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Pancytopenia
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Blood has three types of cells: red blood cells, which carry oxygen; white blood cells, which defend the body; and platelets, which plug leaks. Pancytopenia is when all three drop at the same time. And it has to be said plainly: pancytopenia is not a disease, it is the sign that something else is behind it.
That something else falls into two groups. Either too little is produced, because of a nutritional deficiency, because the bone marrow, the factory inside the bones, fails, or because a neoplasm, meaning a tumor, invades it and crowds it out. Or too much is destroyed, no longer in the marrow but out in the periphery.
Three lines from the same factory drop at once, and each one shows up differently. Anemia, which is the lack of red blood cells, causes shortness of breath and fatigue. Leukopenia, the lack of white blood cells, lets more infections through. And thrombocytopenia, the lack of platelets, shows up as bruising, petechiae, which are tiny red dots from pinpoint bleeding, and a tendency to bleed easily.
In brief
Pancytopenia is a simultaneous drop in all three peripheral blood cell lines; it is not a disease but the manifestation of another one.
It can come from decreased production, due to nutritional deficiency, bone marrow failure or infiltration by a neoplasm, or from increased destruction in the periphery.
Each missing line has its own symptom: anemia causes shortness of breath and fatigue; leukopenia, infections; thrombocytopenia, bruising, petechiae and bleeding.
Three lines from the same factory drop at once, and each one shows up differently.
Sources (1)
- National Center for Biotechnology Information, StatPearls PublishingPancytopenia, StatPearlsPublished
This page explains the topic in general terms; it does not tell anyone what treatment to follow.
Updated