Poikilocytes

Question 1

Acanthocyte

Answer 1

Spur cell

Question 2

Burr cell

Answer 2

Echinocyte
Crenated RBC

Question 3

Elliptocyte

Answer 3

Pencil cell

Question 4

Keratocyte

Answer 4

Horned cell
Helmet cell

Question 5

Knizocyte

Answer 5

Pinch bottle cell

Question 6

Ovalocyte

Answer 6

Elliptocyte

Question 7

Schistocyte

Answer 7

Schizocyte

Question 8

Drepanocyte

Answer 8

Sickle cell

Question 9

Codocyte

Answer 9

Target cell

Question 10

Dacryocyte

Answer 10

Teardrop cell

Question 11

2-10 pointed projections of various lengths and irregular spacing

Answer 11

Acanthocyte

Question 12

Contains one or more vacuoles that resemble a blister on the skin

Answer 12

Blister cell

Question 13

10-30 pointed projections evenly distributed around the cell

Answer 13

Burr cell

Question 14

Narrow and elongated, resembling a rod or cigar shape

Answer 14

Elliptocyte

Question 15

Fragment in which the volume is close to normal

Answer 15

Keratocyte

Question 16

Narrow band of hemoglobin across the center of the cell

Answer 16

Knizocyte

Question 17

Oval or egg-like appearance

Answer 17

Ovalocyte

Question 18

Fragment in which cellular volume is reduced

Answer 18

Schistocyte

Question 19

Crescent-shaped with at least one end that is pointed

Answer 19

Sickle cell

Question 20

Compact and round: has lost its area of central pallor

Answer 20

Spherocyte

Question 21

Central slit-like opening resembling a mouth

Answer 21

Stomatocyte

Question 22

Contains a central bull’s eye surrounded by a clear ring and then an outer red ring

Answer 22

Target cell

Question 23

Resembles a tear

Answer 23

Teardrop cell

Question 24

Possible pathology

Acanthocyte

Answer 24

Abetalipoproteinemia
Pyruvate kinase deficiency
Alcohol intoxication
Post-splenectomy

Question 25

Possible pathology Burr cell

Answer 25

Post-splenectomy patients with enzyme anomalies Artificial drying

Question 26

Possible pathology Elliptocyte

Answer 26

IDA Hereditary elliptocytosis

Question 27

Possible pathology Keratocyte

Answer 27

G6PD deficiency

Question 28

Possible pathology Ovalocyte

Answer 28

Thalassemia syndromes Myelodysplastic syndromes

Question 29

Possible pathology Schistocyte

Answer 29

MAHA

Question 30

Possible pathology Sickle cell

Answer 30

Sickle cell anemia

Question 31

Possible pathology Spherocyte

Answer 31

Hereditary spherocytosis

Question 32

Possible pathology Stomatocyte

Answer 32

Stomatocytosis

Question 33

Possible pathology Target cell

Answer 33

LCAT deficiency Thalassemia

Question 34

Possible pathology Teardrop cell

Answer 34

Myelofibrosis

Question 35

Single, occasionally double, rarely multiple red purple coccoid bodies

Answer 35

Howell-Jolly body

Question 36

Clusters or small blue coccoid bodies located at the periphery of the cell

Answer 36

Pappenheimer body

Question 37

Multiple, uniform, dark dots distributed evenly throughout the cell

Answer 37

Basophilic stipplings

Question 38

Red-purple ring at the periphery of the cell in the form of a figure 8

Answer 38

Cabot ring

Question 39

Not visible

Answer 39

Heinz body

Question 40

Composition DNA: nuclear or chromosomal remnant

Answer 40

Howell-Jolly body

Question 41

Composition Non-heme iron

Answer 41

Pappenheimer body

Question 42

Composition Altered RNA

Answer 42

Basophilic stipplings

Question 43

Composition Mitotic spindle remnant

Answer 43

Cabot ring

Question 44

Composition Denatured hemoglobin

Answer 44

Heinz body