Webster's New World Medical Dictionary

lipomatosis, familial benign cervical
See
cephalothoracic lipodystrophy.
lipoprotein
A molecule that is a combination of
lipid and protein. Lipids do not travel in the blood
by themselves, but they are carried through the
bloodstream as lipoproteins.
liposarcoma
A type of malignant tumor that arises
from fat cells in deep soft tissue, such as inside the
thigh. Most frequently seen in older adults (age 40
and above), liposarcomas are the most common of
all soft-tissue sarcomas. See also 
sarcoma.
liposuction
The surgical suctioning of fat
deposits from specific parts of the body, the most
common being the abdomen, buttocks, hips, thighs
and knees, chin, upper arms, back, and calves. A
hollow instrument called a cannula is inserted
under the skin to break up the fat. A high-pressure
vacuum is then applied to the cannula to suck out
the fat. Liposuction is one of the most common cos-
metic operations in the US. See also 
liposuction,
tumescent; liposuction, ultrasonic-assisted.
liposuction, tumescent
A form of liposuction in
which several quarts of a solution are pumped
below the skin in the area from which fat is to be
suctioned. The saline (salt water) solution used
includes the local anesthetic lidocaine to numb 
the area and the vessel-constrictor epinephrine
(adrenaline) to help minimize bleeding. The fat is
suctioned out through small suction tubes called
microcannulas. See also 
liposuction.
limb
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liposuction, ultrasonic-assisted
A form of
liposuction in which the cannula is energized with
ultrasonic energy to assist in the breakdown of fat
tissue. This technique has an advantage in areas of
scar tissue, such as the male breast, the back, and
areas where liposuction has been performed
before. Its disadvantages include the need for
longer incisions in the skin, a potential for skin or
internal burns, greater cost, and a longer time
needed to complete the procedure. See also
liposuction.