Evaluation of the efficacy of 2- versus 3-dimensional computed tomography

Jr Franco, F. G. Fedok, D. B. Brown, A. C. Mamourian

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Abstract

Simulated 3-dimensional (3-D) representation of computerized data is a valuable diagnostic tool in evaluation of tumors of the central nervous system. Several reports exist regarding the clinical value of 3-D imaging, but there is little objective evidence to quantify improved performance from the images. The purpose of this study was to quantify the efficacy of simulated 3-D versus 2-D image interpretation in a nonclinical model. A 3- tiered, 3-D model was constructed, and objects were placed in varied positions. CT was then performed on each of the models. Fifty-three subjects were shown the CT images and asked to reconstruct the model as depicted by either 2-D or simulated 3-D images. Performance between subject groups was different depending on clinical experience. In addition, it was found that the 3-D representation of data allowed for a significantly faster performance of the task of image interpretation and reconstruction of the model.

Original languageEnglish (US)
Pages (from-to)414-417
Number of pages4
JournalOtolaryngology - Head and Neck Surgery
Volume121
Issue number4
DOIs
Publication statusPublished - Jan 1 1999

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All Science Journal Classification (ASJC) codes

  • Surgery
  • Otorhinolaryngology

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