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Basic Hematology 2 Reynolds
Basic concepts of hematology 2 lecture
43
Medical
Graduate
02/25/2011

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Cards

Term
What is Polycythemia Vera?
Definition
Stemm cell abnormality, myeloproliferative Disorder "Cancer"
Term
What is another term for Polycythemia?
Definition
Erythrocytosis
Term
What are granulocytes?
Definition
WBC with granules in cytoplasm
Term
What are the 3 types of granulocytes?
Definition
Neutrophils, basophils, eosinohils
Term
What are agranuclocytes?
Definition
WBC with no granules in cytoplasm
Term
What are the main types of agranulocytes?
Definition
monocytes, lymphocytes (T and B cells, plasma cells)
Term
What are the normal levels of neutrophils?
Definition
30-75% of WBC
Term
What are the normal levels of eosinophils?
Definition
0-6% of WBC
Term
What is the myelocytic cell line?
Definition
phagocytes
Term
What are the 5 subtypes of phagocytes?
Definition
neutrophils, basophils, eosinophils, monocytes, macrophages
Term
What is neutrophilia?
Definition
An increased number of neutrophils
Term
What is neutropenia?
Definition
A decreased number of neutrophils
Term
What is eosinophilia?
Definition
An increased number of eosinophils
Term
What is basophilia?
Definition
An increased number of basophils, RARE!
Term
What is lymphocytosis?
Definition
increased number of lymphocytes
Term
What is lymphopenia
Definition
A decreased number of lymphocytes
Term
What is Bruton's Syndrome?
Definition
A B cell immunodeficiency
Term
What is DiGeorge's Syndrome?
Definition
A T cell immunodeficiency due to thymus dysfunction
Term
What is a blood cell neoplasm?
Definition
Blood or bone cancer
Term
What is a myeloproliferative BC neoplasm?
Definition
myeloid cell line related neoplasms
Term
Name two types of myeloproliferative BCN's
Definition
myelodysplastic syndrome, myelogenous leukemias
Term
What are lymphoproliferative BCN's?
Definition
lymphomas, multiple myeloma, lymphocytic leukemias
Term
What is myelodysplastic Syndrome?
Definition
results in cytopenia of RBC, platelets, granulocytes
Term
Name the major locations of lymphatic tissue (5)
Definition
Spleen, thymus, tonsils, bone marrow, lymph nodes
Term
What is Burkitt's Lymphoma?
Definition
b-cell lymphoma, associated with Epstien-Barr Virus
Term
What is Hodgkin's Lymphoma?
Definition
Painless cancerous enlargement of lymph nodes
Term
What is non-Hodgkin's Lymphoma?
Definition
More common form of lymphoma
Term
What is a multiple myeloma?
Definition
An increase in plasma cells w/ antibody overproduction
Term
What is leukemia?
Definition
A bone marrow disorder
Term
What is the leukemoid reaction?
Definition
A high number of leukocytes that looks like, but is not leukemia
Term
What is acute leukemia?
Definition
A rapid onset, rapidly fatal form of leukemia
Term
What is chronic leukemia?
Definition
Similar to acute, but of a gradual, slowly progressive course
Term
What are some ocular effects of leukemia? (3)
Definition
retinal or subconjunctival hemorrhage, papilledema, EOM weakness/paralysis
Term
What are the 4 types of leukemia classification?
Definition
Acute or Chronic (lymphocytic and meylocytic)
Term
What is acute lymphocytic leukemia?
Definition
Most common leukemia in children, peak occurrence of 4 years old
Term
What is acute myelocytic leukemia?
Definition
most common acute leukemia in adults, often from exposure (radiation, chemicals, chemotherapy)
Term
What is chronic lymphocytic leukemia?
Definition
A form of leukemia that does not respond to treatment
Term
What is Gleevec?
Definition
An expensive hydroxyurea
Term
How does gleevec work?
Definition
Antimetabolite: Interferes with cell growth
Term
What does Gleevec target?
Definition
Tyrosine kinase enzyme
Term
What are two important signs/sx of polycythemia vera?
Definition
Headache, visual changes
Term
What causes neutrophilia?
Definition
bacterial infection
Term
What causes eosinophilia?
Definition
allergic rxn, infections, cancer
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