Nghiên cứu đặc điểm mô bệnh học - lâm sàng u lympho không hogkin nguyên phát ở ngoài hạch vùng đầu cổ

Objectives: study on clinical and histopathological characteristics. Patients and methods: 40 patients, with diagnosis of the primary extranodal lymphomas Non- Hodgkin of head and neck admitted in National ENT Hospital from 1/2005 to 7/ 2006. This was prospective, descriptive study. Results: The most common site affected was sinonasal areas( 52.5 percent). According the Working formulation: WF6 was 65 percent and WF7 was 25 percent. The B cell lymphomas was 73.91 percent and T cell lymphomas was 26.09 percent, among them the NK/T type was common (83.3 percent). Conclusions: the primary extra nodal non Hodgkin lymphomas of head and neck affected many sites at head and neck, Imunochemical and hitological features were important.