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Changes of normal appearing optic nerve head on diffusion-weighted imaging in patients with diabetic retinopathy
Sevda Yılmaz1, Erhan Yumusak2, Veysel Burulday1
1Department of Radiology, University of Kirikkale, Faculty of Medicine, Kirikkale, Turkey.
Purpose:
To investigate whether there is any change by measuring ADC values particularly of the optic nerve head (ONH) in patients with diabetic retinopathy (DR).
Material And Methods:
ADC values at the ONHs was measured in 56 patients and 68 controls.
Results:
ADC values of ONHs were significantly higher in patients with DR compared to controls (p=0.011). ADC values in patients with macular edema were higher than those without macular edema (p=0.017).
Conclusion:
DWI of ONHs can be useful in cases where it is difficult to assess macular edema during fundus examination, especially in diabetic patients with cataract.
