Leukocytes Flashcards
Abnormality in pelger huet anomaly
Abnormal nucleic acid metabolism
Leukemia associated with Down syndrome trisomy, D-trisomy
Acute myeloproliferative leukemia
Enzyme important to perform respiratory burst
Myeloperoxidase
Tumors with large quantities of MPO producing green appearance
Chloroma
AML classification with Ch translocation 15 and 17
M3 / Acute promyelocytic leukemia
Oncogene involved in M3 / Acute promyelocytic leukemia
PML/RARA oncogene
Cell full of auer rods
Faggot cells
present in M3
Nagelli leukemia
M4 / Acutte myelomonocytic leukemia
Schilling leukemia
M5a / Acute monoblastic leukemia w/o maturation
AML classification with accumulation of precursor of RBC
M6 / Acute erythroid leukemia
Di Guglielmo Syndrome
M6 / Acute erythroid leukemia
Most favorable prognosis of ALL in children when…
Aged 2-10yrs old w/ pre-B phenotype and hyperdiploidy in 51-60chromosomes
Burkitt type of ALL
L3
Mimic Neutrophilic Leukemoid reaction
CML / Chronic myeloproliferative leukemia
Chromosomes translocated in CML
Chromosome #9 and #22
Presence of ________ indicates good prognosis on CML
Philadelphia chromosome
3 phase of CML
- Chronic
- Accelerated
- Blast Crisis / Acute
Important enzyme for phagocytic activity of WBCs
Leukocyte Alkaline Phosphatase
Malignant hyperplasia of the multipotent myeloid
Polycythemia vera
Abundant in Agnogenic Myeloid metaplasia w/ myelofibrosis or Myelofibrosis w/ myeloid metaplasia
Teardrop cells
Myelodysplastic syndromes affect ________ cells
Pluripotent stem
Trilineage cytopenia
Refractory anemia with excess blast
Excessive leukocytic response
Leukemoid reaction
WBC >50x10^9/L
Leukemoid reaction is commonly mistaken as…
CML
Due to proliferation of mature cells
Most indolent form of leukemia
Chronic lymphocytic leukemia (CLL)
Chromosomes deleted in CLL:
11, 13, 17
CLL has too much lymphocytes, creating what type of cells
Smudge cells (many), basket cell (1-2)
Leukemic reticuloendotheliois
Hairy cell leukemia
CD markers that are positive that indicates B-cell malignancy or B-cell cancer
CD19 and CD20
CLL that is Tartrate Resistant Acid Phosphatase (TRAP) positive (+)
Hairy cell leukemia
Cutaneous T-cell lymphoma
Mycosis fungoides
leads to ulcerative tumors
Sezary syndrome
Mycosis fungoides
Albinism seen on
Chediak Higashi (CH) syndrome - presence of CH granules
Hodgkin lymphoma diagnostic cell
Reed-sternberg cell
owl eyes appearance
Stains that differentiate AML with ALL
Myeloperoxidase śtain
Sudan Black B stain
(+) PAS on erythroblast and immature RBC = indicate what type of leukemia
M6 / Acute erythroid leukemia
PAS indicate presence of…
Glycogen and other 1,2-glycol-containing carbohydrate
Specific (Chloroacetate) esterases: ______
Non-specific esterases: _______
Granulocytic leukemia (M1-M3)
Monocytic leukemia (M4-M5a/M5b)
NOTE:
- Non-specific esterase has Na fluoride = inhibit monocytic cell
Stain used to differentiate subgroups of ALL
Acid phosphatase stain
Stain to differentiate CML and leukemoid reaction
leukocyte alkaline phosphatase stain
NOTE:
CML has no LAP
Stain that binds with acid mucopolysaccharide
Toluidine blue
Stain used for recognition of mast cell and basophil
Toluidine blue
Specific granule found in eosinophils that are most potent to parasites
Major basic protein (MBP)
Also known as juvenile cell
Metamyelocyte
Cell-mediated immunity:
Humoral immunity:
Cell-mediated immunity: T-cell
Humoral immunity: B-cell
Supports the growth and differentiation of T-cells from BM
Secreted by basophils
Activated by T cells
Interleukin 3
WBC with brain-like convulsions
Monocyte
Granulocytes are distinguishable by their presence of _______________ that appear during the ____________ stage
Specific granules
Myelocyte
WBC’s left shift refers to the presence of ______________________
Increase immature WBC in the circulation
Right shift - increase in hypersegmented cells
Reference range of WBCs
4.5 - 11.5 x10^9/L
Subtype of myeloblast with disperesed primary (azurophilic) granules that does not exceed 20 per cell
Type II myeloblast
Normal granulocyte precursor with paranuclear halo or hof
Promyelocyte
First stage of granulocyte precursor where synthesis of primary or non-specific azurophilic granules appear
Promyelocyte
Final or last stage capable of mitosis in granulocyte maturation stage
Metamyelocyte
Granulocyte precursor: Secondary/specific granules begins to manufacture
Myelocyte
Dawn of neutrophilia is seen in _____________
Early myelocyte
patches of grainy pale-pink cytoplasm due to secondary granules in the Golgi Apparatus
Nucleoli begin to disappear in the _____________ stage
Myelocyte
Predominant granulocyte precursor in the bone marrow
Metamyelocyte
Wbc precursor with a shape of kidney bean/peanut shaped nucleus
Metamyelocyte
_____________ stage begins the production of tertiary/gelatinase granules
Metamyelocyte
Shape of nucleus in band or stab cells
Elongated, C or S shaped (Curved or Sausage)
Youngest granulocyte precursor normally seen in peripheral blood
Band / stab cell
Wbc precursor: secretory granules or secretory vesicles begin to form
Band / stab cells
Mature granulocyte where lobes are connected by thread-like filaments
Segmented neutrophil
Basophils are ___________ soluble. If granules are dissolved, it leaves a ____________ surrounding a vacuole
Water
Reddish-purple rim
The major cytokine responsible for the stimulation of neutrophil production __________________
granulocyte colony-stimulating factor, or G-CSF
Tertiary granules degrade the extracellular matrix and act as a _____________
Chemotactic agent
Neutrophils are a source of ____________ and ________ for the proper absorption of Vit B1
Transcobalamine
R binder protein