Endoscopic findings detected using narrow-band imaging to distinguish between basal cell hyperplasia and squamous cell carcinoma of the pharynx

Endoscopic findings detected using narrow-band imaging to distinguish between basal cell hyperplasia and squamous cell carcinoma of the pharynx - NBI findings of BCH in the pharynx

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000010926

Enrollment

Registered

2013-06-11

Start date

2013-02-07

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

Basal cell hyperplasia of the pharynx and superficial-type head and neck squamous cell carcinoma

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients who were pathologically diagnosed as having BCH based on endoscopic biopsy samples of the pharynx obtained between January 2008 and July 2012 at our institute.

Exclusion criteria

Exclusion criteria: Cases without NBI-ME images or with only inappropriate images (blurry or unfocused) were excluded.

Design outcomes

Primary

Measure	Time frame
The size, intervascular transparency, variety of IPCL (intra-epithelial papillary capillary loop) shapes, and the distribution of the IPCLs	—

Countries

Japan

Outcome results