Читать книгу A Practical Approach to Special Care in Dentistry - Группа авторов - Страница 169

 The acquisition of skin reactivity to the tuberculin purified protein derivative or Mantoux test is considered suggestive of tuberculosis (Figure 4.1.3)

 Chest radiography helps establish the suspected diagnosis for patients with symptoms (Figure 4.1.4)

 Sputum smears have poor sensitivityFigure 4.1.3 Positive Mantoux test (also known as tuberculin PPD test for purified protein derivative).Figure 4.1.4 Chest x‐ray showing cavitary lesions typically associated with active pulmonary tuberculosis.

 Sputum cultures provide the definitive diagnosis, but the results are not obtained for up to 4–8 weeks

 PCR provides a rapid and reliable diagnosis

 For extrapulmonary tuberculosis, a histopathological analysis of the infected organs should be conducted . It is characterised by the presence of caseating granulomas formed by epitheloid macrophages surrounging an acelluar necrotic region