34. Hepatitis. Viral and parasitic infections of the liver

Question 1

types of hepatitis are based on

Answer 1

duration
expansion
portal of entry

Question 2

3 types of hepatitis based on duration

Answer 2

acute
subacute
chronic

Question 3

3 types of hepatitis based on expansion

Answer 3

diffuse
circumscribed
multiplex nodular

Question 4

3 types of hepatitis based on portal of entry

Answer 4

hematogenous
biliary
direct contact

Question 5

cut surface of
serous hepatitis

Answer 5

dark red
not defined structure
oozoing
easy to tear

Question 6

appearance of
serous hepatitis

Answer 6

swollen
stiff
tight capsule
dark red & granular
covered by fibrinous pseudomembranes

Question 7

etiology of
serous hepatitis

Answer 7

toxins
allergy
septicaemia
rubarth’s disease

Question 8

serous hepatitis
localisation

Answer 8

diffuse, acute/subacute

Question 9

lesions of
serous hepatitis

Answer 9

hyperaemia in sinusoids
inflammatory exsudate in disse space
regressive changes in hepatocytes
swollen & activated endothelial cells

Question 10

etiology of
suppurative hepatitis

Answer 10

pyogenic bacteria

Question 11

lesions of
suppurative hepatitis

Answer 11

hematogenous on surface of foreign bodies, through bile ducts from neighboring organs

Question 12

appearance of
suppurative hepatitis

Answer 12

phelegmone or abscess

Question 13

sequlae of
suppurative hepatitis

Answer 13

phlebitis
thrombosis
hematogenous spreading

Question 14

cause of
ichorous hepatitis

Answer 14

proteolytic (saprophytic) bacteria

Question 15

lesions of
ichorous hepatitis

Answer 15

hematogenous on surface of foreign bodies, migrating parasites
liver necrotises and later turns turbid, pulpy, foul smelling mass

Question 16

forms of
traumatic hepatitis

Answer 16

sterile inflammation
purulent
ichorous
emphysematous
necrotic
inflammation

Question 17

etiology of
emphysematous hepatitis

Answer 17

cl. seppticum
cl. histolyticum
cl. novyi

Question 18

infection of
emphysematous hepatitis

Answer 18

via v. portae, a. hepatica, fluke, ascaris

Question 19

lesions of
emphysematous hepatitis

Answer 19

liver becomes infilitrated (serous - edematic) then dry due to necrosis (bubbles)

Question 20

cause of
granulomatous hepatitis

Answer 20

tuberculosis m. bovis
actinobacillosis cattle
botryomycosis eq
colic-granulomatosis poultry

Question 21

cause of
necrotic hepatitis

Answer 21

fusobacterium necrophorum

Question 22

lesions of
necrotic hepatitis

Answer 22

foci of coagulative necrosis

Question 23

lesions of
acute interstitial hepatitis

Answer 23

serous, granulocytic, histiocytic, lymphocytic infiltration

Question 24

lesions of
chronic interstitial hepatitis

Answer 24

plasmocytic infiltration
proliferation of ct
collagen fibres

Question 25

perihepatitis chronica fibroplastica

Answer 25

capsule of liver becomes thickened & opaque due to proliferation of ct

Question 26

perihepatitis chronica villosa

Answer 26

filamentous threads or tufts grow on capsule of liver

Question 27

diseases causing hepatic lesions

Answer 27

* necrobacillosis * salmonellosis * malignent oedema * rodentiosis * tuberculosis * pseudorabies * tularaemia * campylobacter * actinobacillosis * bothriomycosis * tyzzer's * fungal disease * strep. septicaemia * malleus * brucellosis * listeriosis * anthrax * taxoplasmosis

Question 28

another name for rubarth's disease

Answer 28

viral hepatitis of dog fox encephalitis

Question 29

cause of viral hepatitis of dog

Answer 29

canine adenovirus

Question 30

lesions of peracute and acute canine hepatitis

Answer 30

serous, serous- hemorrhagic hepatitis serous infultration in wall of gallbladder mild icterus serous, serous - hemorrhagic ascites, fibrinthreads acute splenomegaly acute gastritis & enteritis acute tonsilitis acute lymphadentis hemorrhage in oral mucosa, pancreas, thymus

Question 31

histopath of peracute and acute canine viral hepatitis

Answer 31

hyperemic sinusoids widened, blood filled space of disse haemorrhage in liver parenchyma irregular hepatocyte arrangment vacuolar degeneration solitary hepatocy necrosis nuclear inclusion bodies in hepatocytes, enodthelial and kupffer cells

Question 32

subacute canine hepatitis

Answer 32

hepatic dystrophy centrilobular multicellular necrosis inflammatory cells infiltrate interlobular tissue inclusion bodies in hepatocytes in periphery of necrotic areas

Question 33

after rubath's disease

Answer 33

subacute- chronic interstitial hepatitis iridocyclitis, cornea opacity chronic cholechstitis

Question 34

parasitic infections in liver

Answer 34

toxoplasmosis biliary coccidiosis liver fluke tape worm

Question 35

lesions caused by parasites

Answer 35

traumatic effect toxic effect liver failure inflammation neoplasia

Question 36

toxoplasmosis

Answer 36

t. gondii focal random necrosis on liver

Question 37

biliary coccidiosis

Answer 37

e. steidae rabbit ep. proliferation chronic suppurative inflammation

Question 38

liver fluke

Answer 38

f. hepatica haemorrhage and necrosis at migratory paths infiltration by macrophages chronic inflammation of bile ducts calcification

Question 39

tapeworms

Answer 39

taenia pisiformis echinococcus dicrooelium dendriticm nematodes