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Anemia
Anemia
29
Medical
Professional
03/29/2011

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Term
anisocytosis
Definition
variation in size of RBC
-measured by RDW
Term
poikilocytosis
Definition
variation in shape of RBC
Term
RDW
Definition
RBC distribution width-measure of the variation in size of RBCS
Term
pelgeroid
Definition
nuetrophil with a dense, hyposegmented nucleus and hypogranular
Term
microcytes
Definition
-iron difeicience, thalessemia, anemia of chronic disease, lead poisening
Term
macrocyte
Definition
neonate, liver diease and endocrine disorders, vitamine b12/folate, myelodysplastic syndrome
Term
hypochromia
Definition
iron deficiency, thalassemia, lead posoining (all microcytic) and siderblastic anemia
Term
drepanocyte
Definition
sickle cell
Term
echinocyte
Definition
burr or crenated cell-star shaped
-unevely spaced projections, artifact, uremia, and pyruvate kinase dificiency
Term
acanthocyte
Definition
spur cell, worse than echinocyte, star shaped
-irregular projections, altered lipid content in membrane
-abetalipoprotienemia (no ApoB-malabsorption of fat and ADEK), severe liver disease, unusual blood group (McLeod phenotype), spelectomy, malabsorption, hypothyroidism, Vit. E dificiency
Term
Kerateocyte (helmet/bite cell)
Definition
-thrombotic thrombocytopenic purpura (TTP), disseminated intravascular coagulation (DIC), Hemolytic uremic syndrome (HUS), Microangiopathic autoimmune hemolytic anemia (MAHA)
Term
spherocyte
Definition
transfused cells, severe burnes, hereditary spherocytosis
-
Term
codocyte
Definition
target cell
-artifact, loss of Hb or cell volume, in surface membrane
-hemoglobinopathies, thalassemia, iron deficiency, splenectomy, liver disease
Term
dacrocyte
Definition
tear drop cell
-abnormal microvasculature of marrow or spleen
-marrow infiltration (myelofibrosis, myelophtisic anemia), extramedullary hematopoiesis, thalassemia, pernicious anemia
Term
elliptocyte
Definition
heriditary elliptocytosis, thalassemia major, iron deficiency anemia
Term
schistocyte
Definition
red cell fragmentation, MAHA, DIC, HUS, TTP, mechanical valve, burns
Term
schizocyte
Definition
red cell fragmentation, MAHA, DIC, HUS, TTP, mechanical valve, burns
Term
stomatocyte
Definition
"lips" slit of pallor center
-herditary stomatocytosis, alcoholism, liver disease, Rh null phenotype, artifact
Term
howell-Jolly Bodies
Definition
-Dark-blue purple nuclear remnants containing DNA
-accelerated or abnormal erythropoiesis
-usually one, can be multiple
-splenectomy, megaloblastic anemia, hemolytic anemia
-signs of stress in BM- reticulocytes, howell-jolly bodies, nucleated RBCs
Term
pappenheimer bodies
Definition
siderotic granules-light blue composed of non heme iron
-splenectomy, hemolytic, megoblastic anemia, hemoglobinopathy, sideroblastic anemia
Term
polychromasia
Definition
-different colors-from reticulocytes or precipitated RNA (stain with methylene blue)
-acute/chromic hemorrhage, hemolysis, effective treatment of anemia, neonates
Term
Heinz bodies
Definition
-small, rounded inclusions of Hb
-single or multiple, negative for iron
-G6PD and hemoglobinopathy
Term
Basophilic stippling
Definition
-evenly distributed dark blue/purple granules composed of RNA
-LEAD, thalassemia, abnormal heme synthesis, siderblastic anemia
-
Term
Cabot ring
Definition
dark blue/purple ring or figure 8
-remnant of mitotic spindle
-megaloblastic anemia and MDS
Term
rouleaux
Definition
-stacks of coins
-monoclonal gammopathies, increase polyclonal gammerglobulins, liver disease, hyperfibrinogenemia
Term
col agglutination
Definition
-increase IgM
-mycoplasma, infection mono (and other viral infections, neoplasms (**lymploplasmacytic lymphoma (LPL))
Term
CD34
Definition
stem cell marker
Term
CD117
Definition
-stem cell marker. Also on mast cells and endothelial cell (less specific)
Term
hematogone
Definition
benign lymphoid precursor in BM, small to itnermediate sized lymphocyte
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