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Related Experiment Videos

Bone scan as a stratification variable in advanced prostate cancer.

G Knudson1, G Grinis, V Lopez-Majano

  • 1Division of Urology, University of Illinois Hospital, Chicago.

Cancer
|July 15, 1991
PubMed
Summary
This summary is machine-generated.

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Serial bone scans reveal that advanced prostate cancer (Stage D-2) most commonly spreads to the vertebrae, ribs, and pelvis. Fewer affected bone areas correlate with longer survival, suggesting bone scan data

Area of Science:

  • Oncology
  • Nuclear Medicine
  • Radiology

Background:

  • Prostate cancer, particularly Stage D-2, frequently metastasizes to bone.
  • Accurate staging and prognostication are crucial for effective treatment planning.

Purpose of the Study:

  • To analyze the patterns of bone metastases in Stage D-2 prostate cancer using technetium-99m bone scans.
  • To evaluate the prognostic significance of the extent of skeletal involvement.

Main Methods:

  • Retrospective review of serial technetium-99m bone scans in 76 patients with Stage D-2 prostate cancer.
  • Analysis of metastatic sites and correlation with progression-free interval and survival time.

Main Results:

  • The most common sites of skeletal metastases were vertebrae, ribs, and pelvis.

Related Experiment Videos

  • Patients with one or two involved skeletal areas demonstrated significantly longer progression-free intervals and survival times compared to those with three or more areas.
  • Increased number of metastatic bone sites correlated with poorer outcomes.

    • Conclusions:

    • The extent of skeletal involvement on bone scans is a significant prognostic factor in Stage D-2 prostate cancer.
    • Bone scan findings can potentially serve as a stratification variable in clinical trials for this patient population.