Chromoendoscopy to Detect Early Synchronous Second Primary Esophageal Carcinoma in Patients with Squamous Cell Carcinomas of the Head and Neck?

<table>Endoscopic views of the Lugol chromoendoscopy in patients with head and neck cancer. (a) Irregularly shaped multiform LVLs (histologically identified as spinocelullar carcinoma). (b) Single LVL on 7 o’clock position (histologically high-grade dysplasia).</table>

Gastroenterology Research and Practice

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Figure 4: Chromoendoscopy to Detect Early Synchronous Second Primary Esophageal Carcinoma in Patients with Squamous Cell Carcinomas of the Head and Neck? 

Figure 4 | Chromoendoscopy to Detect Early Synchronous Second Primary Esophageal Carcinoma in Patients with Squamous Cell Carcinomas of the Head and Neck? 