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Endoscopic mucosal resection (EMR) is considered to be a gold standard of therapy of colorectal lateral spreading tumors (LST) without significant risk for lymphatic spread. According to the investigators previous study, local residual neoplasia (LRN) after conventional endoscopic mucosal resection (EMR)occurs in up to 21% of cases. Endoscopic therapy of LRN was not sufficient in 53 % and has not been standardized yet.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Local residual neoplasia | Other | Patients with local residual neoplasia in 3 months after endoscopic resection of colorectal lateral spreading tumors diagnosed endoscopically and/or histologically |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Standardized endoscopic treatment of local residual neoplasia | Procedure | Endoscopic treatment will be performed according to the type of local residual neoplasia (LRN): A - endoscopically negative scar and neoplastic tissue found only in biopsy specimens - treatment by argon plasmacoagulation, B - endoscopically aparent LRN < 5 mm - forceps biopsy + argon plasmacoagulation, C - endoscopically evident LRN > 5 mm + lifting during submucosal injection - endoscopic mucosal resectio + argon plasmacoagulation, D - endoscopically evident LRN > 5 mm + non-lifting during submucosal injection - endoscopic submucosal disection (ESD) or surgical resection |
| Measure | Description | Time Frame |
|---|---|---|
| Efficacy of endoscopic treatment od local residual neoplasia (absence of neoplastic tissue in post-EMR scar proven by endoscopic and histologic examination) | Efficacious endoscopic treatment is defined as absence of neoplastic tissue in post-EMR scar proven by endoscopic and histologic examination in 6 months after endoscopic treatment od local residual neoplasia. | 6 months |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Premysl Falt, MD, PhD | Vitkovice Hospital, Ostrava | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Vitkovice Hospital | Ostrava | 703 84 | Czechia |
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| ID | Term |
|---|---|
| D015179 | Colorectal Neoplasms |
| ID | Term |
|---|---|
| D007414 | Intestinal Neoplasms |
| D005770 | Gastrointestinal Neoplasms |
| D004067 | Digestive System Neoplasms |
| D009371 | Neoplasms by Site |
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|
| D009369 | Neoplasms |
| D004066 | Digestive System Diseases |
| D005767 | Gastrointestinal Diseases |
| D003108 | Colonic Diseases |
| D007410 | Intestinal Diseases |
| D012002 | Rectal Diseases |