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Pathology Definitions > Neoplasia > Flashcards

Neoplasia Flashcards

0
Q

Abnormal mass of tissue, the growth of which exceeds and is uncoordinated with that of normal tissues and which persists in the same excessive manner after cessation of the stimuli which evoked the change

A

Neoplasm

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1
Q

The study of neoplasia

A

Oncology

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2
Q

Literally a mass or swelling; a neoplasm (?)

A

Tumor

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3
Q

Not malignant, favorable, good natured

A

Benign

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4
Q

Having the property of uncontrollable growth and dissemination or recurrence

A

Malignant

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5
Q

Any malignant neoplasm

A

Cancer

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6
Q

Sequence of events leading to the development of cancer

A

Carcinogenesis

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7
Q

Presence of a disease process at a site distant from the site of origin

A

Metastasis

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8
Q

A large lump

A

Mass

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9
Q

A small lump

A

Nodule

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10
Q

Any closed epithelial lined cavity usually containing fluid or pasty material

A

Cyst

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11
Q

A growth or mass protruding from a mucus membrane, usually on a stalk

A

Polyp

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12
Q

A nipple like or frond like projection

A

Papilla

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13
Q

Sitting on a surface without a stalk

A

Sessile

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14
Q

A malformation composed of an overgrowth of mature cells and tissues normally present in the affected part, but often with one element predominating; congenital lesions (mole, birthmark)

A

Hamartoma

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15
Q

Microscopically normal cells or tissues present in an abnormal location, which may be visible macroscopically as a mass; almost always congenital

A

Choristoma

16
Q

A neoplasm composed of neoplastic elements from more that one and often all three germ layers

A

Teratoma

17
Q

A malignant lymphoid neoplasm

A

Lymphoma

18
Q

A malignancy of melanocytes

A

Melanoma

19
Q

Malignancy of hepatocytes

A

Hepatoma

20
Q

Malignancy of plasma cells

A

Myeloma

21
Q

A malignant epithelial neoplasm

A

Carcinoma

22
Q

A malignant mesenchymal neoplasm

A

Sarcoma

23
Q

Refers to a cancer within an epithelial surface that has not penetrated the basement membrane

A

Carcinoma in situ

24
Q

Spread to distant sites

A

Metastasis

25
Q

Often no main primary tumor is found; when neoplasm has undergone metastasis or many tumors arose at one time

A

Multicentricity

Pathology Definitions (7 decks)

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