For acquired forms, the mean corpuscular volume is normal or high.

获得性铁粒幼细性贫血的平均红细则是正常升高的。

Diagnosis starts with a routine blood test, that shows low hemoglobin levels, decreased mean corpuscular volume, or MCV; and low mean corpuscular hemoglobin, or MCH.

始于血常规检查，出现低血红蛋白、低平均红细（MCV）和低平均红细血红蛋白（MCH）。

On the full blood count, the mean corpuscular volume, which reflects the size of the red blood cell, is usually normal or low, for the congenital causes.

在先天性铁粒幼细性贫血的全血细计数中，反映红细大小的平均红细，通常是正常降低的。