Cytohematology Proficiency Testing 2 February 1998 Slide: 006 Go to Slide 006 critique Cell Classification or Finding Expected Range Participant Median Participant Range ------------------------------ -------------- ------------------ ----------------------- Blast cell not classified 0 - 0 0 0 - 0 Myeloblast/Promyelocyte 0 - 0 0 0 - 0 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 - 0 0 0 - 1 Metamyelocyte 0 - 0 0 0 - 1 Band neutrophil 0 - 6 1 0 - 9 Segmented neutrophil 58 - 74 66 53 - 76 *[Total neutrophils] 60 - 76 68 57 - 77 Eosinophil 0 - 4 2 0 - 5 Basophil 0 - 2 0 0 - 2 Lymphocyte 15 - 30 22 13 - 32 Atypical lymphocyte 0 - 6 0 0 - 6 Monocyte 1 - 10 6 1 - 11 Plasma cell 0 - 0 0 0 - 0 NRBC / 100 WBC 0 - 0 0 0 - 0 * Obtained by combining individual results. Cell Classification or Finding Expected Result Participant Results ------------------------------- --------------- ----------------------------------------------------------- Anisocytosis None None ( 66%) Slight ( 33%) Moderate ( 0%) MarKed ( 0%) Poikilocytosis None None ( 93%) Slight ( 7%) Moderate ( 0%) MarKed ( 0%) Macrocytosis None None ( 92%) Slight ( 7%) Moderate ( 0%) MarKed ( 0%) Microcytosis None None ( 90%) Slight ( 9%) Moderate ( 1%) MarKed ( 0%) Hypochromia None None ( 97%) Slight ( 3%) Moderate ( 0%) MarKed ( 0%) Polychromasia None None ( 91%) Slight ( 9%) Moderate ( 0%) MarKed ( 0%) Bizarre or irregular platelets Absent Absent( 99%) Present( 1%) Clumped platelets Absent Absent( 91%) Present( 9%) Giant platelets Absent Absent( 78%) Present( 22%) Platelet satellitosis Absent Absent(100%) Present( 0%) Auer rods Absent Absent(100%) Present( 0%) Döhle bodies Absent Absent( 99%) Present( 1%) Hypersegmentation Absent Absent( 97%) Present( 3%) Pelger Huët anomaly Absent Absent(100%) Present( 0%) Smudge / Basket cells Absent Absent( 93%) Present( 7%) Toxic granulation Absent Absent( 95%) Present( 5%) Acanthocytes Absent Absent(100%) Present( 0%) Basophilic stippling Absent Absent( 92%) Present( 8%) Blister cells (pre keratocytes) Absent Absent(100%) Present( 0%) Cabot rings Absent Absent(100%) Present( 0%) Echinocytes (crenated/burr cells) Absent Absent(100%) Present( 0%) Elliptocytes Absent Absent( 98%) Present( 2%) Howell-Jolly bodies Absent Absent(100%) Present( 0%) Pappenheimer bodies Absent Absent(100%) Present( 0%) Red cell agglutinates Absent Absent(100%) Present( 0%) Rouleaux Absent Absent( 97%) Present( 3%) Schistocytes Absent Absent( 99%) Present( 1%) Schüffner's granules Absent Absent(100%) Present( 0%) Sickle cells (drepanocytes) Absent Absent(100%) Present( 0%) Spherocytes Absent Absent( 97%) Present( 3%) Stomatocytes Absent Absent( 98%) Present( 2%) Target cells (codocytes) Absent Absent( 93%) Present( 7%) Tear drop cells (dacrocytes) Absent Absent( 99%) Present( 1%) Bacteria Absent Absent(100%) Present( 0%) Fungi/yeast Absent Absent(100%) Present( 0%) Malaria/Babesiosis Absent Absent(100%) Present( 0%) Stain precipitate Absent Absent( 94%) Present( 6%) Go to Slide 006 critique