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Related Experiment Videos

Bone pathologic correlation of multimodality imaging in Paget's disease

Y W Bahk1, Y H Park, S K Chung

  • 1Department of Radiology, Kangnam St. Mary's Hospital, Catholic University Medical College, Seoul, Korea.

Journal of Nuclear Medicine : Official Publication, Society of Nuclear Medicine
|August 1, 1995
PubMed
Summary

Pinhole bone scintigraphy can identify characteristic Paget's disease patterns. This technique reveals specific tracer uptake in affected bone cortex and rims, aiding diagnosis.

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Area of Science:

  • Nuclear Medicine
  • Radiology
  • Orthopedics

Background:

  • Paget's disease of bone involves active lysis and sclerosis, leading to intense tracer uptake on bone scans.
  • Differentiating Paget's disease from other conditions with similar tracer uptake (infections, metastases) can be challenging.
  • Pinhole bone scintigraphy offers potential for identifying specific diagnostic signs in skeletal diseases.

Observation:

  • Two patients with Paget's disease underwent 99mTc-oxidronate pinhole bone scintigraphy of the skull, vertebrae, ribs, humerus, sacrum, and ilium.
  • Findings were correlated with radiographic, CT, MRI, and pathological studies.
  • Pinhole scintigraphy revealed intense tracer uptake predominantly in the bone cortex and rims of affected areas.

Findings:

  • Characteristic scintigraphic patterns were observed, corresponding to radiographic signs like "cotton wool," "casket," and "picture frame."

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  • Specific uptake was noted in the cranial inner table, humeral cortex, and vertebral endplates/rims.
  • Pagetic lesions in the sacrum and ilium also demonstrated intense cortical and rim uptake.

    • Implications:

    • Pinhole bone scintigraphy demonstrates characteristic cortical and rim tracer uptake patterns in Paget's disease.
    • This technique aids in differentiating Paget's disease from other bone pathologies.
    • Findings suggest pinhole bone scintigraphy is a valuable tool for diagnosing Paget's disease of bone.