A study of the variation of colonic positioning in the pararenal space as shown by computed tomography

Prassopoulos, Panos; Gourtsoyiannis, N.; Cavouras, Dionisis; Pantelidis, N.

doi:10.1016/0720-048x(90)90086-q

Cited by 45 publications

(22 citation statements)

References 14 publications

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“…These findings may explain the greater incidence of colonic perforation during left-sided, lower calyceal approaches. In an interesting study, Prassopoulos et al [16] reviewed 1,708 consecutive abdominal CT scans and found that 0.9-14.2% of patients had parts of the colon posterior or posterior-laterally to the kidney. This anatomical abnormality cannot be picked up by intravenous urography or pre-operative ultrasound (US) both of which are commonly employed to evaluate patients prior to PCNL.…”

Section: Discussionmentioning

confidence: 97%

Colon perforation during percutaneous renal surgery: a 10-year experience in a single endourology centre

et al. 2012

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Section: Discussionmentioning

confidence: 97%

Colon perforation during percutaneous renal surgery: a 10-year experience in a single endourology centre

et al. 2012

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“…If the ascending colon is superimposed on this line or lies behind it, it is considered to be at risk during a PCNL. 3 …”

Section: Discussionmentioning

confidence: 99%

“…1 Retrorenal position of colon has been reported in 1-14% of the population. 2,3 Retrorenal colon is normally seen on left side near inferior pole of left kidney.…”

Section: Introductionmentioning

confidence: 99%

Bilateral retrorenal colon-a case report

et al. 2017

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Ascending and descending colon normally lie in anterior pararenal space anterior to kidneys. Extension of colon behind kidney is rare. It is more frequently found on the left side behind lower pole of the left kidney. Bilateral retrorenal colon is rare. Its detection is important prior to Retrorenal, Percutaneous nephrolithotomy (PCNL) to avoid complications. We report a case of bilateral retrorenal colon detected incidentally in a case of obstructive jaundice.

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“…In any case, there has to be a colon loop in an abnormal anatomical position behind the kidney. In an interesting study, Prassopoulos et al [13] looked at 1,708 consecutive abdominal CT scans. What they found was that between 0.9% and as much as 14.2% of the patients had parts of the colon positioned posteriorly or posterolaterally to one of the kidneys.…”

Section: Discussionmentioning

confidence: 99%

Colon Perforation after Percutaneous Nephrolithotomy Revisited

Buchholz

2004

Urol Int

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Objective was to remind the reader of a rare but nevertheless serious complication of percutaneous nephrolithotomy (PCNL) which is further complicated by the lack of pre-operative and intra-operative warning signs. A patient underwent an apparently normal PCNL. Only just before removal of the nephrostomy tube, signs of colonic perforation became apparent. In spite of no clinical signs of sepsis or shock, the patient developed severe complications during and after the ensuing surgery. Every urologist, surgeon, or radiologist performing PCNL must be aware of the risk of an aberrant retrorenal colon loop, the perforation of which will most likely not be noticed during the procedure. Abdominal symptoms of a more general nature must lead to the active exclusion of this complication. If a CT scan has been performed pre-operatively for whatever reason, attention should be paid to the juxtarenal colon. Although a CT scan can exclude a retrorenal colon, such a procedure would exceed the needs and limitations of routine evaluation in all patients for PCNL.

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A study of the variation of colonic positioning in the pararenal space as shown by computed tomography

Cited by 45 publications

References 14 publications

Colon perforation during percutaneous renal surgery: a 10-year experience in a single endourology centre

Colon perforation during percutaneous renal surgery: a 10-year experience in a single endourology centre

Bilateral retrorenal colon-a case report

Colon Perforation after Percutaneous Nephrolithotomy Revisited

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