問題一覧
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aggressive, outermost, frequently found in the lungs and skin
squamous cell carcinoma
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made up of lymphoid cells and occurs in the spleen and bowel as well as in the lymph nodes
malignant lymphomas
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a malignant disease of the lymphatic tissue usually characterized by pairless enlargement of the lymph nodes in the neck, axilla, liver, bone marrow and bones
Hodgkin's disease
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it is distinguish from other forms of cell in the affected lymph nodes
hodgkin's disease
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the presence of large binucleat cells
sternberg reed cells
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refers to glandular cancer, example is breast cancer
adenocarcinoma
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came drom the greek word "SARC" which means FLESH "Oma" means "tumor or neoplasm" it tends to be highly invasive and metastasize rapidly to distant sites eatly in their coarse example is osteoma
sarcoma
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characteriatics of malignant neoplasm
autonomy, anaplasia, growth and invasion, spread or metastasis
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the state of functioning independently, without extraneous influence cancer cells loose their regulatory capabilities and grow without limits
autonomy
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loss of normal cell characteristics or differentiation
anaplasia
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cancer cells invade surrounding tissues by breaking through the basement membrane doubling time" is faster than it takes the cell to replicate
growth and invasion
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the process of spreading and growing in a new location cancer cells can break away from the parent tumor and enter the circulation to float elsewhere
spread or metastasis
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what are the 3 stages of metastasis process
invasion of neoplastic cell spread of tumor cells via lymph or blood circulation or by direct expansion establishment and growth of tumor cells at the secondary site
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increasing degree of metastasis distant metastasis present
M1 M2 M3
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Warning signs of cancer
Change in bladder or bowel habits A a sore that does not heal Unusual bleeding or discharge Thickening of lump in breast or elsewhere Indigestion or difficulty swallowing Obvious change in wart or moles Nagging cough or hoarseness Unexplained anemia Sudden weight loss
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well differentiated grade
G1
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Moderately well differentiated grade
G2
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poorly to very poorly differentiated this means that the tumor cells dont look like normal cells they are disorganized under the microscope and tend ti grow and spread faster than grade 1 tumor
G3 G4
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classifications of benign tumors
papillomas,adenomas,fibromas,lipomas,myomas,pigmented nevi
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classifications of malignant tumor
gliomas,neuroblastomas,malignant melanomas,malignant lymphomas,adenocarcinoma sarcoma