Difference between revisions of "Category:Nasal Cavity - Degenerative Pathology"

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===Nasal amyloidosis===
+
===[[Nasal Amyloidosis]]===
  
*Deposition of amyloid in nasal submucosa of horses
 
*Not part of generalised amyloidosis
 
*May extend to [[Larynx - Anatomy & Physiology|larynx]]
 
*Nodular of diffuse
 
*Stenosis may cause obstruction
 
*Smooth surface, waxy sheen on cut surface
 
*Macrophages and lymphocytes, giant cells
 
*May have overlying ulceration of mucosa
 
*Large firm nodules in alar folds, rostral nasal septum and floor of nasal cavity
 
*Micro:
 
**Deposition of hyaline material in nasal mucosa
 
  
 
==Circulatory disturbances==
 
==Circulatory disturbances==

Revision as of 14:49, 19 July 2010



In Horses

Nasal Septum Thickening

Nasal Amyloidosis

Circulatory disturbances

Congestion and Hyperaemia

  • Congestion - passive interference with venous return
    • Non-specific
    • Commonly found at post-mortem
  • Hyperaemia - active vasodilation
    • Associated with early stages of inflammation


Haemorrhage

  • Can result from local trauma or just transfer blood from lower down in the respiratory tract (see epistaxis)

Pages in category "Nasal Cavity - Degenerative Pathology"

The following 4 pages are in this category, out of 4 total.