Liver

Question 1

Cat liver.

MDx? Would you expect this liver to sink or float in water or fixative?

Answer 1

MDx: hepatic lipidosis

This liver will float

Question 2

Pig liver

MDx? Disease name? Etiology? What other clinical sign would you expect to see in this pig?

Answer 2

MDx: Diffuse acute panlobular hepatic necrosis

Disease name: Heaptosis dietetica

Etiology: Vitamin E/selenium deficiency

Would also see icterus of the skin membranes, skin, abdominal fat, etc.

[MDx for picture here was focal fibrinous hepatitis and listed under this disease in ppt..so idk here it is]

Question 3

Dog liver

MDx? Etiology?

Answer 3

MDx: hepatic cirrhosis or chronic hepatitis with nodular regeneration

Etiology: Unknown usually (this case was anticonvulsant therapy)

Question 4

Cow liver

MDx? Etiology?

Answer 4

MDx: chronic eosinophilic granulomatous verminous hepatitis

Etiology: Fascioloides magna

[fluke migration through liver - color of tracks from excretion material]

Question 5

Cow gallbladder

MDx? Etiology?

Answer 5

MDx: cholangitis

Etiology: Fascioloides hepatica

[liver migration through bile ducts]

Question 6

Dog liver

What could have caused this?

Answer 6

Trauma - maybe hit by car - causes liver fractures

Results in severe bleeding into the abdominal cavity

Question 7

Cow liver

MDx? What can cause this?

Answer 7

MDx: Diffuse chronic passive hepatic congestion

Caused by right sided CHF

[“cardia cirrhosis”]

Question 8

Cross section of gall bladder/bile duct from cat

MDx? Etiology?

Answer 8

MDx: Multifocal mild/moderate/chronic cholicystitis and cholangits with intralesional parasites

Etiology: Platynosomum fastosum

Question 9

Liver from a rabbit

MDx? EtDx?

Answer 9

MDx: proliferative (hyperplastic) cholangitis/cholangiohepatitis

EtDx: coccidial hepatitis/Eimeria-induced hepatitis/cholangiohepatitis