Characteristic. Course of disease:short Days--one month Changes : Alteration, exudation Tissue destruction Inflammation cells: major neutrophils
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1 ACUTE INFLAMMATION
2 Characteristic Course of disease:short Days--one month Changes : Alteration, exudation Tissue destruction Inflammation cells: major neutrophils
3 TYPES Serous Inflammation Fibrinous Inflammation Suppurative Inflammation Hemorrhagic Inflammation
4 Serous inflammation Conception : It is characterized by the outpouring of a watery, relatively proteinpoor fluid (effusion). The main content is serum. Characteristic: Watery, low protein content, derived from blood or lymph fluid.
5 Serous inflammation Site: mucous membrane, serosa, lung, loose connective tissue, skin. Examples: skin blister resulting from burn, scalding or viral infection, pleural effusion associated with tuberculosis, common cold, etc.
6 Serous inflammation(skin blister)
7 Serous inflammation
8 Fibrinous Inflammation Conception :It occurs as a consequence of more severe injuries, with greater vascular permeability allowing larger molecules ( fibrinogen ) to pass the endothelial barrier.
9 Fibrinous Inflammation Characteristic: lots of fibrin in the exudate. Causes: Shigellosis Streptococcus pneumonias Corynebacterium diphtherias Uremia
10 Site : Fibrinous Inflammation Serosa Mucous membrane: Pseudo-membrane Lung Examples: rheumatic pericarditis, dysentery, diphtheria, lobular pneumonia, etc.
11 Lobar pneumonia
12 Lobar pneumonia
13 Fibrinous Inflammation Special disease: cor villosum --Fibrinous pericarditis hairy heart Pseudo-membranous inflammation
14 The epicardial surface of the heart shows a shaggy fibrinous exudate.
15
16
17 Fibrinous Inflammation Pseudomembranous inflammation: site: occuring at the surface of mucosa (intestinal mucosa, throat, etc.) Components : it consists of fibrin, neutrophils, necrotic mucosa epithelial cells and organism.
18 pseudomembrane Bile dyed the membrane yellow-green
19 Pseudomembrane
20 Fibrinous Inflammation Outcome Resolution Organization
21 Purulent / suppurative inflammation Conception : It is manifested by the presence of large amounts of purulent exudate (pus) consisting of neutrophils, necrotic cells and edema fluid. Pus composed of: dead and dying neutrophils, liquefied tissue, pyogenic organisms.
22 Purulent / suppurative inflammation Causes: staphylococci, pneumococcus, gonococci, gramnegative rods, and some nonhemolytic streptococci. Types: (1) Abscess; (2) Phlegmonous inflammation; (3) Surface purulence (4) Empyema
23 Purulent / suppurative inflammation Abscess: It is a focal collection of pus and typically has a central, largely necrotic region with a surrounding zone of proliferated connective tissue, often companied with vomica formation. It is often caused by staphylococci
24 abscess
25 Hepatic abscess
26 hepatic cord Sinus Normal Hepatic abscess
27 Outcome of abscess Ulcer: a local defect on the surface of skin or mucosa where an epithelial surface become necrotic and eroded. Sinus: deep abscess perforated to body surface or body cavity to form a tract with one opening. Fistula: a tract of pus discharge with more than one opening. Cavity: a gap formed by necrotic tissue be drainaged from nature tract in visceral organs.
28 rectum abscess Sinus Anus form a tract with one opening. a tract of pus discharge with two opening. rectum abscess Fistula Anus
29 Phlegmonous inflammation Conception :Diffuse purulent inflammation process of soft tissue. Cause: commonly by -hemolytic streptococcus. Characteristic : Diffuse infiltration of neutrophils. Tissue necrosis is not obvious. Site: Often occurred in subcutaneous tissue, muscle, appendix.
30 phlegmonous appendicitis Color, size, shape, surface
31 Diffuse infiltration of neutrophils Acute phlegmonous appendicitis
32 Myocarditis Diffuse infiltration of neutrophils myocyte
33 Purulent / suppurative inflammation Surface purulence( purulent catarrh ) purulent inflammation of mucosa or surface of tissue.
34 Purulent catarrh on the surface of meninges
35 Purulent meningitis
36 Purulent / suppurative inflammation Empyema purulent exudate cannot be effective drainaged and accumulated in body cavity or tract. Example : intestinal duct, oviduct, gallbladder, thorax.
37 Hemorrhagic Inflammation Characteristic: Marked Hemorrhage, many blood cells in inflammatory exudate. Some severe infectious diseases: streptococcal pneumonia, pestis, epidemic hemorrhagic fever, etc. Endemic Hemorrhagic Fever SARS
38 Hemorrhagic inflammation
Etiology. Extreme temperature, electric shock, ionization, physical injury, etc. Metabolic substances, acids, alkalis drugs, tissue necrosis
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