SPECT in acute pulmonary embolism

Paul D. Stein, Leonard M. Freeman, Henry Dirk Sostman, Lawrence R. Goodman, Pamela K. Woodard, David P. Naidich, Alexander Gottschalk, Dale L. Bailey, Fadi Matta, Abdo Y. Yaekoub, Charles A. Hales, Russell D. Hull, Kenneth V. Leeper, Victor F. Tapson, John G. Weg

Research output: Contribution to journalReview articlepeer-review

73 Scopus citations


The purpose of this review was to evaluate the accuracy of SPECT in acute pulmonary embolism. Sparse data are available on the accuracy of SPECT based on an objective reference test. Several investigations were reported in which the reference standard for the diagnosis of pulmonary embolism was based in part on the results of SPECT or planar ventilation-perfusion (V/Q) imaging. The sensitivity of SPECT in all but one investigation was at least 90%, and specificity also was generally at least 90%. The sensitivity of SPECT in 4 of 5 investigations was higher than that of planar V/Q imaging. The specificity of SPECT was generally higher, equal, or only somewhat lower than that of planar V/Q imaging. Most investigators reported nondiagnostic SPECT V/Q scans in no more than3%of cases. Methods of obtaining SPECT images, methods of obtaining planar V/Q images, and the criteria for interpretation varied. The general impression is that SPECT is more advantageous than planar V/Q imaging.

Original languageEnglish (US)
Pages (from-to)1999-2007
Number of pages9
JournalJournal of Nuclear Medicine
Issue number12
StatePublished - Dec 1 2009


  • Pulmonary embolism
  • Pulmonary scintigraphy
  • Technegas
  • Venous thromboembolic disease
  • Ventilation-perfusion lung scan

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging
  • Medicine(all)


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