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Gross Pathology > Gross Pathology of Swine 2 > Flashcards

Gross Pathology of Swine 2 Flashcards

Liver, nervous system, repro, urinary, integument, musculoskeletal

1
Q

Cause of larval migrans in liver; which is worse?

A

Ascaris suum
Stephanurus dentatum (will tear up hilus of kidney)

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2
Q

Differentials for liver necrosis

A

Pseudorabies
Gram - sepsis (s. cholerasuis, typhisuis, Actinobacillus suis)
Listeria monocytogenes
Aflatoxin

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3
Q

What does the Vietnamese potbelly pig get?

A

Hepatocellular carcinoma

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4
Q

Cause of hepatosis dietetica

A

Concurrent deficiencies in sulfur-containing amino acids, tocopherols, and selenium

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5
Q

Gross lesions with hepatosis dietetica

A

Massive hepatic necrosis and fibrosis, skeletal and cardiac muscle degeneration, serous effusions, gastric ulcerations, arteriolar fibrinoid necrosis
Yellow stained adipose

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6
Q

Differentials for gall bladder edema

A

CSF
ASF

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7
Q

Common neurologic congenital defect in swine

A

Meningocele or meningoencephalocele

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8
Q

What causes hydranencephaly in piglets?

A

Paramyxovirus

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9
Q

Cause of cerebellar hypoplasia?

A

Porcine pestivirus (CSF)**

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10
Q

Cause of cerebellar hemorrhage?

A

Porcine circovirus 2

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11
Q

Causes of fibrinosuppurative meningitis (2)

A

Streptococcus suis type 2
Glasserella parasuis

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12
Q

Causes of congestion and meningitis without fibrin

A

Salmonella cholerasuis (sepsis)

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13
Q

Morph with salt deprivation

A

Multifocal laminar necrosis with eosinophilic infiltrate

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14
Q

Neuro lesions with selenium toxicity

A

Bilaterally symmetric poliomyelomalacia (necrosis of ventral horns**)

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15
Q

Cause of fibrin in testis

A

Polyserositis (big 3)

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16
Q

Cause of really bad testes with pyogranulomatous inflammation

A

Brucella suis

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17
Q

Primary cause of cystitis and pyelonephritis, including preputial diverticulitis

A

Actinobaculum suis

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18
Q

Causes of vulvovaginitis and mammary development in pre-pubertal animals (estrogen effects)

A

Fusarium spp. toxin (F2-zearalenone)
Alfalfa
Soybeans

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19
Q

Common finding in uterus of Vietnamese potbelly pigs

A

Cystic endometrial hyperplasia

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20
Q

Cause of abortion with proliferative and necrotizing dermatitis

A

Swine poxvirus

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21
Q

Classic cause of SMEDI; other causes

A

Porcine parvovirus; PCV-2, porcine arterivirus (PRRS), lepto, pseudorabies

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22
Q

Turkey egg kidney causes

A

CSF
ASF
S cholerasuis or typhisuis
Erysipelothrix rhusiopathiae

23
Q

Review: three classic presentiations of erysipelas

A

Sepsis
Polyarthritis
VVE

24
Q

Cause of glomerulonephritis with large hemorrhagic LNs

A

PCV-2 (Porcine Dermatitis and Nephropathy Syndrome)

25
Any moth eaten appearance of the kidney is caused by
Leptospirosis- interrogans serovars Pomona and Bratislava
26
Cause of pyelonephritis in pigs
Actinobaculum suis
27
Kidney worm
Stephanurus dentatus
28
Cause of perirenal edema (2)
Amaranthus retroflexus (redroot pigweed) Ochratoxin
29
Kidney appearance with melamine toxicosis
Birefringent yellow crystals throughout cortex and medulla
30
How does urate deposition (dehydration) look different from melamine toxicosis
Pale discoloration/white streaks only in medulla
31
Two causes of PCKD
Hereditary Hypovitaminosis A
32
Most common primary renal tumor
Nephroblastoma
33
Most common urolithiasis
Calcium carbonate
34
Cause of thrombocytopenic hemorrhages in neonates; breed
Thrombocytopenia purpura; Gottingen mini pigs
35
Piglets <2 weeks with pseudorabies
Dead, blisters all over skin, meningitis
36
Lice in the pig; what do they transmit (3)
Haematopinus suis; swine pox, CSF, mycoplasma suis
37
Five vesicular diseases
FMD (picornaviridae, aphthovirus) Vesicular exanthema (caliciviridae, vesivirus) Vesicular stomatitis (rhabdoviridae, vesiculovirus) Swine vesicular disease (picornaviridae, enterovirus) Seneca virus (picornaviridae, senecavirus)
38
Butt skin lesions (classic infarcts) with kidney inset
PCV-2
39
Diamond-shaped red purple patches on skin (infarcts)
Erysipelothrix rhusiopathiae
40
Chronic versions of erysipelas (2)
VVE Chronic proliferative arthritis
41
Review: 1. Cause of skin hemorrhages 2. Cause of neck or back with significant edema****
1. CSF 2. Edema disease (shiga toxin producing ETEC)
42
Cause of exudative epidermitis (crusty)
Staphylococcus hyicus (greasy pig disease)
43
Cause of raised, serpiginous erythematous lesions
Porcine juvenile pustular psoriasiform dermatitis
44
Mange of pigs
Sarcoptes scabeii var. suis
45
Cause of non-pruritic extremely thickened skin and hyperkeratosis
Parakeratosis- zinc-responsive dermatosis
46
Autosomal recessive skin disease of Landrace pigs; cause of mortality
Dermatosis vegetans; giant cell pneumonia
47
Causes of cyanosis/infarctions
CSF ASF Sepsis (S. cholerasuis/typhisuis, erysipelothrix rhusiopathiae)
48
Who gets bullous pemphigoid? Gross lesions?
Yucatan minipigs; blisters on dorsum
49
Cause of necrosis of extremities (ear, tail, nipples)
Ergotism- Claviceps purpura (ryegrass parasite)
50
Cause of significant periosteal proliferation
Congenital hyperostosis
51
Cause of costochondral junction lesion
Rickets (Vit D deficiency); not scurvy because pigs produce own Vit C
52
Cause of jowl infarction and swelling (3)
Clostridium septicum, novyi, penoclostridium sordelli
53
Cestode within pork muscle (2)
Taenia solium cysticerci Spirometra mansoni
54
Causes of polyarthritis
Polyserositis triad Chronic erysipelothrix

Gross Pathology (23 decks)

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