Ch 11 Blood Vessels and Lymphatics

Question 1

Small Vessels

Answer 1

Acrocyanosis
Eryhtrocyanosis
Perniosis (Chilbains)

Question 2

Erythema

Answer 2

-Redness without scaling

Many causes

Question 3

Telangectasia Causes

Answer 3

Rosecea
CT (Ungal) Mat-SS
HHT-AD
ATax-AR, immunosupressive and ataxia
Atrophy
Mastocytosis
Liver disease

Question 4

Livedo

Answer 4

Cutis Marmorata is physiologic in young kids

-Embolism, CT, Atherosclerosis, antiphospholipid

Question 5

Erythema Ab Igne

Answer 5

Heat leads to livedo

Question 6

Arteriolar

Answer 6

-Flushing
-Temporal Arteritis
-PAN
-Atherosclerosis
-Emoblism
-Raynauds
Pressure Ulcer-Look for pseudomonas

Question 7

Venous Ulcers

Answer 7

• Very common, most commonly on medial malleolus
• Fibrinogen and a microglobulin are pushed into vessel wall and impair healing
• Leads to lipodermatosis: Fibrosis, inflammation, and induration
• Can become infected

Question 8

Treatment of Venous Ulcers

Answer 8

• Elevate and aim ro restore circulation
• Never give steroids
• Don’t use systemic Abx unless there is systemic infection
• Watch out for contact allergy
• SCC at rolled borders
• DDX: Emobolism, PG, Paniculitis, Cutaneous Malignancy

Question 9

Purpura and Echymoses

Answer 9

• Purpura caused by platelet defects
• Echymoses by clotting defects
• Get clotting and anti-Phospholipid studies, also cryos

Question 10

Lymphedema

Answer 10

Erysepillus and can follow lymphatic drainage

-Can be caused by blockage or other too