Blood Vessels Pathology

Question 1

Varicose veins are a malfunction of _____. Complications include (2)

Answer 1

Vein valves, fail because overworked.

Complications: pigmentation of skin because of stagnation of blood, ulcers in later stages.

Question 2

Glomus/paraganglioma
Hemangioendothelioma
Hemangioma
Are all___.

Answer 2

Blood vessel benign tumors

Question 3

Glomus/paraganglioma. Arises from ___. Typical from___. Looks like a ball of vasculature

Answer 3

arise in paraganglionic tissue (neural crest)
Typical from carotid bodies
Zellballen
(Benign)

Question 4

Hemangioendothelioma

Answer 4

Dilated and congested veins with inactive endothelial cell
Can be benign or malignant
Issues with BM/fractures

Question 5

Hemangioma

Answer 5

From endothelial cells (benign)

Capillary, juvenile, cavernous

Question 6

Hemangiopericytoma
Kaposi sarcoma
Angiosarcoma
Are all ___.

Answer 6

Malignant

Question 7

Hemangiopericytoma

Answer 7

Malignant tumor from pericytes

Question 8

What are pericytes

Answer 8

Cells forming barrier in capillaries

Can be found in ocular circulation

Question 9

Kaposi sarcoma

Answer 9

Malignant
AIDS
Comes from endothelium of lymphatic vessels, purple lesions

Question 10

Angiosarcoma

Answer 10

Malignant tumor from endothelial cells

Question 11

What are aneurysms?

Answer 11

Abnormal dilation of blood vessels usually occur at bifurcations like the aorta. Causes turbulent type of flow . Risk of rupture.

Question 12

Aneurysms are normally located

Answer 12

Bifurcation of aorta between Renal artery and iliac bifurcation

Question 13

Complication of a plaque include

Answer 13

Calcification, ulceration, hemorrhage, aneurysms