Читать книгу A Practical Approach to Special Care in Dentistry - Группа авторов - Страница 167

 The most common infectious agent is M. tuberculosis

 The bacilli access the lungs (in the form of aerosol droplets), are phagocytised by macrophages and transferred to regional lymph nodes

 Haematogenous dissemination then occurs

 The granulomatous lesions (tubercles) contain living bacilli and develop by a delayed hypersensitivity mechanism