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==Description==  
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== Description ==
Can result from trauma to the salivary gland. The parotid gland is most likely to form a fistula. Injury may be due to:
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*Traumatic wound
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A salivary fistula can result from injury to any salivary gland, but most commonly the parotid. Fistulas forming from other glands is uncommon. 
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Injury may be due to:  
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*Traumatic wound to the face e.g. bite wound
 
*Abscess drainage
 
*Abscess drainage
*Iatrogenic rupture
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*Iatrogenic rupture following prior surgery in the region
The continuous flow of saliva prevents healing.
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*Exopthalmus is the most likely cause of zygomatic duct injury
==Diagnosis==
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===Clinical Signs===
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The continuous flow of saliva prevents healing and therefore a fistula develops
*Discharge from fistula (must be differentiated from a draining sinus)
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==Treatment==
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When a salivary duct injury occurs due to trauma on the face, this results in a fistula being created which will cause discharge of saliva onto the face. Discharge from the gland may be noticably worse before or during feeding.<br>
Surgical ligation of the duct or complete removal of the gland.
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==References==
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== Diagnosis ==
Merck & Co (2008) '''The Merck Veterinary Manual'''
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[[Category:Salivary_Glands_-_Pathology]][[Category:To_Do_-_Kate]]
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=== Clinical Signs ===
[[Category:Oral Diseases - Dog]]
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[[Category:Oral Diseases - Cat]]
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*Fistula visible over parotid region, or located upon clinical examination
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*Discharge from fistula (must be differentiated from a draining sinus) resulting in a visibly wet face
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*History or current presence of a wound over the parotid region<br>
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Differentiation from a draining sinus by assessment of the discharge- salivary fistula will discharge a golden or blood tinged saliva, which will be viscous and 'stringy' in appearance. Mucous can be identified in this by use of periodic acid-schiff stain.
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== Treatment ==
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Surgical ligation of the duct or complete removal of the gland is neccesary
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== References ==
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Merck &amp; Co (2008) '''The Merck Veterinary Manual'''  
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[[Category:Salivary_Glands_-_Pathology]] [[Category:To_Do_-_Kate]] [[Category:Oral_Diseases_-_Dog]] [[Category:Oral_Diseases_-_Cat]]
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