- Hollenhorst plaques are cholesterol emboli that are lodged in the retinal artery
- They appear bright, yellow and refractile
- Mechanism of formation – They originate form atheromatous plaques in the carotid artery containing cholesterol and fibrin
- Auscultation of the carotids may reveal a bruit
- Clinical significance – Hollenhorst plaques indicate a previous ischemic event in the eye (such as TIA)
- It is important to identify and treat the underlying condition
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