Hematology and Oncology Book

http://www.fpnotebook.com/

Platelet Morphology on Peripheral SmearAka: Platelet Morphology

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  1. See Also
    1. Peripheral Smear
    2. Bone Marrow Aspirate
  2. Evaluation
    1. Variants below as seen on Peripheral Smear
    2. Confirm Platelet Count
      1. Oil Immersion at 1000x Magnification
      2. Typical count: 15-20 per field
    3. Scan the slide for Platelet clumping
      1. Electronic undercounting (Pseudothrombocytopenia)
  3. Megathrombocytes (platelet >2.5 microns diameter)
    1. Accelerated platelet production
    2. Compensation fro increased platelet destruction
    3. Vitamin B12 Deficiency
    4. Myeloproliferative diseases
    5. Bernard-Soulier Syndrome

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