DYNAMIC MULTIDETECTOR SPIRAL COMPUTED TOMOGRAPHY IN THE PRIMARY DIAGNOSIS OF GASTRIC CANCER


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Abstract

In 2009 to 2010, multidetector computed tomography (CT) (MSCT) constructing multiplanar reformations and dynamic video files was performed in 49 patients with gastric cancer (GC). Dynamic MSCT was carried out using a 320-slice dynamic volume Toshiba CT scanner with a 16-cm detector width. Sixteen patients underwent virtual endoscopy. Dynamic MSCT could detect gastric tumor lesion in 47 of the 49 patients. The sensitivity of MSCT for the detection of GC was 96% and its specificity was l00%. The possibility of detecting GC depends on the depth of tumor invasion: it was 73 and 100% in T1 and more disseminated forms, respectively. Virtual endoscopic study is characterized by a high image quality; the latter in intraluminal tumor growth is highly competitive with that of traditional video-assisted endoscopy. The capacities of using dynamic MSCT, including that in the virtual endoscopic view as a screening method, call for further investigation.

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About the authors

A. Chernousov

I.M. Sechenov First Moscow State Medical University

N. Gagarina

I.M. Sechenov First Moscow State Medical University

V. Levkin

I.M. Sechenov First Moscow State Medical University

V. Zavodnov

I.M. Sechenov First Moscow State Medical University

E. Fominykh

I.M. Sechenov First Moscow State Medical University

A. Egorov

I.M. Sechenov First Moscow State Medical University

S. Kharnas

I.M. Sechenov First Moscow State Medical University

T. Khorobrykh

I.M. Sechenov First Moscow State Medical University

D. Vychuzhanin

I.M. Sechenov First Moscow State Medical University

Email: vichy@list.ru

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