1987
DOI: 10.1097/00004728-198705000-00021
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Computed Tomography of Ureteral Disruption

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Cited by 49 publications
(17 citation statements)
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“…Typical symptoms of delayed leak were fever, ileus, wound leakage (cutaneous fistula) and flank mass. With the contemporary widespread use of CT for evaluating the polytraumatized patient, blunt ureteric injuries are now more routinely diagnosed by CT. Extravasation of contrast medium confined predominantly to the medial perirenal space is the most consistent finding of blunt PUJ injury [36,39,41]. Absence of contrast material in the distal ureter, on delayed CT images, is diagnostic of a complete ureteric transection.…”
Section: Risk Factors/preventionmentioning
confidence: 98%
See 1 more Smart Citation
“…Typical symptoms of delayed leak were fever, ileus, wound leakage (cutaneous fistula) and flank mass. With the contemporary widespread use of CT for evaluating the polytraumatized patient, blunt ureteric injuries are now more routinely diagnosed by CT. Extravasation of contrast medium confined predominantly to the medial perirenal space is the most consistent finding of blunt PUJ injury [36,39,41]. Absence of contrast material in the distal ureter, on delayed CT images, is diagnostic of a complete ureteric transection.…”
Section: Risk Factors/preventionmentioning
confidence: 98%
“…Absence of contrast material in the distal ureter, on delayed CT images, is diagnostic of a complete ureteric transection. Additional CT findings that distinguish PUJ injuries from renal parenchymal injuries are intact renal parenchyma and lack of perirenal haematoma [36,39]. With rapid sequence spiral CT this cannot be assessed unless delayed (excretory) films are obtained [41,75].…”
Section: Risk Factors/preventionmentioning
confidence: 99%
“…Grade IV traumas comprise cortical-medullary lacerations extending to the collecting system and injuries to the renal artery and vein with contained haemorrhage. A topographical criterion for CT recognition of injury to the calyceal system is the detection on delayed postcontrast CT images of urinary extravasion in the posterolateral perirenal space, in contrast to what happens in injuries to the renal pelvis, ureteropelvic junction or ureters, in which the urine typically collects medially [7,8,29,30], at times along the course of the ureter. In 1995, Moore et al [28] also included segmental infarctions among grade IV injuries; these are caused by thrombosis, dissection or laceration of segmental arteries and appear as nonperfused wedgeshaped areas with apex facing the renal hilum and base facing the capsule, the profile of which appears sharp, regular and well delimited [7,9,13].…”
Section: Classification Of Renal Injuriesmentioning
confidence: 99%
“…I traumi di grado IV comprendono: lacerazioni cortico-midollari che coinvolgono il sistema collettore e i traumi dell'arteria e della vena renale con emorragia contenuta. Criterio topografico di riconoscimento alla TC di un trauma del sistema caliceale è l'identificazione, nelle fasi tardive di studio postcontrastografico, di stravaso di urina iodata nello spazio perirenale postero-laterale, a differenza di quello che succede nei traumi della pelvi, della giunzione pielo-ureterale o propriamente ureterali in cui l'urina iodata si raccoglie, classicamente, in sede mediale [7,8,29,30], talora distribuendosi lungo il decorso dello stesso uretere. Nel 1995, Moore et al [28] riportano come traumi di grado IV anche gli infarti segmentari, aree non perfuse cuneiformi con apice all'ilo e base rivolta verso la capsula renale il cui profilo appare netto regolare e ben delineato, causati da trombosi, dissezione o lacerazioni di arterie segmentarie [7,9,13].…”
Section: Classification Of Renal Injuriesunclassified
“…Contrast extravasation confined predominantly to the medial peri-renal space is the most consistent finding. 30 The absence of contrast material in the distal ureter on delayed CT images is diagnostic of a complete ureteric transection.…”
Section: Computed Tomographymentioning
confidence: 99%