Question:medium
What is the diagnosis based on the following X-ray?
What is the diagnosis based on the following X-ray?
Show Hint
Oval radiopaque shadows centrally in the pelvis.
Updated On: Jun 24, 2026
- Uterine Fibroid
- Bladder Carcinoma
- Bladder stone
- Renal Tuberculosis
Show Solution
The Correct Option is C
Solution and Explanation
Step 1: Locate the densities. Several smooth oval opacities sit in the center of the bony pelvis, matching where the urinary bladder lies.
Step 2: Match the pattern. A plain KUB is the first-line imaging for urinary stones, and bladder calculi classically present as round-to-oval, sometimes laminated, radiopaque shadows in the pelvic midline. Calcium-containing stones are dense enough to be seen, while pure uric acid stones are radiolucent.
Step 3: Eliminate other choices. Fibroids show coarse popcorn calcification in the uterus, bladder cancer is a non-calcified soft tissue lesion, and renal TB calcifies the kidney itself. None give multiple discrete pelvic stones.
Central, oval, radiopaque pelvic lesions point to one answer.\[\boxed{\text{Bladder stone}}\]
Step 2: Match the pattern. A plain KUB is the first-line imaging for urinary stones, and bladder calculi classically present as round-to-oval, sometimes laminated, radiopaque shadows in the pelvic midline. Calcium-containing stones are dense enough to be seen, while pure uric acid stones are radiolucent.
Step 3: Eliminate other choices. Fibroids show coarse popcorn calcification in the uterus, bladder cancer is a non-calcified soft tissue lesion, and renal TB calcifies the kidney itself. None give multiple discrete pelvic stones.
Central, oval, radiopaque pelvic lesions point to one answer.\[\boxed{\text{Bladder stone}}\]
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