Free Supernumerary Kidney: Report of a Case

Wulfekuhler, Warren Y.; Dube, Volker E.

doi:10.1016/s0022-5347(17)61402-2

Cited by 8 publications

(4 citation statements)

References 5 publications

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“…Supernumerary kidneys are encapsulated and completely separated from the ipsilateral kidney [1]. They are most commonly located on the left side of the abdomen in a caudal position relative to the ipsilateral kidney [2].…”

Section: Discussionmentioning

confidence: 99%

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Ectopic supernumerary kidney: Another cause of a pelvic mass

et al. 1994

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Section: Discussionmentioning

confidence: 99%

“…In addition, it has its own ureter which can open into the bladder or into the ipsilateral ureter. Rarely, the ureter can insert ectopically into the vagina, vulva, male urethra, or female urethra [ 1 ].…”

Section: Discussionmentioning

confidence: 99%

Ectopic supernumerary kidney: Another cause of a pelvic mass

et al. 1994

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“…Supernumerary kidneys (SKs) are usually one [1], rarely two [2–5] additional kidneys, distinguished from the significantly more common duplex kidneys by the fact that they are not fused with the other kidney and have their own capsule and blood supply [1]. Most SKs are smaller than normal kidneys [6], but they can also be larger [1, 6, 7]. SKs are usually located caudal, less frequently cranial to the ipsilateral kidney [1].…”

Section: Introductionmentioning

confidence: 99%

“…They are – however – often accompanied by urolithiasis, pyonephrosis, infections or hydronephrosis [1, 6, 11]. Individual cases have also been reported in which an associated adenocarcinoma [12], a Wilms tumor [13] or a cyst [7] were observed. Furthermore, SKs can be subject to traumatic injuries [14].…”

Section: Introductionmentioning

confidence: 99%

Supernumerary kidneys: a clinical and radiological analysis of nine cases

et al. 2019

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Background A supernumerary kidney (SK) is an additional kidney with its own capsule and blood supply that is not fused with the ipsilateral kidney (IK). Because individual case reports indicate a high morbidity rate, the aim of this retrospective study was a detailed analysis of this rare anatomical variant. Methods Our systematic imaging-based search for SKs, conducted in the period from 2000 and to 2017, yielded 9 cases in total (5 men, 4 women; mean age: 51.8 ± 22.8 years). Results The SKs were observed on the right in six and on the left side in three cases. In six subjects (66%) they were located caudal and in three cases (33%) cranial to the ipsilateral kidney. Calculi were found in three (33%) of the renal collecting systems. Five (56%) of the SKs had hydronephrosis grade IV and one SK had recurrent pyelonephritis (11%). Two of the ureters opened into the ipsilateral seminal vesicle (22%). Two (22%) SKs were functional but atrophic. Clinically relevant findings were made in 33% of the IKs: atrophy (n = 2), calculi (n = 1), and reflux with recurrent pyelonephritis (n = 1); another 33% had anatomical anomalies without functional impairment. The correct diagnosis of a SK is possible using CT imaging in all subjects. The prevalence of SK based on CT imaging can be estimated to be 1:26750. Conclusions CT is the method of choice for visualizing SKs. The correct diagnosis is crucial in preventing dispensable surgical procedures and for providing optimal patient treatment and outcome.

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Unilateral supernumerary kidney associated with hypertensive encephalopathy in a child

Komolafe

1983

Pediatr Radiol

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Free Supernumerary Kidney: Report of a Case

Cited by 8 publications

References 5 publications

Ectopic supernumerary kidney: Another cause of a pelvic mass

Ectopic supernumerary kidney: Another cause of a pelvic mass

Supernumerary kidneys: a clinical and radiological analysis of nine cases

Unilateral supernumerary kidney associated with hypertensive encephalopathy in a child

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