Guttural Pouches Flashcards
What are some main differentials for guttural pouch disease?
GP tymphany
GP empyema
GP Chondroids
GP Mycosis
Temporohyoid osteoarthropahty
In the guttural pouch, anatomy is directly linked to…
clinical sign of disease
What are some structures contained in the guttural pouch?
Medial and Lateral Compartments (medial is larger)
Can hold 300-500ml
Lined by ciliated epithelium that has lymphocytic follicles
Had carotid arteries, maxillary artery, cranial nerves 9 , 10, 11, 12
If the guttural pouch is enlarged, what is shrunk down?
Larynx
What bone divides the guttural pouch?
Stylohyoid bone
What do the pharyngeal ostia do?
during swollowing they allow drainage when horses head is down
What structures are in the medial compartment of the GP?
Internal carotid artery, CN XII, CNIX, CNXI, Sympathetic trunk, longus capitus
What is in the lateral guttural pouch?
External carotid artery, CN7
What are some clinical signs of GP disease?
Nasal discharge (blood or pus) , parotid swelling, dyspnea, cranial nerve dysfunction (Facial, glossopharyngeal, vagus, accessory, hypoglossal)
-Horners, facial paralysis, dysphagia, soft palate function, laryngral dysfunciton
What are some ways you can get into the GP?
Endoscopy
Surgical - last resort (nerve damage)
Transendoscopic laser
What age group does GP tympany occur in?
What are signs?
Whats is occurring to do this?
Birth to a year
Dyspnea, dysphagia and empyema
-salpingopharyngeal osteum become one way valve air trapped in
How do you diagnose GP tympany?
X-ray, endoscopy
How do you treat GP tympany?
Fenestration to stop one way valve - catheter, laser surgery
-median septin fenestration,
-Good prognosis
What is GP Empyema?
Extension of URT infection or burst retropharyngeal lymph node (strangles0
-Intermitant discharge, lymph node enlargement, partoid swelling,
Screen s equi equi
irrigate 7 day and quarantine
