Abdominal Neoplasm
Conditions
Brief summary
Abdominal noncontrast scan and contrast-enhanced CT were used to establish a screening and diagnostic model for abdominal tumors
Detailed description
Secondary objective: To establish a grading model of abdominal tumors based on clinical indicators Exploratory Objective: To include CT scans in large-scale non-tumor populations for validation and to improve model accuracy Certainty
Interventions
None listed
Sponsors
Xiangdong Cheng
Study design
Observational model
CASE_ONLY
Time perspective
RETROSPECTIVE
Eligibility
Sex/Gender
ALL
Age
18 Years to 75 Years
Healthy volunteers
Yes
Inclusion criteria
* Patients with abdominal tumors: * all patients were pathologically diagnosed with abdominal tumors; * The clinical case data of all patients were complete, and complete follow-up was obtained, with clear information on medical visits, operation time and survival status within 2 years. If the cause of death is unknown, it will be recorded as censored data; * All patients had no history of active abdominal bleeding, no serious infection or other abdominal diseases that affected the observation of CT imaging within 3 months before surgery. * Non-tumor population: * all patients have complete clinical case data, complete abdominal CT, no history of malignant tumors, no serious infections or other abdominal diseases that affect the diagnosis and observation of CT imaging.
Exclusion criteria
* Cases in which contrast-enhanced or noncontrast CT images show unclear lesions, with significant noise and artifacts;
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Whether or not there is a diagnosis of abdominal tumor questionnaire | first visited at baseline | Whether or not there is a diagnosis of abdominal tumor |
Countries
China
Contacts
Primary ContactXiangdong Cheng
Backup ContactCan Hu
Outcome results
None listed