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18 Cards in this Set
- Front
- Back
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A neoplasia derived from mesenchymal cells
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Sarcomas
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A neoplasia derived from germ layers
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Carcinomas
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neoplasias that have "noma" on end of name
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Usually benign; some exceptions
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tumor that extends beyond mucosal layer
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polyp
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malignant polyp
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polypoid
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divergent differentiation of a single line of parenchymal cells
epithelial components scattered in myxoid of stroma Sometimes islands of bone or cartilage |
pleiomorphic adenoma
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Variety of parenchymal cell types
Variety of germ layers |
teratoma
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Abberation differentiation producing mass of disorganized mature specialized cells or tissue indigenous to particular site
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hemartoma
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neoplasias comprised of cells that have little or no resemblence to the cell they originated from
Nuclear abnormalities, overly large nucleoli, increased mitosis, loss of polarity, giant cells with central ischemic necrosis |
anaplastic
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Dysplastic changes that involve entire epithelium but the carcinoma is confined to normal tissue
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carcinoma in situ
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Ti-C
require BMI-> represses cell cycle inhibitors |
cancer stem cells
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tumor that is obviously invavasive
No boundaries to growth Surgical resection is difficult, removal of adjacent tissue is inevitable |
malignant
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tumors with the cytological make up of a malignancy but without invading the basement membrane
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in situ
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inplants of a tumor that are discontinuous with the primary tumor
inequivocably means malignancy lessens likelihood of a cure |
metastasis
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tumors that don't metastisize
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sarcomas of the skin and gliomas
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metastasis that occurs when tumor penetrates in open field
Usually in perotineal cavity Often occurs with ovarian cancers peritoneal cavity is covered with a cancerous glaze |
Seeding
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First node of lymphatic basin that receives the primary tumor
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sentinel node
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Spread of tumor by blood
Travels in direction of venous flow Liver and lungs often involved Veins more commonly involved than arteries |
Hematogenous
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