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Updated: May 20, 2026
07:17
Single Port Donor Nephrectomy
Published on: March 12, 2011
Relationship between colon and kidney: a critical point for percutaneous procedures
Murat Atar1, Namik Kemal Hatipoglu, Haluk Soylemez
1Department of Urology, Dicle University School of Medicine, 21280, Diyarbakir, Turkey. atarsmail@yahoo.com
Scandinavian Journal of Urology
|July 31, 2012
Summary
Retrorenal colon variations occur in 1.7% of patients, with interposition detected in 3.2%. Awareness of colonic anatomy near the kidney is crucial for preventing injury during procedures.
Area of Science:
- Radiology
- Anatomy
- Surgical Safety
Background:
- Anatomical variations of the colon in relation to the kidney are not well-documented.
- Understanding these variations is important for interventional radiology and surgery.
Purpose of the Study:
- To determine the frequency of anatomical variations of the colon associated with the kidney.
- To assess the prevalence of retrorenal colon and colonic interposition.
Main Methods:
- Retrospective analysis of 1000 abdominal computed tomography (CT) scans.
- Evaluation of colon position relative to the kidney at three renal levels.
- Grading of perinephric fat tissue.
Main Results:
- Retrorenal colon identified in 1.7% of patients (1.2% left, 0.3% right, 0.2% bilateral).
- Colonic interposition detected in 3.2% of patients (3% right, 0.2% left).
- Most variations occurred at the lower pole of the kidney.
Conclusions:
- The risk of colonic injury during percutaneous procedures, particularly near the lower pole of the left kidney, should be considered.
- These anatomical variations are relevant regardless of patient age or gender.
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