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Brief Title: Early Detection of Head and Neck Superficial Squamous Cell Carcinoma in Patients With Esophagus Squamous Cell Carcinoma
Official Title: Early Detection of Oropharyngeal and Hypopharyngeal Superficial Squamous Cell Carcinoma in Patients With Esophagus Squamous Cell Carcinoma by White Light Imaging and Optical Enhancement(OE)
Study ID: NCT03700398
Brief Summary: the investigators randomly divide the eligible objects into two groups:1. objects in this group will first receive OE endoscopy observation and subsequent white light imaging(WLI) observation during oropharynx and hypopharynx; 2. objects in this group will first receive WLI observation and subsequent OE observation during oropharynx and hypopharynx. Then, the investigators will compare the detect rate of oropharyngeal and hypopharyngeal superficial squamous cell carcinoma of two groups to find if OE endoscopy can improve the detect rate of oropharyngeal and hypopharyngeal superficial squamous cell carcinoma in esophageal cancer patients.
Detailed Description:
Minimum Age: 18 Years
Eligible Ages: ADULT, OLDER_ADULT
Sex: ALL
Healthy Volunteers: No
Qilu Hospital of Shandong University, Jinan, Shandong, China