Canetti, pinner and others knew the clinical presentation, pathology, and. Pathophysiology of tuberculosis linkedin slideshare. Tuberculosis tb has been one of the most important human diseases for centuries now. Tuberculosis abbreviated as tb for tubercle bacillus or tuberculosis is a common and often deadly infectious disease caused by mycobacteria, mainly mycobacterium tuberculosis. Tuberculosis most commonly presents as a pulmonary disease, in which infection, persistence, and induction of transmissible pathology all occur in the lungs. Airborne disease caused by the bacterium mycobacterium tuberculosis.
Pathology of post primary tuberculosis of the lung. Tuberculosis is an infectious disease caused by mycobacterium tuberculosis. Tb guidelines 2017 ppt free download as powerpoint presentation. Patients with active pulmonary tuberculosis are the major source of infection and inhalation is overwhelmingly the most frequent route. Tuberculosis presentation template includes builtin layouts and stunning backgrounds to make your presentation a winner. Chapter 2 transmission and pathogenesis of tuberculosis. Pathology of tuberculosis 1 it is nice to have money and the things that money can buy, but its important to make sure. In 2006, the emergence of extensively drugresistant tuberculosis xdrtb was first reported. It is a well established fact that pulmonary tuberculosis is the most common form of tuberculosis in cattle. There are no leukocytes or fibrin and little edema in these lesions 21. Ppt mycobacterium tuberculosis powerpoint presentation.
Usually nodal involvement of cervical region scrofula, often with draining sinus to skin generalized tb in aids cases at autopsy show thoracic or abdominal nodal involvement in almost all cases, although tb often not diagnosed prior to death arch pathol lab med 2000. Individuals who are infected and release the bacteria through any type of forceful expiratory effort can spread this disease through mucus. It can also be a crippling and deadly disease, and is on the rise in both developed and developing worlds. Take your hr comms to the next level with prezi video. Tuberculosis is defined as an infectious disease caused by a bacterium. Ppt pulmonary tuberculosis powerpoint presentation. Tuberculosis, also known as tb, is a bacterial infection and is primarily spread through the air. Targeted tb testing and treatment of latent tb infection. The burden of tb in many countries is compounded in those who have co infection with the human immunodeficiency virus hiv. View and download powerpoint presentations on pathophysiology of tuberculosis ppt. Pulmonary tuberculosis is classified in primary and secondary. In the present study, the frequency of tubercular lesions encountered in bronchial lymph node was 73.
Presentation of tuberculosis introduction etiology. Staining for acidfast bacilli is very useful for demonstrating m. Tuberculosis, infectious disease caused by mycobacterium tuberculosis. This section consists largely of photomicrographs of the pathological conditions every doctor needs to know. Find powerpoint presentations and slides using the power of, find free presentations research about pathophysiology of tuberculosis ppt. A cross sectional study was conducted on 906 apparently healthy camels slaughtered at akaki and metehara abattoirs to investigate the pathology of camel tuberculosis tb and characterize its causative agents using postmortem examination, mycobacteriological culturing, and multiplex polymerase chain reaction pcr, region of difference4 rd4based pcr and spoligotyping. The first stage is an asymptomatic state that can persist for many years in the host, called latent tb. Decades later, osler in his principles and practice of medicine published lucid descriptions of tb and its pathology.
Tuberculosis infection can wreck havoc on the fallopian tube in females. Worlds best powerpoint templates crystalgraphics offers more powerpoint templates than anyone else in the world, with over 4 million to choose from. By the fusion of contiguous masses an entire lobe may be render nearly solid. Tuberculosis usually attacks the lungs as pulmonary tb. Theyll give your presentations a professional, memorable appearance the kind of sophisticated look that todays audiences expect. If not treated at an early stage, it can lead to severe complications. In most forms of the disease, the bacillus spreads slowly and widely in the lungs, causing the formation of hard nodules tubercles or large cheeselike masses that break down the respiratory tissues and form cavities in the lungs. Introduction tb is caused by tubercle bacilli, which belong to the genus mycobacterium. Tuberculosis is caused by mycobacterium tuberculosis, a slender, acidfast aerobic organism which can be transmitted by inhalation, by ingestion or, rarely, by direct implantation. Who knew that coughing could play such a major role in spreading a disease. Ppt pathology of tuberculosis powerpoint presentation. Overview of tuberculosis epidemiology, transmission. Primary tb mediates protective immunity to disseminated infection. The disease has become rare in high income countries, but is still a major public health problem in low and middleincome countries.
Neoplasia, endocrine diseases, cardiovascular diseases, hematologic disorders. Female genital tuberculosis causes, treatment, tests. Tb guidelines 2017 ppt tuberculosis management of hivaids. Presence of mycobacterial antigens and tissue morphology can be evaluated with ihc technique. The most affected organ by tuberculosis is the lung. A free powerpoint ppt presentation displayed as a flash slide show on id. Mycobacterium tuberculosis is the organism that is the causative agent for tuberculosis tb. Ppt pathology of tuberculosis powerpoint presentation free to download id. Transmission occurs when a person inhales droplet nuclei containing. Harsh mohan textbook of pathology pdf download direct. Tuberculosis a manual for medical students chapter 1 the basic science of tuberculosis transmission of the tubercle bacillus in humans and the immune response tuberculosis is a bacterial disease spread from one person to another principally by airborne transmission.
National center for hivaids, viral hepatitis, std, and tb prevention. Acidfast organisms are present 12high power field almost exclusively in alveolar macrophages 21. Tuberculosis typically attacks the lungs, but can also affect other parts of the body. Free tuberculosis types medical powerpoint template for. Download harsh mohan textbook of pathology, 7th edition pdf. Detection of tuberculosis in tissue slides is still based on the histological pattern of the granuloma that has several differential diagnoses with different treatments. Tuberculosis a manual for medical students world health. Swallowing of sputum in patients with active pulmonary tuberculosis may cause secondary intestinal tuberculosis. Arthur dannenberg described the pathology of tuberculosis in detail 2, 3. Tuberculosis is a chronic granulomatous infectious disease. At the end of each unit there is a selfhelp quiz which will help reinforce the major points. As tb disease rates in the united states decrease, finding and treating persons at high risk for latent tb infection ltbi has. This free tuberculosis types medical ppt is one of the free medical powerpoint templates available for medical and healthcare professionals on. Genital tuberculosis is usually secondary to pulmonary tuberculosis within genital tract, most commonly affected organs are fallopian tubes 90%, endometrium 50%, ovary 10 30% diagn cytopathol 2009.
In this lecture the pathophysiology and pathogenesis of tuberculosis has been discussed. Ziehlneelsen stain method for the diagnosis of tb is positive in onethird of cases with confirmed tb infection. Bovine tuberculosis btb is an infectious disease of cattle that is caused by mycobacterium bovis and mycobacterium caprae 1 and also affects domestic small ruminants, humans, and a wide range of other domestic and wild mammals oreilly and daborn, 1995. It is mainly caused by mycobacterium tuberculosis, a highly elusive bacillus. Find powerpoint presentations and slides using the power of, find free presentations research about immune pathology ppt. The entry of mycobacterium tuberculosis into our body causes of tube. Is tuberculosis a lymphatic disease with a pulmonary. Caseous bronchopneumonia starts in the smaller tubes, which become blocked with a cheesy substance, while the aircells in the lobule are filled with the products of a catarrhal pneumonia.
Tuberculosis is the most prevalent communicable infectious disease on earth and remains. Free pathology books download ebooks online textbooks. Targeted tuberculosis tb testing and treatment of latent tb infection. Pulmonary form of tuberculosis was the feature observed in the present study. Post primary tuberculosis begins with accumulation of foamy macrophages in alveoli in localized areas of the lung, typically near the periphery of an upper lobe, figure 2 19, 35, 36. Epidemiology most common type of bone infection, usually seen. Tuberculosis airborne disease caused by the bacterium mycobacterium tuberculosis m. Chapter 2 transmission and pathogenesis of tuberculosis cdc. Pathophysiology tuberculosis rvs chaitanya koppala 2. Mycobacterium tuberculosis is an old enemy of the human race, with evidence of infection observed as early as 5000 years ago. Most commonly in the terminal ileum and rarely in the colon. Infection occurs via aerosol, and inhalation of a few droplets containing m. Tb is a disease caused by infection with a bacteria called mycobacterium.
If viewed as a pulmonary disease, enlarged lymph nodes represent reactive adenitis, and extrapulmonary forms of tuberculosis including lymphatic tuberculosis are not transmissible, hence representing an evolutionary deadend for the. Download complete power point presentation 150 slides. This medical powerpoint template will fit presentations on medical tests, tuberculosis disease, distribution of tuberculosis, tuberculin tests, pulmonary tb, tubercle bacillus, etc. Discovery of disease 24 th march 1882 robert koch tb day discovery of staining technique that identified tuberculosis bacillus definite diagnosis made possible and thus treatment could begin 1890 robert koch tuberculin discovered diagnostic use when injected into skin 1895 roentgen discovery of xrays early diagnosis of pulmonary disease 3. Mucosa and submocosa show ulceration and the muscularis may be replaced by.
Globally, it is the leading cause of deaths resulting from a single infectious disease. Pdf microbiology of mycobacterium tuberculosis and a new. We take pride in employing features most companies skip because its too much work. Histopathological findings in immunohistological staining. Tuberculosis types powerpoint template is one of the best. Pathogenesis of tuberculosis pathogenesis in a previously unexposed, immunocompetent person depends on the development of anti mycobacterial cell mediated immunity,which confers resistance to bacteria and development of hypersensitivity to mycobacterial antigens. The hallmark of childhood pulmonary tuberculosis is the relatively large size and importance of the hilar lymphadenitis compared with the less significant size of. In 2006, the emergence of extensively drugresistant tuberculosis xdr. The recognition of the macro and microscopic lesions of tuberculosis in cattle has aided the understanding of the disease. Winner of the standing ovation award for best powerpoint templates from presentations magazine.
The causal agent is mycobacterium tuberculosis the tubercle bacillus. Pathophysiology tuberculosis rvs chaitanya koppala introduction tb is caused by tubercle bacilli. The designations employed and the presentation of the material in this publication do not imply the. Although more hostrestricted than mycobacterium bovis, which can infect all warmblooded vertebrates, m. Tuberculosis is a chronic inflammation caused by mycobacterium tuberculosis tubercle bacillus, koch bacillus human type or bovine type.
1287 1520 731 1462 1074 620 1279 1408 477 825 980 250 1241 1226 380 1409 1473 688 799 1004 8 914 819 221 1148 1437 1447 395 538 1401