Tag: Tuberculosis

  • Cough

    Cough

    Coughing is a reflex action in which successive inspiration, a brief closing of the glottis, and then immediately after the pressurization of the rib cage, a sudden opening of the glottis, which leads to cough shake. This cough jolt in fact corresponds to a fast flowing expiration. When the cough shakes succeed, they realize the…

  • Bronchiectasis

    Bronchiectasis

    – DDB or bronchiectasis is anatomically defined by an abnormal and irreversible dilatation of bronchial caliber associated with a destruction of the adjacent lung parenchyma. – The bronchial mucosa is the site of significant inflammation, leading to hypertrophy of mucous glands and goblet cells => bronchial hypersecretion. There is stasis of mucus favored by the…

  • Tuberculosis Bacilli

    Tuberculosis Bacilli

    Of the many species of Mycobacteria, three are responsible for human tuberculosis. Besides Mr. tuberculosis, the most common, there are cases due to M. bovis or M. africanum. HISTORY: 1865: Villemin shows that human tuberculosis is transmissible by inoculation of rabbits and guinea pigs. 1882: Discovery of Mycobacterium tuberculosis (M. tuberculosis currently named), clotted bovine…

  • Ocular Tumors

    Ocular Tumors

    1- Retinoblastoma: – Characterized by its early onset (children 2 to 3 years) and bilateralism and are frequent genetic trait – The development exophytic tumors do not form a protruding mass, but causes a retinal detachment – Pejorative factors: damage to the optic nerve; choroïdosclérale invasion Presentation is – Leucorie (amaurotic cat eye) – Unequal…

  • Tuberculoid Granuloma

    Tuberculoid Granuloma

    This is the result of a specific subacute inflammation which may be caused: – Sarcoidosis (Besnier-Boeck disease-Schaumann or BBS) – Crohn’s disease – The reaction to foreign bodies – Schistosomiasis – Leprosy (in its tuberculoid) – Some deep mycoses – Tularemia – Cat scratch disease The tuberculoid granuloma is an epithelioid giant follicle FOLLICLE epithelioid…

  • Pulmonary Tuberculosis

    Pulmonary Tuberculosis

    Pulmonary tuberculosis is a bacterial infection caused by Mycobacterium tuberculosis (BK), transmitted by air. After contamination, M. tuberculosis multiplies slowly in the lungs: the primary infection. In the absence of immunosuppression, pulmonary lesion heals in 90% of cases, but 10% of patients develop active TB. There are also extrapulmonary (meningitis, miliary, lymphatic, bone, etc.). Infection…