Study of false negative lesions in mucosal sites of the head and neck in the preoperative evaluation of transoral endoscopy with the NBI
Not Applicable
- Conditions
- Pharyngeal cancer
- Registration Number
- JPRN-UMIN000014643
- Lead Sponsor
- Department of Gastroenterology, Ishikawa Prefectural Central Hospital
- Brief Summary
Not available
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Complete: follow-up complete
- Sex
- All
- Target Recruitment
- 25
Inclusion Criteria
Not provided
Exclusion Criteria
Psychiatric disease that is inappropriate for entry into this study
Study & Design
- Study Type
- Observational
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method To investigate the rate of false negative lesions between preoperative examination and lugol chromoendoscopy using curved laryngoscope in surgery
- Secondary Outcome Measures
Name Time Method