Blood Vessels Flashcards Preview

Dental Pathology > Blood Vessels > Flashcards

Flashcards in Blood Vessels Deck (50):
1

De novo formation of blood vessels during embryogenesis?

vasculogenesis

2

the process of new vessel formation in the mature organism; neovascularization?

angiogenesis

3

remodeling of existing arteries in response to chronic changes in pressure or flow?

arteriogenesis

4

smooth muscle cells that are not contractile but able to divide?

neointimal

5

a clinically significant hypertension?

>139/>89

6

accelerated or malignant hypertension?

> 200/120

7

"hardening of the arteries" and loss of elasticity?

arteriosclerosis

8

a form of arteriosclerosis and an example of dystrophic calcification; affects medium muscular arteries of arms and legs?

Monkeberg's medial calcific sclerosis

9

characterized by intimal lesions called atheromas protruding into vessel lumens?

atherosclerosis

10

an acute phase reactant, downstream of a number of inflammatory triggers; induces a prothrombotic state; strongly predicts risk of MI or stroke?

C reactive protein

11

the major mechanism of atherogenesis?

hemodynamic disturbances, lipids, inflammation, infection

12

a localized abnormal dilation of a blood vessel or the heart?

aneurysm

13

aneurysm involving an intact attenuated arterial wall or thinned ventricular wall of the heart?

true aneurysm

14

defect in the vascular wall leading to an extravascular hematoma freely communicating with intravascular space?

false aneurysm

15

2 most important disorders predisposing to aortic aneurysms?

atherosclerosis and hypertension

16

aneurysms in the circle of willis?

berry aneuryms

17

the major risk factor of aortic dissection?

hypertension

18

the most common form of vasculitis in old people in US/Europe; chronic, granulomatous inflammation of large to small sized arteries predominately in head (nodular intimal thickening)?

giant cell (temporal) arteritis

19

tongue necrosis?

giant cell arteritis

20

a systemic vasculitis of small or medium sized muscular arteries; 30% associated with chronic Hep B?

polyarteritis nodasa

21

segmental transmural necrotizing inflammation?

PAD

22

a necrotizing vasculitis; t cell mediated hypersensitivity rxn; PR3 ANCAs in up to 95% of cases?

wegener granulomatosis

23

strawberry gingivitis; palatal ulcers and perforation?

wegener granulomatosis

24

segmental, thrombosing, acute and chronic inflammation of medium and small arteries; radial and tibial arteries; almost exclusively in heavy smokers?

thromboangiitis obliterans (buerger disease)

25

exaggerated vasocontriction of digital arteries and arterioles?

Raynaud phenomenom

26

abnormally dilated, tortuous veins?

varicose veins

27

pain elicited by forced dorsiflexion of the foot as a sign of thrombophlebitis?

Homan sign

28

development conditions?

vascular ectasia (nevus flammeus); enchephalotrigeminal angiomatosis (sturge weber syndrome); vascular malformation

29

reactive vascular proliferation?

pyogenic granuloma

30

benign neoplasms?

hemangioma; lymphangioma

31

malignant neoplasms?

angiosarcoma; kaposi sarcoma

32

a generic term for any local dilation of a structure?

estasia

33

a permanent dilation of pre-existing small vessels forming a red lesion, usually in the skin or mucous membrane?

telangiectasia

34

the most common form of vascular estasia, as a flat lesion on the head or neck?

nevus flammeous

35

facial port vein nevi; ipsilateral venous angioma in the cortical leptomeninges; mental retardation, seizure, hemiplegia?

sturge weber syndrome; enchephalotrigeminal angiomatosis

36

leptomeningeal vascular malformation; atrophy and calcification of brain?

sturge weber syndrome; enchephalotrigeminal angiomatosis

37

uncommon errors of vascular mophogenesis; not a neoplasm?

vascular malformations

38

is vascular malformation present at birth?

yes

39

is hemangioma present at birth?

not always

40

does vascular malformation exhibit rapid increase in size?

no

41

does hemangioma exhibit rapid increase in size?

yes

42

does vascular malfomation exhibit involution?

no

43

does hemangioma exhibit involution?

yes

44

a common, fast growing lesion of the skin and mucous membranes; focal reactive growth of fibrovascular or granulation tissue w/ extensive endothelial cell proliferation?

pyogenic granuloma

45

most common soft tissue tumors of infancy?

hemangioma

46

cavernous lymphangioma?

cystic hygroma

47

polyvinyl chloride: a carcinogen associated with...

angiosarcoma

48

an endothelial marker of angiosarcoma?

CD31

49

a vascular neoplasm associated with human herpesvirus 8; high association with AIDS?

kaposi sarcoma

50

most common locations in mouth of AIDS associated type kaposi sarcoma?

palate and gingiva