Lecture 9: GI I- oral cavity Flashcards
1
Q
What is the primary function or oral cavity
A
take in food—> chew—> moisten—> swallow
2
Q
what type of epithelium makes up gingiva and oral mucosa
A
stratified squamous epithelium
3
Q
Identify 1-2
A
- Oral mucosa
- Gingiva
4
Q
the tongue is coated in __, supported by a core of __
A
oral mucosa, skeletal muscle
5
Q
what arrow pointing to
A
dental pad
6
Q
what on tongue/ oral mucosa
A
papillae
7
Q
what is involved in defense in oral cavity
A
- Mucosa coating
- Antibacterial compounds- hydrogen peroxide, secretory IgA
- Digestive enzymes
- Normal flora
- Epithelial barrier
- Lymphoid tissue- tonsils
8
Q
What wrong and what predisposed to
A
cleft palate- predisposed to aspiration pneumonia
9
Q
what wrong
A
Brachygnathia superior- maxilla shorter than mandible
10
Q
what wrong
A
Brachygnathia inferior-mandible shorter than maxilla
11
Q
inflammation of oral cavity
A
stomatitis
12
Q
Inflammation of tongue
A
glossitis
13
Q
inflammation of gums
A
gingivitis
14
Q
inflammation of caudal oral cavity
A
faucitis
15
Q
inflammation of lips
A
chelitis
16
Q
inflammation of salivary glands
A
sialoadentitis
17
Q
what are 2 potential consequences of stomatitis
A
- Hypersalivation
- Osteomyelitis
18
Q
identify lesions 1-3
A
- Papule
- Vesicle
- Erosion/ulceration
19
Q
what are some clinical signs of stomatitis and gingivitis
A
hypersalivation and anorexia
20
Q
what viruses cause papular stomatitis
A
pox viruses
21
Q
what viruses cause vesicular stomatitis
A
- FMD
- Vesicular stomatitis
- Vesicular exanthema of swine
- Swine vesicular disease
22
Q
cow- what wrong and what cause
A
Bovine papular stomatitis
Cause: bovine parapox virus
23
Q
vesicular lesions must be distinguished from ___first
A
FMD
24
Q
what is the cause of FMD
A
picornavirus
25
What is cause of vesicular stomatitis
rhabdovirus
26
what causes vesicular exanthema of swine
calicivirus
27
what causes swine vesicualr disease
enterovirus
28
what are some gross lesions of all vesicular stomatitides
vesicles/blisters, ulcers of oral cavities
29
what are the microscopic lesions of all vesicular stomatitides
vesicles within epithelium—> erosion/necrosis
30
how do you dx vesicular stomatitides
PCR
31
what should you do first when you suspect vesicular stomatitides
contact state vet
32
Who does FMD affect
calves and pigs
33
is FMD in U.S.
no
34
how is FMD transmitted
direct contact, aerosol
35
what is the only vesicular stomatitides horses get
vesicular stomatitis virus
36
what wrong and what cause
FMD
Cause: picornavirus
37
What wrong and what are two potential dx
ulcerative stomatitis
Dx: FHV-1 or calicivirus
38
what are some causes for erosive and ulcerative stomatitis in ruminants (not vesicular)
1. BVDV
2. MCF
3. Bluetongue
4. IBR or BHV-1
39
what is the cause of BVDV
pestivirus
40
what are the two strains of BVDV
non-cytopathic and cytopathic
41
what are the two forms of GI disease caused by BVDV and associated morbidity and mortality
1. Viral disease- low morality, high morbidity
2. Mucosal disease- high mortality, low morbidity
42
describe the non cytopathic and cytopathic strains of BVDV
1. Non-cytopathic: exposed 30-110 days gestation—>persistent infection—> calf exposed after birth to cytopathic strain—> mucosal disease
2. Cytopathic strain—> exposed before 30-110 days—> early embryonic death, abortion, cerebellar hypoplasia
43
what are some gross lesions associated with mucosal disease BVDV
erosions/uclers on muzzle, oral cavity, esophagus, small intestines over Peyers patches
44
based on these lesions what you concerned about
Mucosal disease from BVDV
45
what is the cause of malignant catarrhal fever
herpesvirus, most common ovine herpesvirus 2
46
what does MCF cause
fever, diarrhea, hemorrhagic gastroenteritis
47
cattle with MCF most common become infected after exposure to __
sheep carriers
48
what is a unique gross lesion of MCF
corneal opacity/ corneal edema
49
what is the main microscopic lesion for MCF
vasculitis
50
how do you dx MCF
PCR
51
cow presents with oral ulcers, diarrhea, corneal edema. Owner informs you they also live with sheep. Perform histopath. What you concerned about
MCF- vasculitis in histo
52
what wrong and what organ you concerned about
Ulcerative uremic glossitis
Concern for kidneys
53
what causes pseudomembranous glossitis in horses (thrush)
candida spp
54
arabian foal presents to necropsy floor, euthanized due to constant repeated infections and very ill. This is tongue from horse what is wrong
Pseudomembranous glossitis caused by candida spp
55
what species/breed is classic presentation for pseudomembranous glossitis
Arabian foal with SCID- lack functional B and T lymphocytes
56
what is the cause of lumpy jaw in cattle
actinomyces Bovis
57
what is cause of wooden tongue in cattle
actinobacillus lignieresii
58
what is pathogenssis of the following lesion and dx from cow
1. Bacteria enters soft tissue following trauma
2. Extends to bone
3. Pyogranulomatous osteomyelitis
Dx: lumpy jaw caused by actinomyces bovis
59
Cow tongue- what is pathogenesis of this lesion and dx
1. Bacteria enter soft tissue from trauma
2. Pyogranulomatous glossitis
Dx: wooden tongue caused by actinobacillus ligneresi
60
what dogs are predisposed to eosinophilic granuloma complex
Siberian huskies and KCCS
61
what is required to dx eosinophilic granuloma
biopsy
62
KCCS presents with these firm, ulcerated oral lesions- perform biopsy and see this- what is dx
eosinophilic granuloma complex’s
63
from cat- what dx
Chronic lymphoplasmacytic stomatitis
64
what are some causes of lymphoplasmacytic stomatitis
1. Calicivirus
2. FeLV
3. FIV
65
What this and what breeds is most common in
gingival hyperplasia- most common in brachycephalics, especially boxers
66
What these and what cause
canine oral papillomas
Cause: canine papilloma virus
67
what is the most common malignant oral neoplasia of dogs
melanoma
68
what is most common malignant oral neoplasia of cats
SCC
69
what dx and prognosis
malignant melanoma- poor prognosis
70
from cat- what is dx
SCC
71
What dx and which breed is predisposed
Fibrosarcoma
Golden retrievers predisposed
72
what this
hyperdontia
73
What is pathogenesis of these lesions
Enamel hypoplasia
Ameloblast destruction—>decreased enamel production
74
what causes enamel hypoplasia in dogs and ruminants
dogs: distemper virus
Ruminants: excess fluoride
75
chronic dental disease can lead to what problems
suppurative periodontitis/ osteomyelitis—> tooth root abscess or oronasal fistulas
76
what is the most common tooth for tooth root abscesses
upper 4th premolar (carnassial tooth)
77
what this and what does it arise from
peripheral odontogenic fibromas- arise from periodontal ligament
78
tissue from ox. What would be your morphological diagnosis for lesion below and what are 5 differentials
Erosions and ulcers
1. FMD
2. BVDV
3. MCF
4. vesicular stomatitis
5. infectious bovine rhinotracheitis (BHV-1)
