Porcine Imaging

Question 1

Answer 1

• PMWS (Post Weaning Multisystemic Wasting Disease) - yellow scour in colon
• Mesenteric oedema

Question 2

Answer 2

PMWS - inguinal lymph gland + lung congestion

Question 3

Answer 3

• PMWS - inguinal lymph gland + lung congestion
• Interlobular oedema

Question 4

Answer 4

PMWS - kidney enlargement (+ mottled)

Question 5

Answer 5

PDNS (Porcine Dermatitis and Nephropathy Syndrome)

Question 6

Answer 6

PDNS

Question 7

Answer 7

PMWS + PDNS

Question 8

Answer 8

Meningitis - neuro signs

Question 9

Answer 9

Meningitis - strep suis type 2

Question 10

Answer 10

Tail biting

Question 11

Answer 11

Tail biting

Question 12

Answer 12

Ileitis (Lawsonia intracellularis) - peracute, intestinal haemorrhage, ‘Haemorrhagic enteropathy’

Question 13

Answer 13

Acute ileitis - extensive H+ in intestine, magena scour

Question 14

Answer 14

Acute ileitis - magenta scour

Question 15

Answer 15

• Chronic ileitis - diphtheritic gut
• Enlarged mesenteric LN
• Thickened diphtheritic terminal ileum (just before joining colon)

Question 16

Answer 16

Chronic ileitis - haemorrhagic

Question 17

Answer 17

• Swine dysentery - dysenteric scour, blood + mucus

Question 18

Answer 18

Swine dysentery - in colon

Question 19

Answer 19

Enzootic pneumonia (EP) - Mycoplasma hyopneumoniae, clear demarcation of consolidated (darker + red) + normal lung (lighter link)

Question 20

Answer 20

Enzootic pneumonia (EP) - Mycoplasma hyopneumoniae

Question 21

Answer 21

• APP - actinobacillus pleuropneumonia
• Typical H+ consolidation w/ overlying pleurisy

Question 22

Answer 22

APP - actinobacillus pleuropneumonia

Question 23

Answer 23

Glassers (G. parasuis) - pleurisy

Question 24

Answer 24

Glassers (G. parasuis) - pericarditis + pleurisy

Question 25

Answer 25

Glassers (G. parasuis) - polyserositis/pleurisy

Question 26

Answer 26

Glassers (G. parasuis) - pericarditis

Question 27

Answer 27

Atrophic rhinitis

Question 28

Answer 28

Atrophic rhinitis - damaged nasal turbinates - Turbinates destroyed - Reduces' pig's ability to fight off infection - Known as blue ears

Question 29

Answer 29

PRRS = porcine respiratory and reproductive disease

Question 30

Answer 30

PRRS = porcine respiratory and reproductive disease - ear tip + snout necrosis

Question 31

Answer 31

Rectal prolapse

Question 32

Answer 32

Erysipelas - skin diamonds

Question 33

Answer 33

Erysipelas (Erysipeloxthrix rhusiopathiae) - endocarditis- gritty lesions at edge of heart valve

Question 34

Answer 34

Systemic Erysipelas (Erysipeloxthrix rhusiopathiae)

Question 35

Answer 35

Greasy pig - Staph hyicus

Question 36

Answer 36

Greasy pig - Staph hyicus

Question 37

Answer 37

Ascarids - milk spot, lesions in liver

Question 38

Answer 38

Ascarids

Question 39

Answer 39

Scrotal hernia

Question 40

Answer 40

Umbilical hernia

Question 41

Answer 41

Kyphosis

Question 42

Answer 42

APP- actinobacillus pleuropneumonia

Question 43

Answer 43

Ringworm - muddy football kicked

Question 44

Answer 44

Mange - thickened skin, Dx = skin scrape/biopsy

Question 45

Answer 45

- Mulberry heart disease - Enlarged heart w/ excess pericardial fluid - Enlarged liver - Fibrin tags in abdo

Question 46

Answer 46

Osteochondrosis - erosion of articular cartilage

Question 47

Answer 47

Stance seen w/ osteochondrosis

Question 48

Answer 48

Mastitis - post-weaning

Question 49

Answer 49

Vices in breeding sows – vulval biting

Question 50

Answer 50

Vulva biting

Question 51

Answer 51

- Mange - Sarcoptes scabei var suis - White crusts in ear

Question 52

Answer 52

Mange - Sarcoptes scabei var suis

Question 53

Answer 53

Lice – Haematopinus suis

Question 54

Answer 54

Vaginal/cervical prolapse

Question 55

Answer 55

Uterine (+ rectal) prolapse

Question 56

Answer 56

Rectal prolapse

Question 57

Answer 57

Gastric torsion

Question 58

Answer 58

Gastric torsion - combined w/ splenic torsion

Question 59

Answer 59

Clostridium novyi (oedematiens)

Question 60

Answer 60

- Clostridium novyi (oedematiens) - PME - freshly dead sow

Question 61

Answer 61

Cystitis + pyelonephritis - H+ on bladder wall

Question 62

Answer 62

Stomach ulcers

Question 63

Answer 63

Stomach ulcers

Question 64

Answer 64

Enzootic pneumonia (EP) - Mycoplasma hyopneumoniae

Question 65

Answer 65

Rickets - bandy legs

Question 66

Answer 66

- Extensive epicardial haemorrhages, chiefly on the right atrium and right ventricular free wall - Pale streaks and patches of epicardial necrosis that extend into the myocardium - Straw-colored pleural fluid and hydropericardium that clots on exposure to air - Pericardium is oedematous and opaque; +/- myocardial necrosis - Mulberry heart disease

Question 67

Answer 67

- Extensive interstitial H+ of heart - Necrotic cardiomyocytes - Dystrophic mineralisation (arrow) - myofiber loss, loss of cross striations - replaced by cellular debris, fibrin + infiltrates of macrophages - Multifocal vascular necrosis - Mulberry heart disease