Abstract
This study analyzes images of Kayser-Fleischer (K-F) rings in patients with Wilson disease (WD) using in vivo confocal microscopy (IVCM) and explores whether IVCM can be a useful clinical tool in facilitating the diagnosis and characterization of K-F rings. One hundred four eyes of 52 patients with WD and K-F rings (K-F group) and 52 normal eyes of 52 age- and gender-matched control subjects (control group) were enrolled in the study. Both K-F and control groups consisted of 29 male patients and 23 female patients. IVCM imaging was performed, and images of the peripheral Descemet membrane were analyzed. All patients in K-F group showed abnormal patterns in the peripheral Descemet membrane from IVCM images. These abnormalities can be generally divided into 3 types: patchy, stripy, and spotty patterns. Each patient may have a combination of these patterns, with patchy pattern being most prevalent (100%), whereas stripy and spotty patterns are present in 30% to 40% of the K-F rings. Notably, these patterns are not correlated with other systematic symptoms of WD. IVCM images can be used as an objective clinical diagnostic tool to facilitate the identification of K-F rings and the diagnosis of WD.
Published Version
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