Visualization of the renal vein during pyelography after nephrostomy: a case report

Geara, Abdallah S.; Kamal, Leila; El-Imad, Badiaa; El‐Sayegh, Suzanne

doi:10.1186/1752-1947-4-93

Cited by 5 publications

(4 citation statements)

References 5 publications

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“…They are considered to be compensatory mechanisms that allow the kidney to continue urine excretion . Among them, PVB is hypothesized to result from the veno‐caliceal fistula or the synchronous rupture of a vein within the renal calyceal fornix …”

Section: Discussionmentioning

confidence: 99%

“…5 Among them, PVB is hypothesized to result from the veno-caliceal fistula or the synchronous rupture of a vein within the renal calyceal fornix. 6,7 Contrast-enhanced CT is considered an alternative tool for identifying PVB in cases where RP is not applicable. Nemeth et al reported the first case where excretory phase CT revealed PVB flowing into the IVC in a patient with an abdominopelvic abscess after a cesarean section delivery.…”

Section: Discussionmentioning

confidence: 99%

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Computed tomography detected pyelovenous backflow associated with complete ureteral obstruction

et al. 2019

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Introduction Pyelovenous backflow is a rare condition resulting from an increase in pressure in the renal pelvis due to urinary obstruction. Case presentation A 49‐year‐old woman developed high‐grade fever and right‐sided hydronephrosis after undergoing hysterectomy. Although the hydronephrosis was mild, retrograde pyelography revealed complete obstruction of the right ureter. Excretory phase scans of contrast‐enhanced computed tomography showed pyelovenous backflow, which presumably decompressed the hydronephrosis. The pyelovenous backflow immediately disappeared after ureteroneocystostomy. Conclusion We were presented with a patient showing pyelovenous backflow detected by contrast‐enhanced computed tomography, which completely disappeared after ureteral obstruction release.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Computed tomography detected pyelovenous backflow associated with complete ureteral obstruction

et al. 2019

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“…There are a few cases and experimental animal studies presented in the literature that were conducted with the help of conventional radiographic techniques [ 1 , 3 , 5 , 6 ]. However, this computed tomography case revealed increased density and streaks, which started at the renal sinus and continued caudally with a lace-like pattern surrounding the proximal ureter within the retroperitoneal adipose tissue.…”

Section: Discussionmentioning

confidence: 99%

Pyelolymphatic backflow demonstrated by abdominal CT: A case report

et al. 2014

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Summary Background Pyelolymphatic backflow phenomenon, which is a subtype of pyelorenal backflow, is a rare condition that occurs during the acute phase of urinary obstruction. Pyelorenal backflow has already been described in humans with retrograde pyelography. Our report presents a rare case of pyelolyphatic backflow demonstrated by a computed tomography. Case Report A 67-year-old man with a history of bladder carcinoma was admitted to the emergency department due to right-sided flank pain and hematuria. Hematuria resolved after insertion of a 3-way urinary catheter, but flank pain persisted. As a result, an abdominopelvic CT was performed. CT revealed numerous tiny, serpiginous tubular structures connected with each other and filled with urine. They began intrarenally and extended caudally surrounding the ureter in the retroperitoneum. Subsequently, the patient underwent an ultrasound-guided nephrostomy to decompress the collecting system of the right kidney. Antegrade pyelography revealed minimal hydroneprosis. However, no leakage from the ureter to the retroperitoneum was observed, proving that the changes demonstrated by a CT were due to pyelolymphatic reflux caused by increased pressure in the collecting tubules filling the lymphatics with opaque urine. Conclusions This report presents a very rare case of pyelolymphatic reflux demonstrated by a CT. We present this case report as a reminder that although rare, pyelolymphatic reflux can occur as a result of obstruction without manifestations of hydronephrosis and it can be confused with leakage from the ureter.

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“…Abdallah Geara presented a case of visualization of the renal vein during pyelography after nephrostomy, and examination by microscopy showed the presence of tears in the fornix of the pelvic cavity that extend into the kidney parenchyma [ 7 ]. However, significant venous injuries during percutaneous renal surgery probably are under diagnosed [ 8 ].…”

Section: Discussionmentioning

confidence: 99%

Metachronous renal vein and artery injure after percutaneous nephrostolithotomy

et al. 2013

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BackgroundPercutaneous nephrostolithotomy is important approach for kidney stones removal. A percutaneous nephrostomy drainage tube placement is an effective method to stop venous bleeding. Occasionally, the catheter can pierce into the renal parenchyma, and migrate into the renal vein even to the vena cava.Case presentationA 66-year-old woman underwent a percutaneous nephrostolithotomy for kidney staghorn stone complicating severe bleeding. A computed tomography angiography showed the percutaneous nephrostomy drainage tube inside the renal vein. The percutaneous nephrostomy drainage tube was withdrawn 3 cm back to the renal parenchyma/sinus/pelvis in stages with the surgical team on standby. Seven days later, the patient developed severe hematuria. Computed tomography angiography demonstrated the pseudoaneurysm located near the percutaneous nephrostomy drainage tube. Pseudoaneurysm is embolized successfully.ConclusionOur case shows intravenous misplacement of the nephrostomy tube and subsequent pseudoaneurysm after percutaneous nephrostolithotomy. To our knowledge, this seems to be the first documentation of major bleeding from the injury to both renal vein and artery. The percutaneous nephrostomy drainage tube can be withdrawn back to the renal parenchyma/sinus/pelvis in stages with the surgical team on standby, and the withdrawn distance may vary according to patient and catheter position.

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Visualization of the renal vein during pyelography after nephrostomy: a case report

Cited by 5 publications

References 5 publications

Computed tomography detected pyelovenous backflow associated with complete ureteral obstruction

Computed tomography detected pyelovenous backflow associated with complete ureteral obstruction

Pyelolymphatic backflow demonstrated by abdominal CT: A case report

Metachronous renal vein and artery injure after percutaneous nephrostolithotomy

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