BLOOD SMEAR EXAMINATION

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BLOOD SMEAR EXAMINATION

• RBC MORPHOLOGY
• WBC MORPHOLOGY NUMBER
• PLATELETS
• PARASITES
• OTHER CELLS

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ANISOCYTOSIS

• VARIATION IN SIZE OF THE RBC

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GRADING OF MICROCYTOSIS

• 1?5 TO 20 OF RBCs PER OIF ARE MICROCYTIC
• 2? 21 TO 50
• 3? 51 TO 75
• 4? 76 TO 100

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GRADING THE DEGREE OF MACROCYTOSIS

• 1?2 TO 10 OF RBCs PER OIF ARE MACROCYTIC
• 2? 11 TO 25
• 3? 26 TO 50
• 4? MORE THAN 50

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POIKILOCYTOSIS

• VARIATION IN SHAPES OF THE RBCs

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POIKILOCYTES

• OVALOCYTES OR ELLIPTOCYTES
• PENCIL SHAPED CELLS
• SPHEROCYTES
• TARGET CLLS OR LEPTOCYTES
• SICKLE CELLS

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POIKILOCYTES

• SCHISTOCYTES
• CRENATED CELLS
• ACANTHOCYTES
• BURR CELLS
• STOMATOCYTES

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GRADING OF POIKILOCYTOSIS

• 1?2 TO 10 CELLS PER OIF ARE POIKILOCYTIC (1 TO
  5)
• 2? 11 TO 20 RED BLOOD CELLS (6 TO 10)
• 3? 21 TO 50 RED BLOOD CELLS (11 TO 25)
• 4? MORE THAN 25 OF THE CELLS

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RED BLOOD CELL INCLUSIONS

• BASOPHILIC STIPPLING
• HOWELL JOLLEY BODIES
• CABBOT RINGS
• HEINZ BODIES
• PAPPENHEIMER BODIES

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