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[Virtual gastroscopy. Preliminary experience].

Patricia Carrascosa1, R Corti, G Sangster

  • 1Departamento de TC y Radiología de Diagnóstico Maipú, Vicente López, Buenos Aires, Argentina.

Acta Gastroenterologica Latinoamericana
|July 26, 2002
PubMed
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Virtual gastroscopy (VG) shows high sensitivity and specificity in detecting elevated gastric lesions, serving as a valuable non-invasive diagnostic tool. This method aids in identifying gastric diseases and lesions effectively.

Area of Science:

  • Medical Imaging
  • Gastroenterology
  • Diagnostic Technology

Background:

  • Conventional endoscopy (CE) is the gold standard for detecting gastric lesions.
  • There is a need for non-invasive methods to supplement CE.

Purpose of the Study:

  • To evaluate the role of virtual gastroscopy (VG) in detecting elevated gastric lesions.
  • To compare the diagnostic performance of VG against CE.

Main Methods:

  • 19 patients underwent both VG and CE between December 2000 and July 2001.
  • VG was performed using a multislice CT scanner with specific technical parameters.
  • VG images were reprocessed bidimensionally and tridimensionally for analysis.

Main Results:

Related Experiment Videos

  • VG detected 39 lesions, while CE detected 40 lesions.
  • Sensitivity (Se) was 97.5%, Specificity (Sp) was 100%, with a 100% positive predictive value.
  • One false-negative finding was reported, with no false-positive findings.

    • Conclusions:

    • Virtual gastroscopy is a highly sensitive and specific non-invasive method for detecting elevated gastric lesions.
    • VG can effectively identify gastric lesions and aid in diagnosing gastric diseases.
    • VG shows promise as an adjunct to conventional endoscopy.