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Pathology > Cardiopathology III > Flashcards

Cardiopathology III Flashcards

1
Q

list the primary heart tumors

A

rhabdomyoma
mesothelioma
chemodectoma
hemangiosarcoma

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2
Q

describe rhabdomyoma

A

cardiac muscle cells - very rare
pale/grey nodules in myocardium of heart

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3
Q

describe mesothelioma

A

mesothelial cells lining serosa surface - can be nodular OR carpet-like
rare-uncommon
causes pericardial effusion

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4
Q

ID pathology

A

rhabdomyoma

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5
Q

ID pathology

A

mesothelioma

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6
Q

ID pathology

A

mesothelioma

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7
Q

describe chemodectoma

A

aka heart base aka aortic body tumor
uncommon in dogs - brachycephalics common

arise from extra-cardiac chemoreceptor tissue at heart base between aorta and pulmonary artery

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8
Q

what’s the main HF mechanism regarding chemodectoma?

A

obstructed flow through heart - specifically pulmonary artery

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9
Q

ID pathology

A

chemodectoma

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10
Q

describe gross and histological appearance of chemodectoma

A
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11
Q

ID pathology

A

chemodectoma

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12
Q

ID pathology

A

chemodectoma

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13
Q

what are the complications/outcomes of chemodectoma?

A

locally invasive
compresses surrounding structures

*may be benign or malignant

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14
Q

describe hemangiosarcoma

A

neoplasm of endothelial cells of blood vessels
VERY common
*primary tumors are usually in R auricle area OR develop in spleen/liver

most common in goldens and germans

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15
Q

ID pathology

A

hemangiosarcoma

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16
Q

describe gross and histological appearance of hemangiosarcoma

A
17
Q

what are the common outcomes of hemangiosarcoma?

A

***metastatizes
rupture > hemorrhage into pericardium > hemopericardium +/- tamponade

18
Q

ID pathology

A

hemangiosarcoma

19
Q

ID pathology

A

hemangiosarcoma

20
Q

describe malignant lymphoma

A

most common secondary cardiac neoplasm
common in cows - HULA locations, dog, cat

21
Q

ID pathology

A

malignant lymphoma

22
Q

describe gross and histological appearance of malignant lymphoma

A
23
Q

Liz Brain

A
24
Q

ID pathology

A

arterial hypertrophy

25
Q

list causes of hypertrophy in cats, cattle, and general species

A

cat - parasite
cattle - brisket disease
L to R shunts

chronic P (hypertension) or volume overload

26
Q

describe brisket disease

A

cows at high altitude
hypoxic environment > pulmonary hypertension

young&raquo_space; old affected

27
Q

brisket disease pathogenesis

A

high altitude pulmonary arteries vasoconstriction > hypertrophy of arterial walls > dilation and hypertrophy of R ventricle (cor pulmonale) > R side CHF > ventral edema

28
Q

ID pathology

A

brisket disease - hypertrophy

29
Q

Liz Brain terms

A
30
Q

describe feline infectious peritonitis (FIP)

A

phlebitis (vein inflame)
pyogranulomatous inflammation (macrophage)
young cats
*effusive and noneffusive forms (wet/dry)

31
Q

wet FIP is type ___ hypersensitivity and dry is ___ hypersensitivity

A

wet - type III
dry - type IV

32
Q

which form of FIP has most increased vascular permeability?

A

wet
causes edema - dec oncotic P

33
Q

ID pathology

A

FIP

34
Q

ID pathology

A

FIP

35
Q

describe heartworm disease

A

Dirofilaria immitis
matures in pulmonary arteries
andarteritis - eosinophil infiltration of intima
pulmonary infarct due to thromboemboli

caval syndrome

36
Q

what’s caval syndrome in heartworm disease?

A

liver failure - R heart backup
hemolytic anemia - parasites eat RBC
cardiogenic shock

37
Q

ID pathology

A

heartworm disease - arteritis

38
Q

describe gross and radiograph appearance of heartworm disease

A
39
Q

SLIDE 18

A

Pathology (12 decks)

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