NAFLD是肝脏酶学异常的最普遍原因，是和肝脏病学临床相关最主要的原因。

NAFLD is the most common cause of abnormal liver enzymes, and the leading reason for referrals to hepatology clinics.

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尽管肥胖患者超声检查的灵敏度较低，但目前脂肪肝的诊断仍然依赖于肝脏酶学和超声诊断。

Currently the diagnosis relies on liver enzymes and ultrasound may be helpful, although in obese individual ultrasound is less sensitive.

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但是MRI和光谱学研究结果显示，大约三分之二的脂肪肝患者的肝脏酶学处在正常值上限左右的位置。

However, studies using MRI and spectroscopy have shown that roughly two thirds of people with fatty liver have what we consider to be the upper limit of normal liver enzymes.

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