Regional cerebral blood flow imaging

A quantitative comparison of Technetium-99m-HMPAO SPECT with C15O2 PET

H. G. Gemmell*, N. T.S. Evans, J. A.O. Besson, D. Roeda, J. Davidson, M. G. Dodd, P. F. Sharp, F. W. Smith, J. R. Crawford, R. H. Newton, V. Kulkarni, J. R. Mallard

*Corresponding author for this work

Research output: Contribution to journalArticle

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Abstract

The aim of this study was to compare technetium-99m-hexamethylpropyleneamineoxime (99mTc-HMPAO) single-photon emission computed tomography (SPECT) with regional cerebral blood flow (rCBF) imaging using positron emission tomography (PET). As investigation of dementia is likely to be one of the main uses of routine rCBF imaging, 18 demented patients were imaged with both techniques. The PET data were compared quantitatively with three versions of the SPECT data. These were, first, data normalized to the SPECT cerebellar uptake, second, data linearly corrected using the PET cerebellar value and, finally, data Lassen corrected for washout from the high flow areas. Both the linearly-corrected (r = 0.81) and the Lassen-corrected (r = 0.79) HMPAO SPECT data showed good correlation with the PET rCBF data. The relationship between the normalized HMPAO SPECT data and the PET data was nonlinear. It is not yet possible to obtain rCBF values in absolute units from HMPAO SPECT without knowledge of the true rCBF in one reference region for each patient.

Original languageEnglish
Pages (from-to)1595-1600
Number of pages6
JournalJournal of Nuclear Medicine
Volume31
Issue number10
Publication statusPublished - 1 Oct 1990

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Cerebrovascular Circulation
Technetium
Regional Blood Flow
Single-Photon Emission-Computed Tomography
Positron-Emission Tomography
Technetium Tc 99m Exametazime
Dementia

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging

Cite this

Gemmell, H. G., Evans, N. T. S., Besson, J. A. O., Roeda, D., Davidson, J., Dodd, M. G., ... Mallard, J. R. (1990). Regional cerebral blood flow imaging: A quantitative comparison of Technetium-99m-HMPAO SPECT with C15O2 PET. Journal of Nuclear Medicine, 31(10), 1595-1600.

Regional cerebral blood flow imaging : A quantitative comparison of Technetium-99m-HMPAO SPECT with C15O2 PET. / Gemmell, H. G.; Evans, N. T.S.; Besson, J. A.O.; Roeda, D.; Davidson, J.; Dodd, M. G.; Sharp, P. F.; Smith, F. W.; Crawford, J. R.; Newton, R. H.; Kulkarni, V.; Mallard, J. R.

In: Journal of Nuclear Medicine, Vol. 31, No. 10, 01.10.1990, p. 1595-1600.

Research output: Contribution to journalArticle

Gemmell, HG, Evans, NTS, Besson, JAO, Roeda, D, Davidson, J, Dodd, MG, Sharp, PF, Smith, FW, Crawford, JR, Newton, RH, Kulkarni, V & Mallard, JR 1990, 'Regional cerebral blood flow imaging: A quantitative comparison of Technetium-99m-HMPAO SPECT with C15O2 PET', Journal of Nuclear Medicine, vol. 31, no. 10, pp. 1595-1600.
Gemmell, H. G. ; Evans, N. T.S. ; Besson, J. A.O. ; Roeda, D. ; Davidson, J. ; Dodd, M. G. ; Sharp, P. F. ; Smith, F. W. ; Crawford, J. R. ; Newton, R. H. ; Kulkarni, V. ; Mallard, J. R. / Regional cerebral blood flow imaging : A quantitative comparison of Technetium-99m-HMPAO SPECT with C15O2 PET. In: Journal of Nuclear Medicine. 1990 ; Vol. 31, No. 10. pp. 1595-1600.
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