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[CT findings complicating percutaneous nephrostomy, lithotomy and lithotripsy]
1Department of Radiology, Center for Adult Diseases, Kurashiki.
Summary
Computed tomography (CT) scans revealed complications in 17.9% of patients undergoing percutaneous nephrostomy, lithotomy, and lithotripsy. CT imaging accurately identified renal hemorrhage and contrast material extravasation, guiding conservative treatment choices.
Area of Science:
- Urology
- Radiology
- Nephrology
Background:
- Percutaneous nephrostomy, lithotomy, and lithotripsy are common urological procedures.
- Complications can arise from these interventions, necessitating accurate diagnostic methods.
- Computed tomography (CT) is a key imaging modality in evaluating post-procedural outcomes.
Observation:
- A review of CT scans from 78 patients undergoing these procedures identified complications in 14 cases (17.9%).
- Common findings included renal and perirenal hematomas (5 cases) and retroperitoneal contrast collections (5 cases).
- CT effectively visualized the extent and anatomical distribution of renal hemorrhage and contrast extravasation.
Findings:
- CT scans clearly demonstrated renal hemorrhage and contrast material extravasation in the retroperitoneum.
- Pleural effusions were observed in three cases, associated with blood or contrast in the posterior pararenal space.
- No immediate surgical intervention was required for the identified complications.
Implications:
- CT imaging plays a crucial role in diagnosing and characterizing complications following percutaneous urological interventions.
- The detailed anatomical information provided by CT aids in selecting appropriate conservative management strategies.
- This highlights the importance of CT in the post-operative care of patients undergoing nephrostomy, lithotomy, and lithotripsy.