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