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