Alimentary - Oral Cavity

Question 1

4 Portals of entry for a pathogen?

Answer 1

Ingestion - #1
Coughed - Lungs –> Swallowed
Hematogenous - systemic
Migration through tissues - parasite

Question 2

Oral - Congenital Anomalies

Answer 2

• Cleft Palate/Lip

- Malocclussions

Question 3

Oral - Dental/Periodontal Diseases

Answer 3

• Dental attrition

- Periodontal Dz

Question 4

Oral - Tongue

Answer 4

• Wooden tongue

- Thrush (candidiasis)

Question 5

Oral - Stomatitis

Answer 5

• -> Inflammation of mouth/lip
• Pathogen
• Trauma
• Chemical Injury
• Auto-Immune
• Idiopathic

Question 6

Stomatitis - Lymphoplasmacytic gingivitis

Answer 6

Cat - many are FeLV or FIV +

Question 7

Stomatitis - Feline chronic gingivo-stomatitis (FCGS)

Answer 7

• Etiology - unclear
• Oral pain, dysphagia, ptyalism, weight loss
• Plaque, FCV, immune-mediated
• FIV + cats

Question 8

Chronic ulcerative (lympho-plasmacytic) paradental stomatitis

Answer 8

-Older dogs

Question 9

Vesicular stomatitides in mouth

Answer 9

cats - calicivirus infection

Rule out:

• small animal - auto-immune
• large/food animal - viral dz that is nonfatal yet large economic loss

Question 10

Viral Vesicular Stomatitides

Answer 10

• epithelial damage
• intracellular edema in keratinocytes (ballooning degeneration)
• vesicles/bullae
• erosion/ulceration

Question 11

Vesicular glossitis - cat

Answer 11

Calicivirus infection

Question 12

Foot and Mouth Dz - Picornoavirus

Answer 12

• Ruminants, pigs

- NO horses

Question 13

Vesicular Stomatitis - Rhabdovirus

Answer 13

-Ruminants,pigs, horses

Question 14

Vesicular Exanthema of swime - Calicivirus

Answer 14

-Pigs

Question 15

Swine Vesicular Dz - Enterovirus

Answer 15

-Pigs

Question 16

FMD - exotic and highly contagious

Answer 16

-high morb, low mort
-ingest/inhale
-ptyalism, lameness
-sloughing of hoof
-malignant - myocardial necrosis - young = TIGER HEART - striping
-

Question 17

Vesicular Exanthema - Calicivirus

Answer 17

Pig - snout

Question 18

Erosive-Ulcerative stomatitides

Answer 18

Cow - BVD; Malignant catarrhal fever

Question 19

Papular Stomatitides - Parapoxvirus

Answer 19

• nares, muzzle, oral cavity
• ballooning degeneration, intracytoplasmic inclusions
• related to pseudocowpox –> milker’s nodules - human hand

Question 20

Contagious Ecthyma - (parapoxvirus) - orf, sore mouth

Answer 20

• high morbid, low mort
• loss of condition - can’t suckle nor graze
• lambs + goat kids 3-6 mo
• lesions in traumatic sites - corners of mouth, mam gland, coronary band

Question 21

Necrotizing Stomatitis

Answer 21

• oral necrobacillosis
• Fusobacterium necrophorum
• CALF DIPHTHERIA
• PAS - filamentous

Question 22

Feline eosinophilic granuloma

Answer 22

• eosinophilic granuloma, labial and rodent ulcer

- young cats

Question 23

Non-neoplastic proliferative lesions of Oral cavity

Answer 23

-Gingival hyperplasia

Question 24

Oral neoplasia

Answer 24

• Epulis - tumor of periodontal ligament
• fibromatous and ossifying epulis are benign
• Acanthomatous ameloblastoma - locally aggressive and recur after excision

Question 25

Canine Oral Papillomatosis

Answer 25

- Papovavirus - papilliform lesions of lips and oral mucosa - transmissible - animals < 1 YO - spontaneous regression and long term immunity

Question 26

oral papilloma

Answer 26

- verrucous | - thick keratinized stratified squamous epithelium

Question 27

Oral Melanoma

Answer 27

-Dog ~90% malignant -Predisposed: small breed and oral pigmentation