Inflammations assistant-professor Volodymyr Voloshyn (in accordance with Ya.Ya. Bodnar et al., Rubin & Farber, Serov et al.; Frank Netter’s illustrations) 1 • Inflammation is a typical pathological process which arises up as a reflex to the destroing agent action. It was made in the phylogenesis process and has the protection & adaptation value. 2 Etiology. • exogenous: – biological – physical – chemical • endogenous: - the structures of own tissue and cells - the metabolism’s products - immune complexes 3 hystion: • morphofunktional unit of connecting tissue, which includes cellular elements, fibers, basic matter, nerves and their completions, haemomicrocirculation channel and lymphatic ways 4 Inflammation Indications (markers) • Clinical: – – – – – temperature; tumor; hyperaemia; pain; function lose. • Morphological: – Alterations (A): (primary, secondary); – Exudation (B); – Proliferation (C). 5 A B C Pathogeny of inflammation Exudation Alteration Dystrophy Microcirculati on changes Spasm Paresis Plasma infiltration Endoteliocells activation Necrosis Blood cells immigration Leucodiapedesis Phagocytosis Completed Uncompleted Marginal leucocells placing Mitosis Plasmorrhagy Proliferation Утворення ексудату Erythrodiapedesis Amitosis Endocytobiosis 6 A B C Pathogeny of inflammation Alteration Dystrophy Necrosis Exudation Microcirculation changes Spasm Paresis Plasma infiltration Endoteliocells activation Blood cells emigration Leucodiapedesis Phagocytosis Completed Uncompleted Marginal leucocells placing Mitosis Plasmorrhagy Proliferation Утворення ексудату Erythrodiapedesis Amitosis Endocytobiosis 7 Reasons of exudation: • a) an increasing of pressure at arterial and venous hyperemia; • b) increase of vascular wall permeability under neurohumors act of inflammation, hydrogen and potassium ions, ATP acid, milk and other acids; • c) oncotic pressure growthing outside vessels as a result of disintegration of albuminous molecules and output of albumin. 8 Types of exudates inflammation: • serosal (2 % protein) • fibrinoid (crouposis or diphtheritic) • purulent (festered): (acute or chronic) (abscess, phlegmon, empyema) • putrid • hemorrhagic • catarrhal: – acute: serosal, mucus, festering, putrid, hemorrhagic; – chronic: atrophic, hypertrophic; • mixed. 9 A B C Pathogeny of inflammation Alteration Dystrophy Necrosis Exudation Microcirculati on changes Spasm Paresis Plasma infiltration Blood cells emigration Endoteliocells activation Leucodiapedesis Phagocytosis Completed Uncompleted Marginal leucocells placing Mitosis Plasmorrhagy Proliferation Утворення ексудату Erythrodiapedesis Amitosis Endocytobiosis 10 Periods of Emigration • marginate • penetration is through a vascular wall • motion is in tissue 11 Infiltration types • • • • by polymorphonuclear leucocytes roundcells macrophage (pale-gray infiltration) eosinofilic • hemorrhagic : (and signs) (gray-green tint) (erythrocytes infiltration) 12 A B C Pathogeny of inflammation Alteration Dystrophy Necrosis Exudation Microcirculati on changes Spasm Paresis Plasma infiltration Endoteliocells activation Blood cells immigration Leucodiapedesis Phagocytosis Completed Uncompleted Marginal leucocells placing Mitosis Plasmorrhagy Proliferation Утворення ексудату Erythrodiapedesis Amitosis Endocytobiosis 13 Stages of phagocytosis: approaching adhesion absorption digestion 14 A B C Pathogeny of inflammation Alteration Dystrophy Necrosis Exudation Microcirculati on changes Spasm Paresis Plasma infiltration Endoteliocells activation Blood cells immigration Leucodiapedesis Phagocytosis Completed Uncompleted Marginal leucocells placing Mitosis Plasmorrhagy Proliferation Утворення ексудату Erythrodiapedesis Amitosis Endocytobiosis 15 Consequences of inflammation: • • • • a) complete restore; b) scarring formed; c) chronic form; d) death. 16 Classifications of inflammation: • Etiology: a) banal; b) specific; • Process rate: a) lightning; b) subacute; c) acute; d) chronic • Process predominance of banal inflamation: a) exsudative; b) productive. 17 • Acute inflammation ---1) hyperemia, peristasis and stasis) 2) edema, fibrinous exudates Suppurative inflammation abscesses Endotoxemia circulatory shock. 18 Types of exudates inflammation: • serosal (2 % protein) • fibrinoid (crouposis or diphtheritic) • purulent (festered): (acute or chronic) (phlegmon, abscess, empyema) • putrid • hemorrhagic • catarrhal: – acute: serosal, mucus, festering, putrid, hemorrhagic; – chronic: atrophic, hypertrophic; • mixed. 19 20 Serous rhinitis in allergic nasal polyp Pseudomembranous enteritis Serous rhinitis in allergic nasal polyp; note the severe edematous swelling of the stroma (arrow). Pseudomembranous enteritis (serofibrinous exudate) in small intestine of baby with staphylococcal food poisoning; note the loose yellowish membranes covering the mucosa (arrow). a b 20 • Suppurative microcarditis with abscess formation and bacterial colonies, gross (left) and microscopic (right). note the well-circumscribed yellow necroses (arrow) and fine granular bacterial colonies (arrow). 21 Bronchopneumonia (hemorrhagic) 22 Bronchopneumonia (hemorrhagic) • the prominent extravasation of erythrocytes (arrow) 23 Necrotizing pneumonia, microscopic view; note the pale granular destruction of lung tissue (arrow). 24 Chronic Inflammation 25 Types of productive (proliferative) inflammation • interstitial (acute or chronic) • with polypus and pointed kondilom formation • granulomatosic (acute or chronic) • hyperplastic of lymphoid tissue • Around animal parasites 26 26 Phases of granulomes organizing: • Accumulation young mononuclear; • their transformation into macrophages; • formation of mature granulomaes. 27 Granulamatosis inflammation Unspecific Specific Acute Chronic Tuberculosis Syphilis (Luis) Rheumatism Syphilis (Luis) Brucellosis Leprosy Tularemia Rinoscleroma Sarcoidosis Glanders Typhus, spotted fever Typhoid (fever) Hydrophobia 28 Granulomatous (fungal) pneumonitis, gross (left) and microscopic (right) with fungal organisms {histoplasma sp. red in PAS stain) in giant cells (arrows). 29 • Chronic (lymphocytic) gastritis microscopic (right) with fungal organisms {histoplasma sp. red in PAS stain) in giant cells (arrows). • Severe chronic fibrosing pneumonitis ("carnification"), gross appearance 30 • Granulation tissue Granulation tissue (skin wound) preceding repair with fibrosis; note the edematous stroma with mixed inflammatory infiltration and proliferation of capillaries (arrow). 31 • Fibrosing granulomatous pneumonitis in autoimmune disease (Wegener granulomatosis) note the fibrosing granulomas and the surrounding interstitial lymphocytic infiltration with progressive fibrosis (arrow). • Chronic atrophic enteritis (Crohn's) with mucosal atrophy in a patient with Crohn's disease; note the fibrous thickening of the terminal ileum with loss of mucosal structure (arrow). 32 • Type I (allergic) reaction, bronchial asthma with prominent bullous emphysema of the lung Type II (toxic) reaction, necrotizing glomerulus and vasculitis with fibrinoid necrosis in patient with panarteritis nodosa, 33 • type II reactive • necrotic the homogeneous red necroses of glomerular vessels and arteries 34 Type I (allergic) reaction, bronchial asthma with prominent bullous emphysema of the lung (left), and typical eosinophilic bronchitis with sclerosis of epithelial basement membrane Type I (allergic) reaction (bronchial asthma): typical eozinophilic bronchitis with sclerosis of epithelial basement membrane (arrow). 35 Type III (immune complex) reaction, membranous glomerulus with immune complex deposits. 36 Type III (immune complex) reaction (membranous glomerulus) note the prominent thickening of glomerular capillary basement membranes (arrow). 37 Kidney transplant rejection (lymphocytic), gross appearance of kidney (left), interstitial lymphocytic infiltration with tubular damage (right, arrow). • 38 Granulomatous pneumonitis showing gross (left) and microscopic (right) features of pulmonary tuberculosis; note the well-circumscribed granulomas with giant cells and • (caseous) necrosis (arrow). central • 39 Morphological markers of specific granulomaes Tuberculosis Syphilis Leprosy Necrosis Vasculites Epitelioid cells Necrosis Epitelioid cells Lymphocytes Epitelioid cells Virkhov;s cells Fibroblastes Solitary plasmocytes Gigantic cells of Pirohov’ & Langans’ Lymphocytes Plasmocytes Multitude plasmocytes Gigantic cells of Pirohov’ & Langans’ Lymphocytes 40 Morphological markers of specific granulomaes Rinoscleroma Glanders Epitelioid cells Granulation tissue Plasmocytes Neutrophyles Leucocytes Mikulch’ cells necrosis with kariorexis Hyaline globes Microabscesses 41 AIDS (acquired immune deficiency syndrome). Periods: • incubate (asymptomatic carrier) • limphadenopathic syndrome (LAS) • pre – AIDS (syndrome which is associative with AIDS) • acquired immune deficiency syndrome (AIDS). 42 38 AIDS Syndromes: • lymphatic nodes defeat • injury, which formed at opportunistic infections • development of malignant tumors. 43 AIDS stages • Follicular hyperplasia • Diffuse hyperplasia by angioimmunoblastic lymphadenopatic type • Lymphoid emaciation (виснаження) . 44 and there is the end… 45 Thank you for attention! 46