Occult metastasis in carcinoma of oral cavity.

Objective: To determine the frequency of occult neck node metastasis in squamous cell carcinoma of oral cavity, in particular relation to the subsite and histopathological grading, and of involvement of the level of lymph nodes in the neck in oral cavity carcinoma.

Study Design: Descriptive study. Place and Duration of the Study: Pakistan Institute of Medical Sciences, Islamabad and Wah Medical College, POF Hospital, Wah Cantt.