Muscularis propria subepithelial lesion
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1.Patients who visited the People's Hospital of Ganzhou and underwent the relevant endoscopic treatment between August 4, 2023, and December 23, 2025; 2.Aged >=18 years, male or female; 3.Gastric lesions with preoperative EUS suggesting origin from the muscularis propria; 4.Maximum recorded diameter <=20 mm; 5.Underwent CASL or C-EFTR as routine clinical treatment; 6.Key baseline, perioperative, and pathological data available from original medical records;
Exclusion criteria
Exclusion criteria: 1.Non-gastric lesions; 2.Lesions not originating from the muscularis propria or with an unidentifiable layer of origin; 3.Received other endoscopic techniques or direct surgical procedures instead of CASL or C-EFTR; 4.Duplicate records or repeated enrollment of the same lesion; 5.Missing key perioperative data or pathological results that preclude assessment of the primary endpoints; 6.Cases judged by the investigator to have significant data integrity or ethical compliance issues, making them unsuitable for inclusion in the analysis;
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Technical success rate;Margin status and R0 resection rate;Pathological diagnostic yield;Clinically meaningful delayed adverse events;Short-term follow-up outcomes; | — |
Secondary
| Measure | Time frame |
|---|---|
| Perioperative outcomes (full-thickness opening/active perforation during surgery, nasogastric tube placement, operative duration, postoperative hospital stay, total hospital stay);Resource utilization metrics (instrumentation costs and total hospitalization costs);Follow-up availability rate, follow-up duration, and follow-up maturity;Association between lesion size, lesion location, year, and surgical approach selection and perioperative outcomes; | — |
Countries
China
Contacts
Ganzhou People's Hospital