"Mesenchymal hamartomas are benign developmental malformations within the liver composed of disorganized bile ducts, immature fluid filled mesenchymal tissue, and hepatocytes. This lesion likely originates as disturbances along the connective tissue of the portal tracts (1). Mesenchymal hamartomas usually present in children less than four years old with either painless abdominal distention or abdominal mass. If laboratory evaluation is undertaken, tumor marker alpha fetal protein is expected to be normal as these lesions arise from mesenchymal rather than epithelial tissue."



From the manuscript:
Mesenchymal cystic hamartoma of the liver: MR imaging with pathologic correlation
Radiology Case. 2009 Jul; 3(7):22-26


This article belongs to the Pediatric section.




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From the manuscript

Mesenchymal cystic hamartoma of the liver: MR imaging with pathologic correlation

Free full text article: Mesenchymal cystic hamartoma of the liver: MR imaging with pathologic correlation

Abstract
This report describes a case of mesenchymal cystic hamartoma of the liver with diagnostic imaging work-up using only ultrasound and MRI. We demonstrate an approach starting from the pediatrician`s physical exam culminating in surgical resection and pathologic confirmation with an emphasis on MR imaging.






References



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9. CT and Radiation Dose. www.imagegently.com/CT. Last accessed Dec 2008.
Find similar topics on www.imagegently.com/CT" target="PubMed">Read this article on PubMed :: www.imagegently.com/CT" target="Google_scholar">Find similar articles on Google scholarScholar :: www.imagegently.com/CT" target="searching_radiology">Search for similar topics with the Radiology specific search engine Radiology search engine




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