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Following informed consent and verification of the correct patient identity and planned procedure, the patient was placed in the prone position and the right flank was prepped and draped in the usual sterile fashion. Under ultrasound guidance, a 4Fr Micropuncture set was used to access the patient's calyceal diverticulum. Contrast was injected and spot film imaging was performed. Over an Extrastiff wire, an 8.5Fr Dawson Mueller Drain was placed. The pigtail was formed and locked. The catheter was sutured to the skin and placed to external drainage.

Clear fluid was returned from the diverticulum. The rest of the collecting system was not seen in contrast injection.

INTERPRETATION:
1. Successful percutaneous drainage of the right kidney calyceal diverticulum as described.


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