Duplex collecting system

Case contributed by Dr Varun Babu

Presentation

Lower urinary tract infection.

Patient Data

Age: 35 years
Gender: Male
CT

Split calyceal system of left kidney which appears bulkier than the right. Dilated lower calyceal system with a normal upper pole system. Both ureters fuse prior to iliac crossing and no obstructive stone is identified. 

Case Discussion

Studies sent for stone survey should also be evaluated for anatomic variations. An abnormally bulky kidney should raise the suspicion of a duplex moiety. More often than not, there is asymmetry in both the calyceal system, making them easier to spot. Read more about the Weiger-Meyert law here.

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Case information

rID: 61505
Published: 16th Jul 2018
Last edited: 14th Aug 2019
System: Urogenital
Inclusion in quiz mode: Included
Institution: Vivid Diagnostic Centre

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