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Ventilation-Perfusion Scan: A Primer for Practicing Radiologists.

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This review simplifies ventilation-perfusion (V/Q) imaging interpretation for trainees. It covers V/Q scan techniques, applications for pulmonary embolism, and other conditions like congenital heart disease and lung cancer.

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Area of Science:

  • Nuclear Medicine
  • Radiology
  • Pulmonary Imaging

Background:

  • Ventilation-perfusion (V/Q) scans are common nuclear medicine studies.
  • Interpretation can be challenging for trainees due to varied applications and workflows.
  • A simplified overview is needed to improve understanding and confidence.

Purpose of the Study:

  • To provide a simplified overview of V/Q imaging.
  • To review V/Q scan technique, interpretation, and clinical applications.
  • To aid radiologists and residents in interpreting V/Q scans.

Main Methods:

  • Review of established and emerging clinical applications of V/Q imaging.
  • Discussion of V/Q scan's role in pulmonary embolism evaluation.
  • Comparison of V/Q scan with CT angiography and SPECT/CT.

Main Results:

  • V/Q imaging is valuable for acute and chronic pulmonary embolism.
  • Applications extend to congenital heart disease, lung cancer planning, and post-transplant imaging.
  • SPECT/CT offers enhanced visualization and diagnostic capabilities.

Conclusions:

  • V/Q scintigraphy is a versatile tool with broad clinical utility.
  • Understanding its interpretation is crucial for effective patient management.
  • This review enhances the ability of radiologists to utilize V/Q scans.