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2.  is an abnormal growth of
tissue.
 Also known as a tumor
 (meaning "new formation")
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3.  Benign: A slow-growing, self-contained
tumor that is not seriously harmful.
 Malignant: A usually fast-growing, often
fatal tumor that invades surrounding
tissue and sheds cells that spread
throughout the body, creating new
tumors.
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6.  Benign  Malignant
 Well-differentiated  Cells are
cells that resemble undifferentiated and
normal cells of the often bear little
tissue from which the resemblance to the
tumor originated normal cells of the
tissue from which
they arose
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7.  Benign  Malignant
 Tumor grows by  Grows at the
expansion and does periphery and sends
not infiltrate the out processes that
surrounding tissues; infiltrate and destroy
usually the surrounding
encapsulated tissues
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10.  Benign  Malignant
 Rate of growth is  Rate of growth is
usually slow variable and
depends on level of
differentiation; the
more anaplastic the
tumor, the faster its
growth
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11.  Benign  Malignant
 Does not spread by  Gains access to the
metastasis blood and lymphatic
channels and
metastasizes to other
areas of the body
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13.  Benign  Malignant
 Is usually a localized  Often causes
phenomenon that generalized effects,
does not cause such as anemia,
generalized effects weakness, and
unless its location weight loss
interferes with vital
functions
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14.  Benign  Malignant
 Does not usually  Often causes
cause tissue extensive tissue
damage unless its damage as the
location interferes tumor outgrows its
with blood flow blood supply or
encroaches on
blood flow to the
area; may also
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produce substances
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damage

15.  Benign  Malignant
 Does not usually  Usually causes death
cause death unless unless growth can
its location interferes be controlled
with vital functions
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16.  Benign tumors cause more than 13,000
annual deaths in the USA, which can be
compared to more than 500,000 annual
deaths from cancer (malignant tumors).
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17. Really...
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