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Peripheral Blood Smear
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A peripheral blood smear turns a blood sample into a thin layer that can be studied. Picture the sample spread across a glass slide, stained so the cells are easier to tell apart, and then examined under a microscope for cell size, shape, and number.
The smear offers clues about what the cells look like, but it cannot provide a diagnosis by itself. Its findings have to be considered together with other tests and the clinical context.
In brief
A peripheral blood smear is a test in which a blood sample is spread across a glass slide, stained, and examined under a microscope to assess the size, shape, and number of blood cells.
A blood smear does not diagnose a disease on its own. Its findings are considered alongside other tests and the clinical context rather than interpreted in isolation.
Sources (1)
- MedlinePlus, U.S. National Library of MedicineBlood SmearPublished
This page explains the topic in general terms; it does not tell anyone what treatment to follow.
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