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Surg Radiol Anat. 2014 Jan;36(1):67-70. doi: 10.1007/s00276-013-1139-8. Epub 2013 May 23.

Investigation of the retrorenal colon frequency using computed tomography in patients with advanced scoliosis.

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Department of Radiology, Dicle University Medical Faculty, 21280, Diyarbakır, Turkey,



The aim of this study is to investigate the frequency of retrorenal colon in patients with advanced scoliosis.


The existence of retrorenal colon was retrospectively investigated in 550 patients with vertebral scoliosis who had undergone abdominal CT scans at our institution between January 2008 and March 2012. The investigation was also carried out on a control group of 200 patients without scoliosis.


Among the 550 patients with scoliosis, 100 patients had advanced scoliosis necessitating treatment. Among these 100 patients with advanced scoliosis, retrorenal colon was detected in a total of 25 patients (25 %). The variation was observed on the right side in eight patients (two males, six females) (8 %), on the left side in 15 patients (five males, ten females) (15 %), and bilaterally in two patients (both females) (2 %). In the control group consisting of 200 individuals, retrorenal colon was detected in seven subjects (3.5 %), among which six were on the left and one was on the right. The difference between the incidence of retrorenal colon observed in the patients with advanced scoliosis and those without scoliosis was found to be statistically significant (p < 0.001).


Since the frequency of retrorenal colon in patients with advanced scoliosis is significantly higher than the control group without scoliosis, the risk of experiencing complications during renal interventions including renal biopsy is also higher. Therefore, these patients should undergo a detailed CT examination before these procedures, and renal interventions should be planned according to findings.

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