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[A retrospective analysis of ultrasonic diagnosis for 360 cases of extrahepatic obstructive jaundice].
[cholangiocarcinoma]
To
retrospectively
analyze
the
ultrasonic
diagnosis
of
extrahepatic
obstructive
jaundice
,
discuss
their
ultrasonographic
characteristics
,
technical
procedures
and
misdiagnostic
reasons
and
improve
the
diagnostic
proficiency
and
qualitative
accuracy
of
extrahepatic
obstructive
jaundice
.
Retrospective
analyses
were
conducted
for
the
causes
,
obstructive
sites
and
ultrasonic
characteristics
of
360
cases
of
extrahepatic
obstructive
jaundice
confirmed
by
surgical
pathology
during
10
years
,
including
choledocholithiasis
(
n
=
205
)
,
cholangiocarcinoma
(
n
=
30
)
,
pancreatic
head
carcinoma
(
n
=
44
)
,
gall
bladder
(
n
=
27
)
,
ampullary
carcinoma
(
n
=
24
)
,
cholangitis
(
n
=
24
)
and
biliary
tract
roundworm
(
n
=
6
)
.
For
locating
extrahepatic
obsrtructive
jaundice
,
the
accuracy
of
ultrasonic
diagnosis
was
93
.
6
%
and
that
of
qualitative
diagnosis
87
.
5
%
.
As
an
economic
,
rapid
,
safe
and
noninvasive
tool
,
ultrasound
is
valuable
in
the
diagnosis
of
extrahepatic
obstructive
jaundice
.
It
may
be
applied
frequently
in
non-contraindicated
and
complication-free
patients
.
However
,
the
diagnostic
accuracy
is
closely
correlated
with
inspector
experiences
,
operative
techniques
and
patient
conditions
.
Diseases
Validation
Diseases presenting
"jaundice"
symptom
alpha-thalassemia
benign recurrent intrahepatic cholestasis
carcinoma of the gallbladder
cholangiocarcinoma
congenital toxoplasmosis
erythropoietic protoporphyria
esophageal carcinoma
homocystinuria without methylmalonic aciduria
megacystis-microcolon-intestinal hypoperistalsis syndrome
neonatal adrenoleukodystrophy
oculocutaneous albinism
phenylketonuria
scrub typhus
typhoid
von hippel-lindau disease
This symptom has already been validated