Poikilocytosis
| Poikilocytosis | |
|---|---|
 |
|
| Acanthocytosis is one form of poikilocytosis | |
| Classification and external resources | |
| ICD-10 | R71 |
| ICD-9-CM | 790.09 |
| DiseasesDB | 10207 |
Poikilocytosis refers to the presence of poikilocytes in the blood. Poikilocytes are abnormally shaped red blood cells as seen on a blood film in humans and many wild and domestic species of animals, though they are common in some clinically normal small ruminants, particularly goats.
Normal red blood cells are round, flattened disks that are thinner in the middle than at the edges. A poikilocyte is an abnormally shaped cell. Generally, poikilocytosis can refer to an increase in abnormal red blood cells of any shape where they make up 10% or more of the total population.
In all cases, the treatment of poikilocytosis depends on its cause. For example, poikilocytosis can be caused by a vitamin deficiency (e.g. vitamin B12 or folic acid), in which case the treatment is to replenish the deficient vitamin. It can be caused by a digestive disease, such as celiac disease, in which case the solution may lie in treating the underlying celiac disease so that nutrients can be properly absorbed.
The term derives from poikilos (ποικίλος), which means "varied" in Ancient Greek.
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