Study of false negative lesions in mucosal sites of the head and neck in the preoperative evaluation of transoral endoscopy with the NBI

Study of false negative lesions in mucosal sites of the head and neck in the preoperative evaluation of transoral endoscopy with the NBI - Study of false negative lesions in mucosal sites of the head and neck in the preoperative evaluation of transoral endoscopy with the NBI

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000014643

Enrollment

Registered

2014-07-24

Start date

2014-07-24

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

Pharyngeal cancer

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: (i) no evidence of invasion to the muscle layer on the basis of white light endoscopy. (ii) no lymph node metastasis as shown on computed tomographic examinations before treatment. (iii) a histological diagnosis of squamous cell carcinoma, (iv) an Eastern Cooperative Oncology Group performance status (ECOG PS) score of 0-2 (v) adequate major organ functions (vi) serious complications such as active infectious disease and serious heart disease.

Exclusion criteria

Exclusion criteria: Psychiatric disease that is inappropriate for entry into this study

Design outcomes

Primary

Measure	Time frame
To investigate the rate of false negative lesions between preoperative examination and lugol chromoendoscopy using curved laryngoscope in surgery	—

Countries

Japan

Contacts

Public ContactKunihiro Tsuji

Ishikawa Prefectural Central Hospital Department of Gastroenterology

kt98052@yahoo.co.jp076-237-8211

Outcome results