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Related Experiment Videos

Bone tracer uptake in a ureteric calculus

C B Styles1, R E Niekrash

  • 1Department of Medical Imaging, Geelong Hospital, Victoria, Australia.

Australasian Radiology
|March 24, 1998
PubMed
Summary
This summary is machine-generated.

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Technetium-99m methylene diphosphonate bone scans can detect ureteric calculi. This imaging finding aided in diagnosing and treating a patient with a magnesium ammonium phosphate stone.

Area of Science:

  • Nuclear medicine
  • Urology
  • Nephrology

Background:

  • Bone scintigraphy using Technetium-99m methylene diphosphonate is a standard diagnostic tool.
  • Ureteric calculi can cause significant patient discomfort and potential renal complications.
  • Early and accurate diagnosis of ureteric stones is crucial for timely intervention.

Observation:

  • Technetium-99m methylene diphosphonate demonstrated unexpected focal uptake within a left ureteric calculus.
  • The calculus was mildly obstructive, prompting further investigation.
  • The patient's clinical presentation was initially suggestive of other conditions.

Findings:

  • The ureteric calculus was confirmed to be the site of tracer concentration.
  • Histopathological analysis revealed the stone was primarily composed of magnesium ammonium phosphate.

Related Experiment Videos

  • Autoradiography showed peripheral distribution of the Technetium-99m methylene diphosphonate tracer within the calculus.

    • Implications:

    • Bone scintigraphy may serve as an adjunct diagnostic method for identifying ureteric calculi in specific clinical scenarios.
    • Understanding tracer behavior in calculi can refine diagnostic interpretations.
    • This case highlights the importance of considering unexpected findings in nuclear medicine imaging for comprehensive patient care.