Page 14 - Head and neck surgery

In addition to routine white light, narrow

band imaging (NBI) and Lugol’s

chromoendoscopy should be used to

detect superficial squamous cell

carcinoma and multicentric squamous

dysplasia.

Left pyriform sinus superficial squamous cell

carcinoma (SCC). (A) Conventional white light
endoscopy showing an erythematous patch of

irregular mucosa (arrows). (B) NBI showing a well-

demarcated brownish area (arrows). (C) NBI at

maximum magnification (x80) showing an
irregular microvascular pattern. (D) Pathological

examination SCC in-situ.

Katada C, Muto M, Nakayama M , et al.
Laryngoscope, 2012 Jun;122(6):1291-6.