Difference between revisions of "Sinusitis"

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|backcolour = D1EEEE
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|linkpage =Cardiorespiratory System - Pathology
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|linktext =Cardiorespiratory System
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|maplink = Cardiorespiratory System (Content Map) - Pathology
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|pagetype =Pathology
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|sublink1=Paranasal sinuses - Pathology
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|subtext1=PARANASAL SINUSES
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<br>
 
=='''Sinusitis'''==
 
=='''Sinusitis'''==
  
 
*Often undetected unless it causes facial deformity or a draining tract onto the skin
 
*Often undetected unless it causes facial deformity or a draining tract onto the skin
*Seromucous sinuitis in not significant, often an extension of viral infection in [[Rhinitis#Rhinitis|nasal cavity]]
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*Seromucous sinuitis in not significant, often an extension of viral infection in [[Nasal Cavity Inflammatory - Pathology#Rhinitis|nasal cavity]]
 
*Purulent sinusitis tends to obstruct drainage -> chronic purulent sinusitis
 
*Purulent sinusitis tends to obstruct drainage -> chronic purulent sinusitis
 
*Most important in horses due to their complex sinuses
 
*Most important in horses due to their complex sinuses
 
*'''Primary''':
 
*'''Primary''':
**Young horses are more prone as they are susceptible to [[Strangles|Strangles]]
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**Young horses are more prone as they are susceptible to [[Respiratory Bacterial Infections - Pathology#Strangles|Strangles]]
**Following transient systemic [[:Category:Streptococcus species|''Streptococcus'']] infection
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**Following transient systemic [[Streptococci|''Streptococcus'']] infection
**Rarely [[:Category:Respiratory Fungal Infections|fungal infections]]  
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**Rarely [[Respiratory Fungal Infections - Pathology#In Horses|fungal infections]]  
 
*'''Secondary''':
 
*'''Secondary''':
**Most common sequel to [[Rhinitis#Rhinitis|rhinitis]]
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**Most common sequel to [[Nasal Cavity Inflammatory - Pathology#Rhinitis|rhinitis]]
 
**Dental or periodontal disease (maxillary sinus)
 
**Dental or periodontal disease (maxillary sinus)
 
**Penetrating infections from dehorning wounds and fractures of facial bones (frontal sinus)
 
**Penetrating infections from dehorning wounds and fractures of facial bones (frontal sinus)
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*May result in empyema, inspissated exudate, in horses
 
*May result in empyema, inspissated exudate, in horses
  
*In sheep often due to [[Oestrus ovis|''Oestrus ovis'']] infection
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*In sheep often due to [[Respiratory Parasitic Infections - Pathology#Oestrus ovis|''Oestrus ovis'']] infection
  
 
=='''Infectious causes of sinusitis'''==
 
=='''Infectious causes of sinusitis'''==
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{| cellpadding="10" cellspacing="0" border="1"  
 
{| cellpadding="10" cellspacing="0" border="1"  
 
| .
 
| .
| [[:Category:Respiratory Viral Infections|'''VIRAL''']]
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| [[Respiratory Viral Infections - Pathology|'''VIRAL''']]
| [[:Category:Respiratory Bacterial Infections|'''BACTERIAL''']]
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| [[Respiratory Bacterial Infections - Pathology|'''BACTERIAL''']]
| [[:Category:Respiratory Fungal Infections|'''FUNGAL''']]
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| [[Respiratory Fungal Infections - Pathology|'''FUNGAL''']]
| [[:Category:Respiratory Parasitic Infections|'''PARASITIC''']]
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| [[Respiratory Parasitic Infections - Pathology|'''PARASITIC''']]
 
|-
 
|-
 
| '''Dogs'''
 
| '''Dogs'''
 
| .
 
| .
 
| secondary
 
| secondary
| [[Aspergillus spp.|''A. fumigatus'']]
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| [[Respiratory Fungal Infections - Pathology#In Dogs|''A. fumigatus'']]
| [[Linguatula serrata|''Linguatula serrata]]
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| [[Respiratory Parasitic Infections - Pathology#Linguatula serrata|''Linguatula serrata]]
 
|-
 
|-
 
| .
 
| .
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| .
 
| .
 
| .
 
| .
| [[Capillaria|''Capillaria aerophila'']]
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| [[Respiratory Parasitic Infections - Pathology#Capillaria aerophila|''Capillaria aerophila'']]
 
|-
 
|-
 
| '''Cats'''
 
| '''Cats'''
| [[Feline Herpesvirus 1|Feline Herpesvirus 1]]  
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| [[Respiratory Viral Infections - Pathology#Feline viral rhinotracheitis|Feline viral rhinotracheitis]]  
 
| secondary
 
| secondary
| [[Aspergillus spp.|''Aspergillus fumigatus'']]
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| [[Respiratory Fungal Infections - Pathology#In Cats|''Aspergillus fumigatus'']]
| [[Linguatula serrata|''Linguatula serrata]] sometimes
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| [[Respiratory Parasitic Infections - Pathology#Linguatula serrata|''Linguatula serrata]] sometimes
 
|-
 
|-
 
| .
 
| .
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| .
 
| .
 
| .  
 
| .  
| [[Capillaria|''Capillaria aerophila'']]
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| [[Respiratory Parasitic Infections - Pathology#Capillaria aerophila|''Capillaria aerophila'']]
 
|-
 
|-
 
| '''Horses'''
 
| '''Horses'''
 
| .
 
| .
| [[Strangles|Strangles]]
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| [[Respiratory Bacterial Infections - Pathology#Strangles|Strangles]]
| [[Aspergillus spp.|''Aspergillus'' spp.]]
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| [[Respiratory Fungal Infections - Pathology#In Horses|''Aspergillus'' spp.]]
 
| .
 
| .
 
|-
 
|-
 
| .
 
| .
 
| .
 
| .
| ''[[Streptococcus equi subsp. zooepidemicus]]
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| [[Respiratory Bacterial Infections - Pathology#Streptococcus equi subsp. zooepidemicus|''Streptococcus equi subsp. zooepidemicus'']]
 
| .
 
| .
 
| .
 
| .
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| .
 
| .
 
| .
 
| .
| [[Oestrus ovis|''Oestrus ovis'' larvae]]
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| [[Respiratory Parasitic Infections - Pathology#Oestrus ovis|''Oestrus ovis'' larvae]]
 
|-
 
|-
 
| '''Pigs'''
 
| '''Pigs'''
| [[Inclusion Body Rhinitis|Inclusion body rhinitis]]
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| [[Respiratory Viral Infections - Pathology#Inclusion body rhinitis|Inclusion body rhinitis]]
 
| .
 
| .
 
| .
 
| .
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  <big>'''For an overview of respiratory infections see [[Respiratory System Inflammation - Pathology]]'''</big>
 
 
 
 
[[Category:Paranasal Sinuses - Pathology]]
 
[[Category:Respiratory System - Inflammatory Pathology]]
 

Revision as of 21:41, 4 August 2008

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()Map CARDIORESPIRATORY SYSTEM (Map)
PARANASAL SINUSES



Sinusitis

  • Often undetected unless it causes facial deformity or a draining tract onto the skin
  • Seromucous sinuitis in not significant, often an extension of viral infection in nasal cavity
  • Purulent sinusitis tends to obstruct drainage -> chronic purulent sinusitis
  • Most important in horses due to their complex sinuses
  • Primary:
  • Secondary:
    • Most common sequel to rhinitis
    • Dental or periodontal disease (maxillary sinus)
    • Penetrating infections from dehorning wounds and fractures of facial bones (frontal sinus)
    • Expanding mass
  • Purulent inflammation of sinuses is likely to become chronic due to poor drainage
  • Inflammation may block the drainage of the sinuses and cause distortion of the overlying bones
  • May result in empyema, inspissated exudate, in horses

Infectious causes of sinusitis

. VIRAL BACTERIAL FUNGAL PARASITIC
Dogs . secondary A. fumigatus Linguatula serrata
. . . . Capillaria aerophila
Cats Feline viral rhinotracheitis secondary Aspergillus fumigatus Linguatula serrata sometimes
. . . . Capillaria aerophila
Horses . Strangles Aspergillus spp. .
. . Streptococcus equi subsp. zooepidemicus . .
Cattle . secondary . .
Sheep . . . Oestrus ovis larvae
Pigs Inclusion body rhinitis . . .


For an overview of respiratory infections see Respiratory System Inflammation - Pathology