Right supernumerary kidney: A rare entity

Kumar, Manjeet; Kumar, Girish; Barwal, Kailash; Raina, Pamposh

doi:10.1016/j.eucr.2019.01.001

Cited by 11 publications

(13 citation statements)

References 3 publications

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“…A supernumerary kidney can be distinguished from a duplex kidney by the presence of its own arterial and venous supply, pelvicalyceal system, and renal capsule. Supernumerary kidneys are more often located on the left than on the right side and may be partially fused [6][7][8]. Rare cases of supernumerary kidneys in conjunction with a horseshoe anomaly have also been reported [9][10][11].…”

Section: Discussionmentioning

confidence: 99%

“…Numerous associations have been made between supernumerary kidneys and other anomalies that fall into the VACTERL pattern of birth defects, an acronym which identifies a non-random co-occurrence of vertebral defects (V), anal atresia (A), cardiac defects (C), tracheoesophageal fistula (TE), renal anomalies (R), and limb abnormalities (L). These include ectopic ureteral opening, urethral or penile duplication, ureteral atresia, imperforate anus, ventricular septal defects, coarctation of the aorta, and meningomyelocele [8,[12][13][14][15]. In this case, the patient had associated findings of anal atresia and spina bifida occulta.…”

Section: Discussionmentioning

confidence: 99%

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Crossed Renal Ectopia with a Fused Supernumerary Kidney

Rahim

Mittal

2020

Cureus

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Crossed fused renal ectopia and the presence of a supernumerary kidney are both rare congenital variants that are often asymptomatic but may be associated with other developmental anomalies. Here we present a case of a 20-year-old male with a known diagnosis of crossed fused renal ectopia as well as a history of imperforate anus and tethered spinal cord treated in infancy. He presented to the emergency room with symptoms of flank pain, and a noncontrast computed tomography (CT) scan revealed a 4-mm stone in the distal left ureter. CT scan also revealed that the patient's right kidney was not crossed and fused to the left kidney as previously believed, but rather it was crossed and fused to a supernumerary kidney abutting the inferomedial aspect of an orthotopic left kidney. This is a unique example of two rare coexisting renal anomalies not previously detected on a nuclear medicine renal scan and serial renal ultrasounds obtained earlier in the the patient's life.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Crossed Renal Ectopia with a Fused Supernumerary Kidney

Rahim

Mittal

2020

Cureus

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“…[ 6 ] Compared with a duplex kidney, a supernumerary kidney has a separate arterial supply originating from the aorta, venous drainage via the inferior vena cava, pelvicalyceal system, and distinct renal capsule. [ 3 , 7 , 8 ] A supernumerary kidney is usually present on the left side. Although there are several bilateral supernumerary kidney reports, it is extremely rare to have a right unilateral supernumerary kidney, with only 2 cases were reported thus far.…”

Section: Discussionmentioning

confidence: 99%

“…Although there are several bilateral supernumerary kidney reports, it is extremely rare to have a right unilateral supernumerary kidney, with only 2 cases were reported thus far. [ 3 , 4 , 9 ]…”

Section: Discussionmentioning

confidence: 99%

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Right supernumerary kidney with urothelial carcinoma

Gao¹,

Xing²,

Luo³

et al. 2020

Medicine

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Rationale: A supernumerary kidney is an extremely rare renal anomaly. Currently, <100 cases are reported in the literature. There are only 2 right unilateral supernumerary kidneys reported in the literature thus far, but no confirmed cases of urothelial carcinoma in supernumerary kidneys. We report a case of a right supernumerary with urothelial carcinoma, which is, to the best of our knowledge, reported for the first time. Patient concerns: A 73-year-old female patient presented with intermittent, painless, whole course and gross hematuria for about 3 months. Her physical and laboratory examinations did not reveal any significant findings except positive occult blood in routine urine examination. Contrast-enhanced spiral computed tomography revealed a dysplastic supernumerary kidney under the normal right kidney. Diagnoses: The ureteroscopy showed that the ureter was Y-shaped in the middle part. The medial ureter led to a normal kidney. The lateral ureter was just 2 cm and led to a small cavity in which there was a mass whose biopsy showed urothelial carcinoma. The patient was subsequently diagnosed with a right supernumerary kidney with urothelial carcinoma. Intervention: Nephroureterectomy, including the right normal and supernumerary kidneys, and partial cystectomy by laparoscopy were performed after the ureteroscopy. The patient then received 6 cycles of gemcitabine and cisplatin regimen chemotherapy and regular intravesical epirubicin chemotherapy. Outcomes: No recurrence or metastasis was found on follow-up computed tomography performed 13 months postoperatively. Lessons: A supernumerary kidney is an extremely rare renal anomaly. Malignancy can occur in supernumerary kidneys.

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Right iliac fossa kidney: Differential diagnoses

Doherty

Wolowczyk

2021

Clinical Case Reports

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A right iliac fossa kidney is rarely encountered by the general clinician but multiple diagnoses should be considered. K E Y W O R D S hernia, kidney, renal transplant, right iliac fossa F I G U R E 1 A 78-y-old gentleman was seen in the vascular surgery clinic due to peripheral arterial disease. Computed tomography discovered unconventional visceral arrangement. In this case, a large right inguinal hernia has distorted the usual retroperitoneal anatomy and migrated the right kidney to the right iliac fossa, approaching the hernia neck. The right kidney exhibits a degree of hydronephrosis This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

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Right supernumerary kidney: A rare entity

Abstract: The supernumerary kidney especially on right side is a rare diagnosis. Only few case reports are documented in literature. We report a case of Right supernumerary kidney with partial fusion of right accessory kidney to upper kidney.

Cited by 11 publications

References 3 publications

Crossed Renal Ectopia with a Fused Supernumerary Kidney

Crossed Renal Ectopia with a Fused Supernumerary Kidney

Right supernumerary kidney with urothelial carcinoma

Right iliac fossa kidney: Differential diagnoses

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