Size of platelets.
2 - 4 microns
Stain used to visualize cellular elements of blood including the platelet:
Wrights or Wright’s - Giemsa
Done in the portion of the smear where the red cells start to overlap.
Indirect Platelet Count
Shape:
[charac. of normal platelets]
Round; biconvex
Cytoplasm:
[charac. of normal platelets]
Light blue to purple; very granular
MPV:
[charac. of normal platelets]
8 - 10 fL
Platelet exceeding in the size of background RBCs in a patient with MAY - HEGGLIN ANOMALY.
[platelet morphology]
Giant adendritic
Platelet in a patient with BERNARD - SOULIER SYNDROME.
[platelet morphology]
Large
Platelet with CYTOPLASMIC VACUOLIZATION in a patient with MDS.
[platelet morphology]
Giant bizarre
TINY platelets (microthrombocytes) in a thrombocytopenic patient with what syndrome?
Wiskott - Aldrich Syndrome
How many platelets per OIF represent a normal platelet count.
7 - 20 platelets
0 - 49, 000/ uL
[platelet estimates report]
Markedly decreased
50,000 - 99,000/ uL
[platelet estimates report]
Moderately decreased
100,000 - 149,000/ uL
[platelet estimates report]
Slightly decreased
150,000 - 199,000/ uL
[platelet estimates report]
Low normal
200,000 - 400,000/ uL
[platelet estimates report]
Normal
401,000 - 599,000/ uL
[platelet estimates report]
Slightly increased
600,000 - 800,000/ uL
[platelet estimates report]
Moderately increased
ABOVE 800,000/ uL
[platelet estimates report]
Markedly increased
