Presentation
Chronic renal failure due to obstructive urolithiasis
Patient Data
Age: 70 years
Gender: Female
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There is displacement of the right pigtail catheter with its proximal end in the distal third of the right ureter. Marked hydronephrosis with atrophy of the parenchyma of both kidneys
Case Discussion
The incidence of migration ranges from 3 to 10%, reaching 25% for some authors . Distal migration is three times more frequent than proximal migration, ranging from 0.6 to 3.5%.