Ventilation-perfusion scan: A primer for practicing radiologists

Paul Robert Derenoncourt, Gabriel J. Felder, Henry D. Royal, Sanjeev Bhalla, Jordan A. Lang, Manuela C. Matesan, Malak Itani

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

Lung scintigraphy, or ventilation-perfusion (V/Q) scan, is one of the commonly performed studies in nuclear medicine. Owing to vari-ability in clinical applications and different departmental workflows, many trainees are not comfortable interpreting the results of this study. This article provides a simplified overview of V/Q imaging, including a review of its technique, interpretation methods, and es-tablished and emerging clinical applications. The authors review the role of V/Q imaging in evaluation of acute and chronic pulmonary embolism, including the role of SPECT/CT and comparing V/Q scan with CT angiography. In addition, a variety of other applications of pulmonary scintigraphy are discussed, including congenital heart disease, pretreatment planning for lung cancer and emphy-sema, posttransplant imaging for bronchiolitis obliterans, and less common vascular and nonvascular pathologic conditions that may be detected with V/Q scan. This article will help radiologists and residents interpret the results of V/Q scans and understand the vari-ous potential clinical applications of this study.

Original languageEnglish
Pages (from-to)2047-2070
Number of pages24
JournalRadiographics
Volume41
Issue number7
DOIs
StatePublished - Nov 1 2021

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