A Rare Case of Incidentally Detected Fused Supernumerary Kidney

Congenital renal anomalies are one of the most common congenital malformations. Supernumerary kidney is rare among these anomalies. A 78-year-old female patient, without urinary system complaints, was screened by abdominal computed tomography for staging of endometrial cancer. A supernumerary kidney fusing with the upper pole of right kidney was detected. Accessory kidney was located superomedial to the right kidney and was smaller than the normal kidney but there was no other pathology. In asymptomatic cases, follow-up is recommended due to increased risk of malignancy, for this reason, accurate diagnosis and follow-up are important.

Nadir Görülen İnsidental Füzyone Aksesuar Böbrek Olgusu

Konjenital böbrek anomalileri sık görülen konjenital anomalilerdendir. Bu anomaliler içerisinde ise en nadir saptananlardan biri aksesuar böbrektir. Üriner sistem yakınmaları olmayan 78 yaşındaki kadın hastaya endometriyum kanseri evrelemesi için abdominal bilgisayarlı tomografi çekimi gerçekleştirildi. İnsidental olarak sağ böbrek üst polüne füzyone aksesuar böbrek tespit edildi. Aksesuar böbrek sağ böbreğin süperomedialinde yerleşimliydi ve boyutu sağ böbrekten daha küçüktü. Ek patolojik bulgu mevcut değildi. Ancak asemptomatik olgularda artmış malignite riski nedeniyle doğru tanı konulması ve takip önem arz etmektedir.

Kaynakça

Ramanathan S, Kumar D, Khanna M., Al Heidous M, Sheikh A, Virmani V, Palaniappan Y. Multi-modality imaging review of congenital abnormalities of kidney and upper urinary tract. World J Radiol 2016;8:132.

Favorito LA, Morais AR. Evaluation of supernumerary kidney with fusion using magnetic resonance image. Int. Braz J Urol 2012;38:428-429.

Khalda E, Singh GN, Mandal AK, Kumar R. Unilateral supernumerary kidney with contra lateral hydronephrosis- a rare case report. Australas Med J 2014;7:213-217.

Sureka B, Mittal MK, Mittal A, Sinha M, Thukral BB. Supernumerary kidneys-- a rare anatomic variant. Surg Radiol Anat 2014; 36: 199-202.

Sen V, Bozkurt IH, Yonguc T, Aydogdu O, Basmaci I. A rare case of supernumerary fused and malrotated kidney. Int. Braz J Urol 2017;43:561- 562.

Jamshidian H, Tavakoli K, Salahshour F, Nabighadim A, Amini E. Supernumerary Kidney Associated with Horseshoe Malformation: A Case Report and Review of Literature. Urol Case Rep 2017;11:57-59.

Keskin S, Batur A, Keskin Z, Koc A, Firat Ozcan I. Bilateral supernumerary kidney: a very rare presentation. Iran J Radiol 2014;11:e11069.

Suresh J, Gnanasekaran N, Dev B. Fused supernumerary kidney. Radiol Case Rep 2011;6:552.

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