THYROID SCINTIGRAPHY WITH TIME-CODED APERTURE

  • 1 January 1979
    • journal article
    • research article
    • Vol. 20  (4) , 345-349
Abstract
Coded aperture imaging (CAI) and multiple-view pinhole imaging (MVPI) of the thyroid were compared in 19 patients after i.v. [99mTc] pertechnetate administration to determine whether CAI''s theoretical advantages of high resolution, high efficiency, freedom from distortion, accurate size representation and tomographic presentation could be realized in the clinical setting, and to determine whether CAI offers any advantage over conventional MVPI. The coded aperture images were judged better than the pinhole images in 5 cases, equal in 13 cases and worse in 1 case. The major problem with CAI was the long reconstruction time. Further development and an extended clinical trial are warranted.

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