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75 Cards in this Set

  • Front
  • Back

Characteristics of benign tumors

(1) grow slowly (2) usually encapsulated (3) differentiated (4) DO NOT metastasize

Characteristics of malignant tumors

(1) multiply rapidly (2) invasive, infiltrate (3) undifferentiated (4) DO metastasize

Carcinogenesis

damages genetic material (DNA)

What is anaplastic with regards to cells?

DNA stops making normal codes that allow normal cells to continue differentiating

What is apoptosis?

When normal cells undergo death ( cancer cells lose this ability)

Some chemical carcinogens?

Hydrocarbons ( nicotine products, auto exhaust, dyes, asbestos, hormones)

Oncogenes

Pieces of normal DNA when mutated (via translation) -> makes normal cells into cancerous cells

Histogenesis??

??

cancerous tumors -> cancinomas

solid tumors derived from epithelial tissue ( skin, glands, digestive tract, urinary tract, reproductive organs)

cancerous tumor -> sarcomas

arise from connective tissue ( bone, muscle, cartilage, bone marrow, lymphatic system)

cancerous tumor -> mixed-tissue tumors

derived from tissue able to differentiate into either epithelial + connective tissue ( Will's tumor, skin, gland cells, cartilage, "germ cell" tumor)

GROSS - cystic

forming large open spaces filled with fluid

GROSS - fungating

tumor cells piled one top of one another

GROSS - medullary

Large, soft, fleshy tumor

GROSS - polypoid

Growths form projections extending from base

GROSS - ulcerating

open, exposed surface resulting from death of overlying tumors

GROSS - verricous

resembling a wart-like growth

MICRO descriptions - carcinoma in situ

localized tumor cells that have not extended to adjacent cells

MICRO descriptions - dysplastic

containing abnormal-appearing cells that are not clearly cancerous

MICRO descriptions - epidermoid

resembling squamous epithelial cells

MICRO descriptions - follicular

forming small grandular sacs

MICRO descriptions - papillary

finger- or nipple-like projections from cell

MICRO descriptions - pleomorphic

made of a variety of cells

MICRO descriptions - schirrous

densely packed d/t dense bands of fibrous tissue

MICRO descriptions - undifferentiated

Lacking of microscopic structure of normal master cells

Grade 1 tumor

Well differentiated and closely resemble normal cells

Grade 2 + 3 tumors

Intermediate in appearance, moderately or poorly differentiated

Grade 4 tumors

Undifferentiated tumors

alveol/o

small sac

cac/o

bad

carcin/o

cancer, cancerous

cauter/o

burn, heat

chem/o

drug, chemical

cry/o

cold

cyst/o

sac of fluid

fibr/o

fibera

follicul/o

follice , small sac

fung/i

fungus

medull/o

medulla

mucos/o

mucus membrane

mut/a

genetic change

mutagen/o

causing genetic change

necr/o

death

neur/o

nerve

onc/o

tumor

papill/o

nipple-like

plas/o

formation

ple/o

more, many, varied

polyp/o

polyp, small growth

prot/o

first

radi/o

rays

sacr/o

flesh, connective tissue

scirrh/o

hard

xer/o

dry

-blastoma

immature tumor/ cell

-genesis

formation

-oma

mass, tumor

-plasia

formation, growth

-plasm

formation, growth

-suppression

to stop

-therapy

treatment

ana-

backward

apo-

off, away

brachy-

short

epi-

upon

meta-

change , beyond

neo-

new

tele-

far

brachytherapy

radiotherapy that inserts sealed containers into body cavities (or cells)

carcinogen

agent that causes/produces cancer

metastasis

beyond control

neoplasm

new growth

apoptosis

programmed cell death

hyperplasia

excessive growth, formation

pleomorphic

pertaining to a variety of shapes/cells