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Port site and distant metastases of gallbladder cancer after laparoscopic cholecystectomy diagnosed by positron emission tomography.
[carcinoma of the gallbladder]
We
report
port
site
and
distant
metastases
of
unsuspected
gallbladder
cancer
after
laparoscopic
cholecystectomy
diagnosed
by
positron
emission
tomography
(
PET
)
in
two
patients
.
Patient
1
,
a
72
-
year
-old
woman
was
diagnosed
as
cholelithiasis
and
cholecystitis
and
received
laparoscopic
cholecystectomy
.
Unsuspected
gallbladder
cancer
was
discovered
with
histological
result
of
well-differentiated
squamous
cell
carcinoma
of
the
gallbladder
infiltrating
the
entire
wall
.
A
PET
scan
using
F-
18
-
fluorodeoxyglucose
(
FDG-PET
)
before
radical
resection
revealed
residual
tumor
in
the
gallbladder
fossa
and
recurrence
at
port
site
and
metastases
in
bilateral
hilar
lymph
nodes
.
Patient
2
,
a
69
-
year
-old
woman
underwent
laparoscopic
cholecystectomy
more
than
one
year
ago
with
pathologically
confirmed
unsuspected
adenosquamous
carcinoma
of
stage
pT
1
b
.
At
7
-
mo
follow-up
after
surgery
,
the
patient
presented
with
nodules
in
the
periumbilical
incision
.
Excisional
biopsy
of
the
nodule
revealed
adenosquamous
carcinoma
.
The
patient
was
examined
by
FDG-PET
,
demonstrating
increased
FDG
uptake
in
the
right
lobe
of
the
liver
and
mediastinal
lymph
nodes
consistent
with
metastatic
disease
.
This
report
is
followed
by
a
discussion
about
the
utility
of
FDG-PET
in
the
gallbladder
cancer
.
Diseases
Validation
Diseases presenting
"right lobe of the liver"
symptom
carcinoma of the gallbladder
congenital diaphragmatic hernia
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