Difference between revisions of "Sinusitis"
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+ | =='''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 - inflammatory#Rhinitis|nasal cavity]] | ||
+ | *Purulent sinusitis tends to obstruct drainage -> chronic purulent sinusitis | ||
+ | *Most important in horses due to their complex sinuses | ||
+ | *'''Primary''': | ||
+ | **Young horses are more prone as they are susceptible to [[Respiratory Bacterial Infections - Pathology#Strangles|Strangles]] | ||
+ | **Following transient systemic [[Streptococci|''Streptococcus'']] infection | ||
+ | **Rarely [[Respiratory Fungal Infections - Pathology#In Horses|fungal infections]] | ||
+ | *'''Secondary''': | ||
+ | **Most common sequel to [[Nasal cavity - inflammatory#Rhinitis|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 | ||
+ | |||
+ | *In sheep often due to [[Respiratory Parasitic Infections - Pathology#Oestrus ovis|''Oestrus ovis'']] infection | ||
+ | |||
+ | =='''Infectious causes of sinusitis'''== | ||
+ | |||
+ | {| cellpadding="10" cellspacing="0" border="1" | ||
+ | | . | ||
+ | | [[Respiratory Viral Infections - Pathology|'''VIRAL''']] | ||
+ | | [[Respiratory Bacterial Infections - Pathology|'''BACTERIAL''']] | ||
+ | | [[Respiratory Fungal Infections - Pathology|'''FUNGAL''']] | ||
+ | | [[Respiratory Parasitic Infections - Pathology|'''PARASITIC''']] | ||
+ | |- | ||
+ | | '''Dogs''' | ||
+ | | . | ||
+ | | secondary | ||
+ | | [[Respiratory Fungal Infections - Pathology#In Dogs|''A. fumigatus'']] | ||
+ | | [[Respiratory Parasitic Infections - Pathology#Linguatula serrata|''Linguatula serrata]] | ||
+ | |- | ||
+ | | . | ||
+ | | . | ||
+ | | . | ||
+ | | . | ||
+ | | [[Respiratory Parasitic Infections - Pathology#Capillaria aerophila|''Capillaria aerophila'']] | ||
+ | |- | ||
+ | | '''Cats''' | ||
+ | | [[Respiratory Viral Infections - Pathology#Feline viral rhinotracheitis|Feline viral rhinotracheitis]] | ||
+ | | secondary | ||
+ | | [[Respiratory Fungal Infections - Pathology#In Cats|''Aspergillus fumigatus'']] | ||
+ | | [[Respiratory Parasitic Infections - Pathology#Linguatula serrata|''Linguatula serrata]] sometimes | ||
+ | |- | ||
+ | | . | ||
+ | | . | ||
+ | | . | ||
+ | | . | ||
+ | | [[Respiratory Parasitic Infections - Pathology#Capillaria aerophila|''Capillaria aerophila'']] | ||
+ | |- | ||
+ | | '''Horses''' | ||
+ | | . | ||
+ | | [[Respiratory Bacterial Infections - Pathology#Strangles|Strangles]] | ||
+ | | [[Respiratory Fungal Infections - Pathology#In Horses|''Aspergillus'' spp.]] | ||
+ | | . | ||
+ | |- | ||
+ | | . | ||
+ | | . | ||
+ | | [[Respiratory Bacterial Infections - Pathology#Streptococcus equi subsp. zooepidemicus|''Streptococcus equi subsp. zooepidemicus'']] | ||
+ | | . | ||
+ | | . | ||
+ | |- | ||
+ | | '''Cattle''' | ||
+ | | . | ||
+ | | secondary | ||
+ | | . | ||
+ | | . | ||
+ | |- | ||
+ | | '''Sheep''' | ||
+ | | . | ||
+ | | . | ||
+ | | . | ||
+ | | [[Respiratory Parasitic Infections - Pathology#Oestrus ovis|''Oestrus ovis'' larvae]] | ||
+ | |- | ||
+ | | '''Pigs''' | ||
+ | | [[Respiratory Viral Infections - Pathology#Inclusion body rhinitis|Inclusion body rhinitis]] | ||
+ | | . | ||
+ | | . | ||
+ | | . | ||
+ | |- | ||
+ | |} | ||
+ | |||
+ | |||
+ | |||
+ | <big>'''For an overview of respiratory infections see [[Respiratory System Inflammation - Pathology]]'''</big> |
Revision as of 22:31, 31 July 2008
|
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:
- Young horses are more prone as they are susceptible to Strangles
- Following transient systemic Streptococcus infection
- Rarely fungal infections
- 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
- In sheep often due to Oestrus ovis infection
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