Mid-ureteric calculus

Case contributed by Dr Aditya Shetty

Presentation

right flank pain; ultrasound shows proximal hydroureter and mild hydronephrosis

Patient Data

Age: 30
Gender: Male
X-ray

Scout: apparently normal with no evidence of calculus

10 min film: right sided proximal hydroureter and mild dilatation of pelvicalyceal system

15 min film: findings are persistent and a filling defect is noted at the L3-L4 level

X-ray

Arrows points to a low density calculus

Case Discussion

Case of right sided midureteric calculus (low density)

Cystine and uric acid stones are the low density stones

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