Changes

*Fibrinous necrotising diphtheritic inflammatory process

*Fibrinous necrotising diphtheritic inflammatory process

*Most often caused by [[Aspergillus spp.|''Aspergillus'' spp.]]

*Most often caused by [[Aspergillus spp.|''Aspergillus'' spp.]]

*Tends to invade neighbouring structures - nerves (causing e.g. [[Larynx Degenerative - Pathology#Laryngeal hemiplegia|laryngeal hemiplegia]]), blood vessels (rupture of internal carotid), bones (osteitis, fusion of stylohyoid and petrous temporal bones)

*Tends to invade neighbouring structures - nerves (causing e.g. [[Laryngeal Hemiplegia|laryngeal hemiplegia]]), blood vessels (rupture of internal carotid), bones (osteitis, fusion of stylohyoid and petrous temporal bones)

**Often associated with haemorrhage (see [[Respiratory System Clinical Signs - Pathology|epistaxis]])

**Often associated with haemorrhage (see [[Respiratory System Clinical Signs - Pathology|epistaxis]])

[[Category:Guttural Pouch - Pathology]]

[[Category:Guttural Pouch - Pathology]]