dMMR/MSI gastric cancer
Conditions
Interventions
MSI gastric cancer patient group:None
MSS gastric cancer patient group:None
Sponsors
Department of Radiology, the First Affiliated Hospital of Jinzhou Medical University
Eligibility
Sex/Gender
Male
Age
39 Years to 85 Years
Inclusion criteria
Inclusion criteria: 1. Radical or palliative gastrectomy was performed in our hospital. Postoperative pathology showed dMMR/MSI gastric cancer and pMMR/MSS gastric cancer; 2. All patients were examined by plain and enhanced three phase abdominal multi-slice spiral CT before operation. The images of plain CT scanning, arterial phase, venous phase and delayed phase are thin slice scanning, and all images can be viewed on the PCAS system; 3. The patient did not receive radiotherapy, chemotherapy, immunotherapy or other comprehensive treatment before surgery; 4. The clinical data and pathological data are true and complete.
Exclusion criteria
Exclusion criteria: 1.The date of preoperative CT examination was more than 30 days from the date of surgery; 2.Poor gastric filling, unclear imaging images, or lesions that are too small make the lesions difficult to measure.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Maximum tumor thickness;The largest diameter of the tumor;The enhancement slope of tumor foci at each enhancement phase;tumor location;With or without ulceration and necrosis;With or without serous invasion and lymph node metastasis; | — |
Secondary
| Measure | Time frame |
|---|---|
| Patient gender and age; | — |
Countries
China
Contacts
Public ContactChen weizhi
the First Affiliated Hospital of Jinzhou Medical University
Outcome results
None listed