postzone

At closed mouth position, prozone and intermedial zone in patients are thicker than in the normal, and postzone has no evident difference.

闭口位时，患者前带及中间带厚度均明显大于正常人，后带与正常人无明显差异；

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Conclusion The undiluted serum of MM patient containing the highest concentration form postzone phenomenon and mistaken step to analyse Bances Jones proteinuria were important causes to induce misdiagnosis of MM.

结论MM血清未稀释形成后带现象及尿本周蛋白定性操作不规范是导致MM误诊的重要原因。

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Quadrate lobe postzone; evenness type 83.8 ( 31/ 37);

方叶后区：平坦型83.8（31/37）；

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