Histopathological vertical margin positivity of cold snare polypectomy and mucosal resection for sessile serrated lesions and long-term results.

Histopathological vertical margin positivity of cold snare polypectomy and mucosal resection for sessile serrated lesions and long-term results. - Margin Positivity in CSP vs. EMR for SSLs and long-term results.

Status

Recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000051569

Enrollment

332

Registered

2023-07-10

Start date

2023-07-01

Completion date

Unknown

Last updated

2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Sessile serrated lesions

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Consecutive patients treated with CSP or EMR and histopathologically diagnosed with SSL at the Southern-Tohoku General Hospital in Fukushima, Japan, between January 2019 and December 2022 were included in this study. SSLs less than 10 mm in diameter by endoscopic measurement and achieved en-block resection were included in this study.

Exclusion criteria

Exclusion criteria: Exclusion criteria were as follows: cases with more than 6 resections; underwent piecemeal resection; advanced cancer coexistence; serious comorbidities; history of inflammatory bowel disease; difficulty obtaining consent due to psychiatric disorder.

Design outcomes

Primary

Measure	Time frame
The rate of histopathological positive vertical margin of CSP and EMR specimens.	—

Secondary

Measure	Time frame
Mucosal fragmentation, presence of lateral margin, histopathological positive lateral margin, presence of damage or thermal coagulation, presence of muscularis mucosae, presence of submucosa, and the recurrence rate associated with polyp resection methods.	—

Countries

Japan

Contacts

Public ContactKoichi Hamada

Southern-Tohoku General Hospital Department of Gastroenterology

ag14072@yahoo.co.jp0249345322

Outcome results