Stomach cancer CT

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]Associate Editor(s)-in-Chief: Parminder Dhingra, M.D. [2]

Stomach cancer Microchapters
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Overview
Historical Perspective
Classification
Pathophysiology
Causes
Differentiating Stomach Cancer from other Diseases
Epidemiology and Demographics
Risk Factors
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Natural History, Complications and Prognosis
Diagnosis
Diagnostic study of choice
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Overview

Abdominal CT scan may be helpful in the diagnosis of stomach cancer.

CT

CT is currently the staging modality of choice because it can help identify the primary tumor, assess for local spread, and detect nodal involvement and distant metastases

Demonstration of lesions facilitated by negative contrast agents (water or gas):

• a polypoid mass with or without ulceration
• focal wall thickening with mucosal irregularity or focal infiltration of wall
• ulceration: gas-filled ulcer crater within mass
• infiltrating carcinoma: wall thickening and loss of normal rugal fold pattern

Calcifications are rare but when present, they are usually mucinous adenocarcinoma.