Presentation
Pain in right lumbar region
Patient Data
Age: 30 years
Gender: Male
From the case:
Horseshoe kidney
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Lower poles of both kidneys are fused across the midline by an isthmus representing horse shoe kidney.
Calculus is seen in right renal pelvis. Mild hydronephrosis is also seen on right side.
Case Discussion
Horseshoe kidney is the most common type of renal fusion anomaly, occurring in 1:400-500 adults with a male predominance of 2:1. They are susceptible to blunt trauma and have increased risk of developing transitional cell carcinoma.