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| Author | Subject: Diabetic Retinopathy |
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 ppearson
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Diabetic Retinopathy
Nov 30, 2007 20:12:27 During fundus examination of a patient with BDR how is it possible to distinguish between microaneurysms and dot haemorrhages? and is it clinically necessary to do so?! |
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Stephen Meynell
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RE: Diabetic Retinopathy
Dec 05, 2007 19:28:26 Dot haemorrhages can be larger and associated with ruptured microaneurisms. However, they can also be associated with (for example) hypertension. They resolve within a few months. Microaneurisms are tiny and are associated with diabetes. It is clinically necessary as the dot haemorrhages are not exclusive to diabetes. |
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Tim Hunter
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RE: Diabetic Retinopathy
Dec 06, 2007 07:47:06 You should be able to distinguish between the two in most cases as anatomically a microaneurysm is a localised dilatation (bulging) of the blood vessel (usually and artery) and should therefore be visibly attached to a blood vessel. Whereas a haemorrhage is a leakage of blood from a blood vessel and is therefore not necessarily attached to it. |
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ppearson
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RE: Diabetic Retinopathy
Dec 07, 2007 16:06:51 That helps, Thanks. |