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Updated: Aug 1, 2026

Intraoperative Gastroscopy for Tumor Localization in Laparoscopic Surgery for Gastric Adenocarcinoma
Published on: August 9, 2016
[Virtual gastroscopy. Preliminary experience].
Patricia Carrascosa1, R Corti, G Sangster
1Departamento de TC y Radiología de Diagnóstico Maipú, Vicente López, Buenos Aires, Argentina.
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:
- 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.
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