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Flashcards in Gastrointestinal Deck (94)
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1

Cheiloschisis

Cleft lip

2

Palatochisis

Cleft palate

3

Cause of glossal atrophy in the horse..

Lingual muscle atrophy due to neuropathy of nerves running through the guttural pouch - mycosis

4

Pallor (mm)

Anaemia

Heart failure

5

Cyanosis (mm)

Blue or purple discolouration of the mucus membrane - due to low tissue oxygenation

6

Petechial/ ecchymotic haemorrhage (mm)

Clotting defect

Septicaemia

Intoxication

7

Stomatitis

Inflammation or oral mucous membranes

8

Gingivitis

Inflammation

  • Poor oral hygiene - plaque build up
  • SBI
  • Gingival trauma
  • Immunodeficiency - FIV

 

9

Describe this lesion

Focal area (poorly demarcated) of redenning of the gingival.

Affecting 20% of tissue, areas are soft and mildly oedema.

Chronic focal mild haemorrhagic gingivitis

Cause: poor dental hygiene

10

Describe this lesion

Acute multifocal severe necrotising fibrinous stomatitis

Fusobacterium necrophorum

11

Describe this lesion

Yellow foci spread throughout the tongue muscle.

Chronic multifocal severe pyogranulomatous glossitis

Actinobacillus lignieresi

12

Oribivirus causing cyanosis in livestock

Bluetongue - spread by culicoides

13

What is the pathogenesis of Bluetongue virus?

Causes endothelial damage and vasculitis - microthrombi formation and haemorrhage - leads to ischemic necrosis

14

A picornavirus causing oral vesicles in sheep and cattle.

Foot and mouth disease virus

15

Transmission of FMDV

Aerosol

Oropharyngeal

16

Pathogenesis of FMDV

Ballooning degeneration of glossal mucosal - cell detachment - oedema

Acute focal moderate fibrinous glottitis

17

Picornavirus causing vesicle formation in pigs.

Swine vesicular disease

18

Describe this lesion

Multifocal to coelescing red ulcerative lesions of the oral mucosa of the cow.

Well demarcated - irregularly shaped 2x2mm

Cause: Cytopathic mucosal disease associated with BVDV1 - pestivirus

19

Where can mucosal disease appear in the cow?

Oral mucosa

Glossal mucosa

Rumen

Oesophagus

20

Malignant catarrhal fever is what type of virus

Ovine herpes virus 1

21

Differentials for infectious causes of erosive stomatitis/ glossitis.

  1. FMD
  2. Mucosal disease BVD
  3. MCF Ovine herpes virus 1
  4. Bluetongue
  5. Fusobacterium necrophorum - calf diphtheria
  6. Actinobacillus lignieresi - wooden tongue

 

22

Describe this lesion.

Multifocal to coelescing irregular well demarcated flat ulcers on the palatal surface. The underlying tissue is severely reddened. Lesions are 5x1 cm at the largest.

Also seen is conjunctivitis and keratitis/ muzzle ulceration

Acute multifocal m/s ulcerative stomatitis 

23

What feline viruses cause ulcerative/ erosive stomatitis?

Feline calicivirus 

Feline herpesvirus

24

Ulcerative glossitis associated with FCV/ FHV

Distinguishable since FHV infection shows syncitial cells and possibly inclusion bodies on histological examination

25

Fungal cause of stomatitis, oral ulceration and glossitis in suckling animals and immunocompromised adults.

Candida albicans

26

Parasitic causes of stomatitis, oral ulceration and glossitis

Cystercercus of taenia species:

  • Cellulosae - T. solium in lingual muscles
  • Bovis - T. saginata

Trichinella spiralis

27

Potential causes of tonsilitis

Sytemic pathogens: CAV, Parvo, swine HV

Colonising bacteria: Streptococci, some coliforms - rare primary disease

28

What is the difference between a papilloma and epulide?

Epulides are derived from gingival connective tissue or periodontal ligaments

Papillomas are derived from oral epithelium

29

Describe the lesion

Malignant melanoma of the pigmented mucosa

Highly invasive - to blood and lymphnodes

30

Ameloblastoma

Amelocyte tumour - dental epithelium