A stereotactic method of anatomical localization for positron emission tomography

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Abstract

Extant methods for anatomical localization within a physiological image are inadequate for precise regional correlations between anatomy and physiology. We have developed a method for determining the location of any region of interest within a positron emission tomographic (PET) image by transformation of the tomographic location coordinates into coordinates within a stereotactic atlas of the human brain. The specific anatomical assumptions of this approach were identified and validated within groups of normal subjects by means of measurements made from lateral skull radiographs and nuclear magnetic resonance proton images. A high degree of accuracy and reproducibility was demonstrated when this technique was applied to groups of normal subjects by determining the anatomical location of two physiologically defined PET areas: The cavernous sinus and visually responsive cortex. This method is simple to implement and highly objective. Generalization of the localization procedure for use with structural tomography is readily accomplished.

Original languageEnglish
Pages (from-to)141-153
Number of pages13
JournalJournal of computer assisted tomography
Volume9
Issue number1
DOIs
StatePublished - 1985

Keywords

  • Anatomy
  • Brain
  • Emission computed tomography
  • Emission computed tomography
  • Localization
  • Stereotactic computed tomography
  • Techniques

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