The reasons for the high mean corpuscular volume (MCV) can be physiological and pathological. Physiological reasons generally include pregnancy, diet, and alcohol consumption, which usually do not require special treatment. The more common pathological causes are megaloblastic anemia caused by malnutrition, such as malnutrition, intestinal diseases, or folate and B12 deficiency.
1. MCV is a common indicator in blood routine tests, reflecting the volume of red blood cells. If the MCV is slightly high, it generally has no clinical significance and needs to be evaluated comprehensively with other parameters such as red blood cell count, mean corpuscular hemoglobin concentration, and mean hemoglobin content to determine if the red blood cell level is normal.
2. MCV is suitable for the diagnosis and treatment reference of various anemia diseases. An elevated MCV is often seen in anemia caused by folate and vitamin B12 deficiency, as well as macrocytic anemia caused by myelodysplastic syndromes. A decreased MCV is more common in iron-deficiency anemia, thalassemia, and other microcytic anemias.
3. MCV refers to the average volume of a single red blood cell in the human body, measured in femtoliters (fL). The normal MCV range for healthy individuals is approximately 80 to 100 fL. If an elevated MCV is observed, it is recommended to undergo a detailed medical examination to ensure overall health.