Podcast Beta
Questions and Answers
Branch retinal artery occlusion (BRAO) is usually the result of an embolus that lodges at the ____________ of a retinal arteriole.
False
Hollenhorst plaques are cholesterol emboli within retinal arterioles that seldom occlude these vessels. (True/False)
True
In the acute phase, BRAO is characterized histologically by swelling of the outer retinal layers. (True/False)
False
Arteriolar occlusions result in infarcts with subsequent complete atrophy of the affected layers. (True/False)
Signup and view all the answers
BRAO may be the first or most important clue to a significant systemic disorder. (True/False)
Signup and view all the answers
What is the usual cause of Branch retinal artery occlusion (BRAO)?
Signup and view all the answers
What is a significant systemic disorder that can be associated with BRAO?
Signup and view all the answers
Which retinal layer experiences swelling in the acute phase of BRAO?
Signup and view all the answers
What leads to the classic picture of inner ischemic atrophy in BRAO?
Signup and view all the answers
What is the consequence of arteriolar occlusions in BRAO?
Signup and view all the answers
What is the usual cause of arteriolar occlusions in BRAO?
Signup and view all the answers
Which systemic disorder can be associated with BRAO?
Signup and view all the answers
What is the consequence of Hollenhorst plaques within retinal arterioles?
Signup and view all the answers
In the acute phase of BRAO, which retinal layer experiences swelling?
Signup and view all the answers
What is the histological feature that emerges in the distribution of the retina supplied by the occluded arteriole as the edema resolves?
Signup and view all the answers
