Case Report Incidentally detected right partially fused, malrotated, supernumerary kidney

Nishanth Raavani Kumaraswamy, Sushmita Balol, Vittal Manohar, Yashwanth Naik, Shubha Tavarakere Shamasundara

South African Journal of Radiology | Vol 29, No 1 | a3054 | DOI: https://doi.org/10.4102/sajr.v29i1.3054 | © 2025 Nishanth Raavani Kumaraswamy, Sushmita Balol, Vittal Manohar, Yashwanth Naik, Shubha Tavarakere Shamasundara | This work is licensed under CC Attribution 4.0
Submitted: 20 October 2024 | Published: 17 February 2025

About the author(s) Nishanth Raavani Kumaraswamy, Department of Radiodiagnosis, Mysore Medical College and Research Institute, Mysore, India
Sushmita Balol, Department of Radiodiagnosis, Mysore Medical College and Research Institute, Mysore, India
Vittal Manohar, Department of Radiodiagnosis, Mysore Medical College and Research Institute, Mysore, India
Yashwanth Naik, Department of Radiodiagnosis, Mysore Medical College and Research Institute, Mysore, India
Shubha Tavarakere Shamasundara, Department of Radiodiagnosis, Mysore Medical College and Research Institute, Mysore, India

Abstract

Supernumerary kidney (SK) is an uncommon anomaly of the urinary tract, usually occurring on the left side. A rare case of a partially-fused, SK on the right side is presented. The diagnosis is made through the identification of a distinct pelvicalyceal system along with its supplying renal artery and vein, utilising ultrasound, CT, or MRI.

Contribution: Correct diagnosis of partially-fused, supernumerary kidneys based on imaging is crucial to avoid unnecessary procedures, so that asymptomatic cases are managed conservatively.

Keywords

supernumerary kidney; congenital anomalies; renal anomalies; genitourinary system; malrotated kidney.

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