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2013-05-01-09 Case of the week #349 © Sosa www.TheFetus.net 

Answer to the case of the week #349

July 18, 2013 - August 01, 2013  


Alberto Sosa Olavarria, MD.

M and Argenis Cortez Carabobo Universty and Metropolitan Hospital, Valencia, Venezuela.



Case report

This was a low risk pregnancy of a woman from non-consanguineous couple. She was sent to our unit due to suspicion of fetal diaphragmatic hernia. Our ultrasound at 34 weeks revealed a round mass located at the base of the right lungs of the fetus. The structure was similar to renal parenchyma, but two normal kidneys were also found in their physiological location. Among our differential diagnoses we also included possibility of a supernumerary ectopic kidney in the thoracic cavity. The newborn was delivered at term and the diagnosis was confirmed.
 
Images 1, 2, 3, 4, and 5: Series of transverse scans of the fetal chest showing a mass at the base of the right lungs behind the heart which turned out to be supernumerary ectopic kidney (arrow on the image 5).

 

 



Image 6 and video 1: The image and video show transverse scans of the fetal chest with a mass at the base of the right lungs behind the heart which turned out to be supernumerary ectopic kidney.

 

Images 7, 8, 9: Right parasagittal color Doppler scans showing normal right kidney and ectopic supernumerary kidney within thoracic cavity (arrow on the image 9).

 



Image 10: The image show transverse scan of the fetal abdomen at the level of normally located fetal kidneys.



Images 11, 12, 13, 14, 15, and 16: Series of images showing normal kidneys of the fetus in their physiological locations.

 

 

 
 
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