Group A streptococcal infection: Difference between revisions

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==Classification==
==Classification==
Group A streptcocci or streptoccus pyogenes causes a wide range of diseases in many organs in the body. It is important to classify the infections caused by the bacteria in order to understand every disease separately. Classification of the group A streptococcal infections will be based on the pathogenesis of the infection and the organ infected. According to the pathogenesis of the infection, they can be classified into pyogenic, toxogenic or immunogenic infections. Based on the location, the streptococcus pyogenes affects the lungs, ear, nose, throat, blood, female genital system and the central nervous system.
{{Family tree/start}}
{{Family tree | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | A01 | | | | | | | |A01= '''Group A streptococcal infections'''}}
{{Family tree | | | | | | | | | | | | | | | | | | | | | | | | |,|-|-|-|-|-|-|-|-|-|-|-|-|-|-|^|-|-|-|-|-|-|-|-|-|-|-|-|-|-|-|-|-|-|-|-|-|-|-|-|-|.| |}}
{{Family tree | | | | | | | | | | | | | | | | | | | | | | | | B01 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | B02 |B01= Pathogenesis| B02= Organ based|}}
{{Family tree | | | | | | | | | | | | | | | | | | | | | | | | |!| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |!| | | | | | | | | |}}
{{Family tree | | | | | | |,|-|-|-|-|-|-|-|-|-|-|-|-|-|-|-|-|-|+|-|-|-|-|-|-|-|-|-|.| | | | | | | | | |,|-|-|-|-|-|-|-|v|-|-|-|-|-|-|-|v|-|-|-|-|+|-|-|-|-|-|v|-|-|-|-|-|-|-|.| |}}
{{Family tree | | | | | | C01 | | | | | | | | | | | | | | | | C02 | | | | | | | | C03 | | | | | | | | C04 | | | | | | C05 | | | | | | C06 | | | C07 | | | | C08 | | | | | | C09 | |C01= Pyogenic|C02= Toxogenic|C03= Immunogenic|C04= Lungs|C05= Ear, nose and throat|C06=Bone|C07= Blood |C08= Female genital system |C09= Brain|}}
{{Family tree | | | | | | |!| | | | | | | | | | | | | | | | | |!| | | | | | | | | |!| | | | | | | | | |!| | | | | | | |!| | | | | | | |!| | | | |!| | | | | |!| | | | | | | |!| | |}}
{{Family tree | | |,|-|-|-|+|-|-|-|v|-|-|-|.| | | | | |,|-|-|-|+|-|-|-|.| | | |,|-|^|-|.| | | | | | | D01 | | |,|-|-|-|+|-|-|-|.| | | D02 | | | D03 | | |,|-|^|-|.| | | |,|-|^|-|.| |D01=Pneumonia|D02=Osteomyelitis|D03=Bacteremia|}}
{{Family tree | | E01 | | E02 | | E03 | | E04 | | | | E05 | | E06 | | E07 | | E08 | | E09 | | | | | | | | | | E10 | | E11 | | E12 | | | | | | | | | | | E13 | | E14 | | E15 | | E16 ||E01=Pharyngitis (Strep throat)|E02=Cellulitis|E03=Impetigo|E04=Erysipellas|E05=Scarlet fever|E06=Toxic shock like syndrome|E07=Necrotizing fascitis|E08=Rheumatic fever|E09=Glomerulonephritis|E10=Sinusitis|E11=Tonsilitis|E12=Otitis media|E13=Postpartum endometritis|E14=Vaginitis|E15=Meningitis|E16=Brain abscess|}}
{{Family tree/end}}


==Pathophysiology==
==Pathophysiology==

Revision as of 18:02, 24 May 2017

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Group A streptococcal infection Microchapters

Home

Overview

Classification

Impetigo
Strep throat
Rheumatic heart disease
Poststreptococcal glomerulonephritis
Sinusitis
Scarlet fever
Tonsilitis
Otitis
Osteomyelitis
Meningitis
Brain abscess
Endometritis
Cellulitis
Erysipelas
Toxic Shock Syndrome

Pathophysiology

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Overview

Classification

Group A streptcocci or streptoccus pyogenes causes a wide range of diseases in many organs in the body. It is important to classify the infections caused by the bacteria in order to understand every disease separately. Classification of the group A streptococcal infections will be based on the pathogenesis of the infection and the organ infected. According to the pathogenesis of the infection, they can be classified into pyogenic, toxogenic or immunogenic infections. Based on the location, the streptococcus pyogenes affects the lungs, ear, nose, throat, blood, female genital system and the central nervous system.


 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Group A streptococcal infections
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Pathogenesis
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Organ based
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Pyogenic
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Toxogenic
 
 
 
 
 
 
 
Immunogenic
 
 
 
 
 
 
 
Lungs
 
 
 
 
 
Ear, nose and throat
 
 
 
 
 
Bone
 
 
Blood
 
 
 
Female genital system
 
 
 
 
 
Brain
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Pneumonia
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Osteomyelitis
 
 
Bacteremia
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Pharyngitis (Strep throat)
 
Cellulitis
 
Impetigo
 
Erysipellas
 
 
 
Scarlet fever
 
Toxic shock like syndrome
 
Necrotizing fascitis
 
Rheumatic fever
 
Glomerulonephritis
 
 
 
 
 
 
 
 
 
Sinusitis
 
Tonsilitis
 
Otitis media
 
 
 
 
 
 
 
 
 
 
Postpartum endometritis
 
Vaginitis
 
Meningitis
 
Brain abscess

Pathophysiology

References


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