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

获得性铁粒幼胞性贫血的平胞体积则是正常升高的。

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.

诊断始于血常规检查，出现低血蛋白、低平胞体积（MCV）和低平胞血蛋白（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.

在先天性铁粒幼胞性贫血的全血胞计数中，反映胞大小的平胞体积，通常是正常降低的。