Vascular Malformation

Question 1

What are the four orbital disorders of vascular malformation?
(LVAA)

Answer 1

Lymphatic Malformations
Venous Malformations of the orbit
Arteriovenous Malformation
Arteriovenous Fistulas

Question 2

also known as lymphangiomas

Answer 2

Lymphatic Malformations

Question 3

multi-cystic, localized malformations that involves the lymphatic and vascular system

Answer 3

Lymphatic Malformations

Question 4

cause of Lymphatic Malformations

Answer 4

-lymph vessels form abnormally
-which leads to aberrant development and congenital malformation

Question 5

True or False: Lymphatic Malformations, in the orbit, usually become apparent in the second and third decade of life

Answer 5

False; become apparent in the FIRST and SECOND decade of life

Question 6

Common affected locations of Lymphatic Malformations:
(CEOSH)

Answer 6

Conjunctiva
Eyelids
Oropharynx
Sinuses
Head and neck region

Question 7

Management of Lymphatic Malformations:
(OISS)

Answer 7

-Observation
-Intralesional sclerosant injection
-Systemic medications
-surgery

Question 8

In managing lymphatic malformations, observation is applicable to those:

Answer 8

-who do not have vision threatening symptoms
-severe physical disfigurement

Question 9

in managing lymphatic malformations it reduces the size of the cyst and lesion

Answer 9

intralesional sclerosant injection

Question 10

management of lymphatic malformations that prevent cell growth and proliferation

Answer 10

systemic medication

Question 11

(Management of Lymphatic Malformations)
Surgery: Surgical debulking or ___________

Answer 11

excision