Cytohematology Proficiency Testing 12 March 2001 Slide: 039 Go to Slide 039 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 - 0 Metamyelocyte 0 - 0 0 0 - 0 Band neutrophil 0 - 3 0 0 - 4 Segmented neutrophil 35 - 52 43 32 - 56 *[Total neutrophils] 36 - 52 44 32 - 56 Eosinophil 1 - 5 3 0 - 6 Basophil 0 - 1 0 0 - 3 Lymphocyte 37 - 54 46 26 - 58 Atypical lymphocyte 0 - 2 0 0 - 10 Monocyte 2 - 10 5 0 - 11 Plasma cell 0 - 0 0 0 - 0 NRBC / 100 WBC 0 - 0 0 0 - 0 * 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 None None ( 76%) Slight ( 24%) Moderate ( 0%) MarKed ( 0%) Poikilocytosis None None ( 90%) Slight ( 10%) Moderate ( 0%) MarKed ( 0%) Macrocytosis None None ( 97%) Slight ( 3%) Moderate ( 0%) MarKed ( 0%) Microcytosis None None ( 96%) Slight ( 4%) Moderate ( 0%) MarKed ( 0%) Hypochromia None None ( 76%) Slight ( 20%) Moderate ( 3%) MarKed ( 0%) Polychromasia None None ( 98%) Slight ( 2%) Moderate ( 0%) MarKed ( 0%) Bizarre or irregular platelets Absent Absent( 99%) Present( 1%) Clumped platelets Absent Absent( 99%) Present( 1%) Giant platelets Absent Absent( 81%) Present( 19%) Platelet satellitosis Absent Absent(100%) Present( 0%) Auer rods Absent Absent(100%) Present( 0%) Döhle bodies Absent Absent(100%) Present( 0%) Hypersegmentation Absent Absent( 98%) Present( 2%) Pelger Huët anomaly Absent Absent(100%) Present( 0%) Smudge / Basket cells Absent Absent( 96%) Present( 4%) Toxic granulation Absent Absent( 93%) Present( 7%) Acanthocytes Absent Absent(100%) Present( 0%) Basophilic stippling Absent Absent( 91%) Present( 9%) 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( 96%) Present( 4%) 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(100%) Present( 0%) Schüffner's granules Absent Absent(100%) Present( 0%) Sickle cells (drepanocytes) Absent Absent(100%) Present( 0%) Spherocytes Absent Absent( 99%) Present( 1%) Stomatocytes Absent Absent( 88%) Present( 12%) Target cells (codocytes) Absent Absent( 98%) Present( 2%) 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( 77%) Present( 23%) Go to Slide 039 critique