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GI Pathology: Oral Cavity: Oral Mucosa - Coggle Diagram
GI Pathology: Oral Cavity: Oral Mucosa
stomatitis
examples
glossitis
gingivitis
cheilitis
vesicles
epithelial cell infection with ballooning degeneration
rupture above bm
erosions
heal
scar
infection
viral causes
picornavirus
Foot n Mouth dz
ruminants
pigs
swine vesicular dz
rhabdovirus
ruminants (not sheep/goats)
HORSE; FMD rule-out
can affect other areas of skin
calicivirus
vesicular exanthema of swine/sea lions
feline
Herpes B
erosive/ulcerative stomatitis virsuses
bovine viral diarrhea
malignant catarrhal fever
orbivirus
bluetongue
epizoonotic hemorrhagic dz
adenovirus in deer
Rinderpest
infecious bovine rhintracheitis
feline
calicivirus
herpesvirus
cause apoptosis and necrosis of epithelial cells
immune causes
pemphigus vulgaris
deep necrosis
opportunistic infections from trauma
oral necrobacillosis
Fusobacterium necrophorum
actinobacillosis
wooden tongue
Actinobacillus ligneresi
actinomycosis
lumpy jaw
Actinomyces bovis
most commonly seen of oral pathologies
marked proliferative bone rxn
erosions
often progress to ulcers
feline
plasmacytic gingivitis
eosinophilic gingivitis/cheilitis
feline eosinophilia granuloma
unknown cause
peropheral blood eosinophilia
often mistaken for cancer, usually nbd
uremic stomatitis
assocaited with chronic renal dz
caused by increased blood urea nitrogen
papules
papular "proliferative" stomatitis
bovine papular stomatitis
zoonotic
ovine contagious ecthyma
zoonotic, "Orf"
parapoxvirus
hint: viruses with -pox means proliferative
foreign bodies
cat chronic glossitis
plant material
equine gingival hyperplasia
neoplasms
fibromatous epulis
odontogenic tumor
ddx gingival hyperplasia
periodontal ligament
benign
most common canine oral tumor
rxn to injury
squamous cell carcinoma
most common feline oral malignancy
raised plaques
gingival, tongue, tonsil ulcers
locally invasive
may metastasize to..
adjacent bone
mandibular lymph nodes
number 2 canine oral malignancy
melanoma
digits, oral cavity
most common canine oral malignancy
locations
gingiva
lips
tongue
palates
color
melanotic
observe melanin in anaplastic cells
amelanotic
may be mistaken for SCC
need IHC to differentiate
metastasis
70-80% of cases
common sites
lungs
draining lymph nodes
bones
can be v different from primary tumor
papillomatosis
papova viruses
warts
contact spread
self-limiting
young animals
lymphoma
plasmacytomas
fibrosarcoma
usually on gingiva
replace surrounding soft tissue and maxilla
not metastatic
need to biopsy deeply for anaplastic
acanthomatous ameloblastoma
locally invasive
no metastasis
old dogs
epilthelium + CT tissue stroma
may replace tooth and bone