Retrospective study on acceptability of a newly developed cholangioscope, SpyGlass DS, for evaluation of the lateral spread of extrahepatic cholangiocarcinoma

Retrospective study on acceptability of a newly developed cholangioscope, SpyGlass DS, for evaluation of the lateral spread of extrahepatic cholangiocarcinoma - SpyGlass DS for diagnosis of lateral spread of cholangiocarcinoma

Status

Recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000030583

Enrollment

Registered

2017-12-26

Start date

2017-12-27

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

Unresectable extrahepatic cholangiocarcinoma

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients who underwent surgical resection after preoperative examinations to diagnose LEC were evaluated

Exclusion criteria

Exclusion criteria: (1) those in whom the clinical record on findings of the POCS examination could not be obtained or was insufficient for evaluation, (2) those who did not undergo surgical resection after examinations, and (3) those in whom the resected specimen was inappropriate to precisely evaluate the lateral extent.

Design outcomes

Primary

Measure	Time frame
The main outcome measure was the accuracy of overall preoperative diagnosis (OPD) of LEC which was defined based on all examinations, including POCS, and was evaluated with reference to the resected specimen.	—

Countries

Japan

Contacts

Public ContactYoshihide Kanno

Sendai City Medical Center Department of Gastroenterology

yoshi-hk@openhp.or.jp81222521111

Outcome results