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A study of the variation of colonic positioning in the pararenal space as shown by computed tomography
P Prassopoulos1, N Gourtsoyiannis, D Cavouras
1Department of Diagnostic Radiology, Airforce General and V.A. Hospital, Athens, Greece.
European Journal of Radiology
|January 1, 1990
Abstract:
In a review of 1708 consecutive CT examinations of the abdomen the position of the ascending and descending colon in relation to the posterior and lateral edge of the kidney was studied. It was found that part of the colon was positioned posterior or posterolateral to the kidney's edge in percentages that varied between 14.2% and 0.9% in the different sex groups at the levels of upper, mid- and lower poles of the right and left kidney. It is concluded that this anatomical variation should be known if colon perforation is to be avoided during percutaneous nephrostomy or biopsy.