الفهرس 
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Abstract
Aim of the work
To evaluate the role of computed tomography guided percutaneous nephrostomy in patients with obstructive uropathy and compare its yield with the other techniques.
Conclusion
Computed tomography as an imaging guidance modality used an percutaneous nephrostomy tube placement offers the best benefits of the procedure as the selection of a precise point incise the collecting system can be obtained and achieved. Also computed tomography offers the demonstration of the related organs especially the pleural reflections.
In this study, computed tomography proved to be better in average sized kidney with minimal backpressure changes or even in normal pelvicalyceal systems with the lowest rate of complications.