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Primary liposarcoma of the duodenum: a first case presentation.
[dedifferentiated liposarcoma]
A
55
-
year
-old
man
suffering
from
melena
was
admitted
to
our
hospital
.
A
blood
test
showed
severe
anemia
.
Contrast-enhanced
computed
tomography
(
CT
)
revealed
a
huge
lesion
in
the
duodenum
and
dilatation
of
the
common
bile
duct
.
Upper
gastrointestinal
endoscopy
also
identified
hemorrhaging
from
the
tumor
in
the
duodenum
.
Due
to
the
low
density
of
the
tumor
mass
,
we
performed
emergency
pylorus-preserving
pancreaticoduodenectomy
.
Histology
revealed
an
area
of
well-differentiated
liposarcoma
as
well
as
an
area
of
high
-grade
spindle
cells
and
pleomorphic
sarcoma
without
obvious
differentiation
.
The
final
pathological
diagnosis
was
dedifferentiated
liposarcoma
.
This
is
the
first
case
report
of
primary
liposarcoma
of
the
duodenum
.
Diseases
Validation
Diseases presenting
"tumor in the duodenum"
symptom
dedifferentiated liposarcoma
well-differentiated liposarcoma
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