The Distribution of Phosphatidylcholine Species in Superficial-Type Pharyngeal Carcinoma

Figure 1

Clinical endoscopic images of case 2 using conventional and NBI endoscopy. (a) Squamous cell carcinoma of the hypopharynx. Conventional endoscopy shows slight reddish area in the postcricoid area (arrows). (b) Squamous cell carcinoma of the hypopharynx. NBI endoscopy shows a clearly demarcated brownish area in the postcricoid area (arrows).

(a)

(b)