Diagnostic cancer naso-sinusal is based TNM, the histologies to detect a tumor, provide information, help plan treatment. Ojective: The description a lesion on histopathologies of HE, PAS and immuno-histopathologie. Materials and Methods: Case study of 38 patients operateds at Hospital ENT central (2007-2009). Diagnostic histopathologies of HE, PAS and immuno-histopathologie with 8 marques. Results and discussions: The typs SCC are 50 percent - 80 percent of the symptom functional, 60,08 percent the form of vegetation.The UCNT of SCC are 75 percent of the form of vegetation, and 100 percent of the deformation. UTBMV is not much in the typs SCC arise the inferior floor, The typ lymphomalin non Hodgkin and, UCNT of SCC arise the inferior and middl floor The typ adenoma ariseonly the inferior floor. Conclusion there is different the clinical formes and sub typs of histopathologies.