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Dedifferentiated liposarcoma arising from the mesocolon ascendens: report of a case.
[dedifferentiated liposarcoma]
Dedifferentiated
liposarcoma
of
the
mesentery
is
an
extremely
rare
tumor
.
A
71
-
year
-old
man
with
a
2
-
month
history
of
abdominal
distention
was
admitted
to
our
department
for
evaluation
and
treatment
of
an
abdominal
mass
.
Computed
tomography
and
magnetic
resonance
imaging
revealed
an
11
×
9
cm
mass
lesion
with
fat
density
in
the
upper
right
abdominal
cavity
,
displacing
the
ascending
and
transverse
colon
ventrally
.
Abdominal
angiography
showed
small
feeding
vessels
of
the
tumor
from
the
ileocolic
artery
and
the
middle
colic
artery
.
On
basis
of
these
findings
,
liposarcoma
arising
from
the
mesocolon
ascendens
was
diagnosed
,
and
complete
removal
of
the
tumor
and
central
pancreatectomy
(
partial
resection
of
the
body
of
the
pancreas
)
were
performed
.
The
histopathological
diagnosis
was
dedifferentiated
liposarcoma
,
and
the
patient
is
free
from
recurrence
6
months
after
surgery
.
The
treatment
strategy
for
abdominal
dedifferentiated
liposarcoma
is
surgical
resection
with
a
wide
surgical
margin
.
