Pyelolithiasis

Case contributed by Dennis Odhiambo Agolah
Diagnosis almost certain

Presentation

Left iliac fossa abdominal pains radiating to the renal angle.

Patient Data

Age: 35 years
Gender: Male
ultrasound

The left kidney shows a solitary small-sized (1.82 x 0.81 cm) hyperechoic and posteriorly shadowing calcific focus centrally located within the ipsilateral left renal pelvis. The focus demonstrates a positive twinkling artefact on color Doppler interrogation and mild calyectasis ipsilaterally.

Case Discussion

Posteriorly shadowing calcific focus (calculus) with a positive twinkling artefact centrally located within the left renal pelvis results in mild calyectasis, suggesting partially obstructive small solitary pyelolithiasis.

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