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Old 08-08-2014
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Default diabetic retinopathy

how to differentiate between proliferative and nonproliferaive based on fundoscopy (picture and description in the question stem)?

this question, says that the ptn's last eye exam showed diffuse opaque white spots throught the fundus, few scattered hard exudates and multiple small microaneurysms. visual exam now is 20/20 and 20/25 OD.

1) i did chose nonproliferative retinopathy with was correct but i'm not 100% sure about why it's not proliferative. can someone explain pls

2) is it important to know what 20/20 and 20/25 OD mean? if so.. what?

thank you and good luck
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Old 08-08-2014
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Quote:
Originally Posted by Faith-USMLE View Post
how to differentiate between proliferative and nonproliferaive based on fundoscopy (picture and description in the question stem)?

this question, says that the ptn's last eye exam showed diffuse opaque white spots throught the fundus, few scattered hard exudates and multiple small microaneurysms. visual exam now is 20/20 and 20/25 OD.

1) i did chose nonproliferative retinopathy with was correct but i'm not 100% sure about why it's not proliferative. can someone explain pls

2) is it important to know what 20/20 and 20/25 OD mean? if so.. what?

thank you and good luck
I dont think such question could be asked using a pic, but rather giving description is most likely adding hints of being DM
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Old 08-08-2014
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Originally Posted by yazz View Post
I dont think such question could be asked using a pic, but rather giving description is most likely adding hints of being DM
thank you .. but what hints would make me role out neuvascularization? or what would they mention in the question that would make me chose proliferative rather than nonproliferative?

thanks
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Old 08-10-2014
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Proliferative form give NEW VESSEL formation, which could be presented in the question stem as either hemorrhages into the vitreous due to underdeveloped young vessels rupturing, or retinal hemorrhages and retinal detachment with their own respective symptoms.
MICROANEURYSMS on the other hand are just small vascular dilatations that represent non proliferative form and are the early signs of the later to develop proliferative form.
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  #5  
Old 08-11-2014
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Originally Posted by usmleqx View Post
Proliferative form give NEW VESSEL formation, which could be presented in the question stem as either hemorrhages into the vitreous due to underdeveloped young vessels rupturing, or retinal hemorrhages and retinal detachment with their own respective symptoms.
MICROANEURYSMS on the other hand are just small vascular dilatations that represent non proliferative form and are the early signs of the later to develop proliferative form.
thanks very helpful
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