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Neoplasm?
Cells that no longer respond to growth mechanisms (often overgrown)
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3 characters of benign tumors?
- 1) indefinite growth
- 2) defined structure
- 3) don't invade healthy tissues
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3 characters of malignant tumors?
- 1) indefinite growth
- 2) no defined structure
- 3) invade healthy tissues
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3 cancers of immune system?
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Carcinoma origin and attack site?
- Origin: ectoderm
- Site: skin, breast, prostate, lung, stomach, colon
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Sarcoma origin and attack site?
- origin: mesoderm
- site: bone, fat, muscle, blood vessels, cartilage
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diff b/t Acute and Chronic leukemia?
- Acute: immature bone marrow cells that continually proliferate
- Chronic: slightly more mature bone marrow cells but cannot fight off infection well
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Another term for Acute Leukemia?
Blastic
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Another term for chronic leukemia?
Cytic
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Myelogenous Leukemia?
Involves granulocytes and monocytes
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Lymphocytic leukemia?
involves B/T cells (mainly B-cells)
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Lymphoma?
Tumor mass found in secondary immune system (nodes, spleen, MALT)
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Two lymphoma categories?
- HD (Hodgkin's disease)
- NHL (Non-Hodgkin's lymphoma)
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