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Characteristics and clinical significance of lymph node metastases near the recurrent laryngeal nerve from thoracic esophageal carcinoma.
[esophageal carcinoma]
This
study
aimed
to
evaluate
the
characteristics
of
lymph
node
(
LN
)
metastases
from
thoracic
esophageal
carcinoma
near
the
recurrent
laryngeal
nerve
and
the
influence
of
these
metastases
on
patient
prognosis
and
to
determine
the
reasonable
regional
LN
dissection
range
.
The
clinical
data
from
120
patients
who
underwent
resection
for
thoracic
esophageal
carcinoma
were
analyzed
retrospectively
.
LN
metastases
near
the
recurrent
laryngeal
nerve
were
detected
in
34
.
2
%
of
the
cases
,
and
the
metastasis
rates
in
the
left
and
right
LNs
near
the
recurrent
laryngeal
nerve
were
20
.
8
and
15
.
8
%
,
respectively
.
The
primary
tumor
site
(
metastasis
rates
for
esophageal
cancer
in
the
upper
thoracic
segment
vs
chest
or
lower
thoracic
segment
:
60
.
0
vs
40
.
3
or
15
.
8
%
,
respectively
;
P
<
0
.
01
)
,
tumor
differentiation
(
poorly
differentiated
vs
well
differentiated
or
differentiated
:
56
.
0
vs
22
.
0
or
35
.
6
%
,
respectively
;
P
<
0
.
05
)
,
and
tumor
invasion
depth
(
T
3
and
T
4
vs
T
1
and
T
2
:
42
.
9
and
50
.
0
%
vs
8
.
33
and
14
.
3
%
,
respectively
;
P
<
0
.
01
)
were
factors
that
significantly
influenced
LN
metastasis
near
the
recurrent
laryngeal
nerve
LN
metastases
near
the
recurrent
laryngeal
nerve
were
associated
with
cervical
LN
metastasis
.
The
3
-
year
survival
rate
of
patients
with
LN
metastasis
near
the
recurrent
laryngeal
nerve
was
much
lower
than
that
of
patients
with
other
LN
metastases
(
29
.
3
vs
58
.
2
%
;
P
<
0
.
05
)
.
In
thoracic
esophageal
carcinoma
cases
,
LNs
near
the
recurrent
laryngeal
nerve
should
be
resected
.
This
could
improve
the
patient
prognosis
and
reduce
the
incidence
of
postoperative
local
recurrence
.