Peripheral blood smear: Difference between revisions

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| > 26% || Severe anisocytosis
| > 26% || Severe anisocytosis
|}
|}
Peripheral blood findings are grades as follows:<ref>{{cite web|url=http://www.hkimls.org/qapeduhsm-rbc-mor.htm|title=Hong Kong Medical Technology Association - Quality Assurance Programme - Haematology and Serology, Prepared by HKMTAQAP Haematology & Serology Panel on November 2002.}}</ref>
{|class=wikitable
{|class=wikitable
! Red blood cell abnormality !! Threshold for reporting<ref name="pmid25774322">{{cite journal| author=Horn CL, Mansoor A, Wood B, Nelson H, Higa D, Lee LH | display-authors=etal| title=Performance of the CellaVision(®) DM96 system for detecting red blood cell morphologic abnormalities. | journal=J Pathol Inform | year= 2015 | volume= 6 | issue=  | pages= 11 | pmid=25774322 | doi=10.4103/2153-3539.151922 | pmc=4355826 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=25774322  }} </ref>
! Grade
! +
! ++
! +++
|-
|-
! Acanthocytes
! Interpretation
| >5%
! Mild/rare/occasional
! Moderate
! Marked/Numerous
|-
|-
! Basophilic stippling
| Microcytosis||MCV : 70 - 79||MCV : 60 - 69||MCV <60
| >2%
|-
|-
! Burr cells
| Macrocytosis||MCV : 100 - 115||MCV : 115 - 125||MCV >125
| >10%
|-
|-
! Howell-Jolly bodies
|  Hypochromasia||MCH : 23 - 26||MCH : 21 - 23||MCH <20
| Any amount
|-
|-
! Ovalocytes
| Anisocytosis||RDW: 16-18||RDW : 18-22||RDW>22
| >10%
|-
|-
! Pappenheimer bodies
| Polychromasia||3 - 5%||5 - 25%||>25%
| Any amount
|-
|-
! Polychromasia
|  Spherocytes||1 - 5%||5 - 25%||>25%
| >5%
|-
|-
! RBC agglutination
| Schistocytes||up to 2%||2 - 25%||>25%
| Any amount
|-
|-
! Rouleaux
|  Target cells (codocytes)||up to 3%||3 - 25%||>25%
| >40%
|-
|-
! Schistocytes
|  Tear drop cells||up to 2%||2 - 25%||>25%
| >2%
|-
|-
! Sickle cells
|  Burr cells (echinocytes)||1 - 3%||3 - 10%||>10%
| Any amount
|-
|-
! Spherocytes
|  Sickle cells (drepanocytes)||3 - 5%||5 - 25%||>25%
| >2%
|-
|-
! Stomatocytes
|  Elliptocytes||1 - 5%||5 - 25%||>25%
| >10%
|-
|-
! Target cells
|  Basophilic stipplings||up to 2%||2 - 25%||>25%
| >10%
|-
|  Howell Jolly bodies||up to 1%||2 - 3 %||>3%
|-
|-
! Tear drop cells
| >2%
|}
|}


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