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[Clinical value of MRI united-sequences examination in diagnosis and differentiation of morphological sub-type of hilar and extrahepatic big bile duct cholangiocarcinoma].
[cholangiocarcinoma]
To
investigate
MRI
features
and
associated
histological
and
pathological
changes
of
hilar
and
extrahepatic
big
bile
duct
cholangiocarcinoma
with
different
morphological
sub-types
,
and
its
value
in
differentiating
between
nodular
cholangiocarcinoma
(
NCC
)
and
intraductal
growing
cholangiocarcinoma
(
IDCC
)
.
Imaging
data
of
152
patients
with
pathologically
confirmed
hilar
and
extrahepatic
big
bile
duct
cholangiocarcinoma
were
reviewed
,
which
included
86
periductal
infiltrating
cholangiocarcinoma
(
PDCC
)
,
55
NCC
,
and
11
IDCC
.
Imaging
features
of
the
three
morphological
sub-types
were
compared
.
Each
of
the
subtypes
demonstrated
its
unique
imaging
features
.
Significant
differences
(
P
<
0
.
05
)
were
found
between
NCC
and
IDCC
in
tumor
shape
,
dynamic
enhanced
pattern
,
enhancement
degree
during
equilibrium
phase
,
multiplicity
or
singleness
of
tumor
,
changes
in
wall
and
lumen
of
bile
duct
at
the
tumor
-bearing
segment
,
dilatation
of
tumor
upstream
or
downstream
bile
duct
,
and
invasion
of
adjacent
organs
.
Imaging
features
reveal
tumor
growth
patterns
of
hilar
and
extrahepatic
big
bile
duct
cholangiocarcinoma
.
MRI
united-sequences
examination
can
accurately
describe
those
imaging
features
for
differentiation
diagnosis
.
Diseases
Validation
Diseases presenting
"tumor shape"
symptom
cholangiocarcinoma
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