Cytohematology Proficiency Testing 24 March 1997
Slide: 003 Go to Slide 003 critique
Cell Classification or Finding Expected Range Participant Median Participant Range**
---------------------------------------------- -------------- ------------------ --------------------
Blast cell not classified 0 - 0 0 0 - 1
Myeloblast/Promyelocyte 0 - 1 0 0 - 3
*[Myleblasts + Blasts not classified] 0 - 2 0 0 - 3
Lymphoblast/Prolymphocyte 0 - 0 0 0 - 0
Monoblast/Promonocyte 0 - 0 0 0 - 0
Erythroblast/Pronormoblast 0 - 0 0 0 - 0
Lymphoma cell 0 - 0 0 0 - 0
Hairy cell 0 - 0 0 0 - 0
Myelocyte 0 - 5 2 0 - 6
Metamyelocyte 0 - 5 2 0 - 7
Band neutrophil 4 - 37 18 2 - 44
Segmented neutrophil 40 - 74 60 32 - 77
*[Total neutrophils] 70 - 85 78 66 - 87
Eosinophil 0 - 4 2 0 - 5
Basophil 0 - 1 0 0 - 2
Lymphocyte 2 - 14 6 1 - 17
Atypical lymphocyte 0 - 2 0 0 - 4
Monocyte 2 - 14 8 0 - 15
Plasma cell 0 - 0 0 0 - 0
NRBC / 100 WBC 0 - 1 0 0 - 1
* Obtained by combining individual results.
** Participant range is the central 98 percentile of all participant results.
Cell Classification or Finding Expected Result Participant Results
------------------------------------- --------------- -----------------------------------------------------------
Anisocytosis Moderate None ( 7%) Slight ( 40%) Moderate ( 51%) MarKed ( 2%)
Poikilocytosis Slight None ( 26%) Slight ( 60%) Moderate ( 15%) MarKed ( 0%)
Macrocytosis None None ( 47%) Slight ( 36%) Moderate ( 17%) MarKed ( 0%)
Microcytosis None None ( 56%) Slight ( 32%) Moderate ( 12%) MarKed ( 0%)
Hypochromia Slight None ( 41%) Slight ( 42%) Moderate ( 17%) MarKed ( 0%)
Polychromasia Slight None ( 25%) Slight ( 70%) Moderate ( 4%) MarKed ( 0%)
Bizarre or irregular platelets Absent Absent( 99%) Present( 1%)
Clumped platelets Absent Absent(100%) Present( 0%)
Giant platelets Absent Absent( 88%) Present( 12%)
Platelet satellitosis Absent Absent(100%) Present( 0%)
Auer rods Absent Absent(100%) Present( 0%)
Döhle bodies Absent Absent( 63%) Present( 37%)
Hypersegmentation Absent Absent(100%) Present( 0%)
Pelger Huët anomaly Absent Absent( 94%) Present( 6%)
Smudge / Basket cells Absent Absent( 94%) Present( 6%)
Toxic granulation Present Absent( 15%) Present( 85%)
Acanthocytes Absent Absent( 81%) Present( 19%)
Basophilic stippling Present Absent( 19%) Present( 81%)
Blister cells (pre keratocytes) Absent Absent(100%) Present( 0%)
Cabot rings Absent Absent(100%) Present( 0%)
Echinocytes (crenated/burr cells) Absent Absent( 77%) Present( 23%)
Elliptocytes Absent Absent( 71%) Present( 29%)
Howell-Jolly bodies Absent Absent( 98%) Present( 2%)
Pappenheimer bodies Absent Absent(100%) Present( 0%)
Red cell agglutinates Absent Absent(100%) Present( 0%)
Rouleaux Absent Absent( 92%) Present( 8%)
Schistocytes Absent Absent( 77%) Present( 23%)
Schüffner's granules Absent Absent(100%) Present( 0%)
Sickle cells (drepanocytes) Absent Absent(100%) Present( 0%)
Spherocytes Absent Absent( 88%) Present( 12%)
Stomatocytes Absent Absent( 78%) Present( 22%)
Target cells (codocytes) Absent Absent( 71%) Present( 29%)
Tear drop cells (dacrocytes) Present Absent( 46%) Present( 54%)
Bacteria Absent Absent(100%) Present( 0%)
Fungi/yeast Absent Absent(100%) Present( 0%)
Malaria/Babesiosis Absent Absent(100%) Present( 0%)
Stain precipitate Absent Absent( 95%) Present( 5%)
Go to Slide 003 critique Score for this slide: 97%
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