Nauman Rauf Khan, Amna Nauman Khan, Ejaz Waris, Bilquis A. Suleman and Ayyaz Ali Khan
Immunostaining is one of the latest and accurate modality for evaluating the diagnosis and prognosis of tumors. It has also become a very important tool of differentiating between the tumors of different origin. Aims of the present study were to assess the frequency, pattern, sensitivity and specificity of CytokeratinAE1/AE3 as an immunohistochemical marker for the Squamous Cell Carcinomas(SCC) of head and neck.