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Quick check Staging of GASTRIC CANCER CT

 Last Update: 2022-09-30
 Source: Internet
 Author: User

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Spiral CT staging of gastric cancer is the main technology of preoperative staging diagnosis of gastric cancer, and it is of great significance

Lesion site: 30% located in the antrum, 30% in the stomach, 30% in the gastric base, cardia, 10% diffuse infiltrative

2010 AJCC Gastric Cancer TNM Staging (7th Edition)

T1 tumor invades the mucosal lamina or submucosal layer T1a tumor invades the mucosal lamina; T1b Tumor invades the submucosal layer

T2 Tumor invades the muscle barrier

T3 Tumor invades the subserous layer

T4 T4a Tumor penetrates the serous membrane; T4b Tumors invade adjacent organs

N1 1 to 2 lymph node metastases

N2 3 to 6 lymph node metastases

N3 N3a 7 to 15 lymph node metastases; N3b ≥ 16 lymph node metastases

Mx is removed: the new staging removes Mx (distant metastases cannot be assessed

T1: The low-density mucosal layer remains intact

T2: The stomach wall is thickened, the low-density band is interrupted, the outer contour is smooth, and the surrounding fat layer is clearly striped less than 1/3

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