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A random Abstract
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Phase-contrast X-ray CT imaging of esophagus and esophageal carcinoma.
[esophageal carcinoma]
The
electron
density
resolution
is
1000
times
higher
for
synchrotron-radiation
phase-contrast
CT
imaging
than
conventional
X-
ray
absorption
imaging
in
light
elements
,
with
which
high
-resolution
X-
ray
imaging
of
biological
soft
tissue
can
be
achieved
.
In
the
present
study
,
we
used
phase-contrast
X-
ray
CT
to
investigate
human
resected
esophagus
and
esophageal
carcinoma
specimens
.
This
technology
revealed
the
three
-layer
structure
of
the
esophageal
wall--
mucous
,
submucosa
and
muscular
layers
.
The
mucous
and
muscular
layers
were
clearly
separated
by
a
loose
submucosa
layer
with
a
honeycomb
appearance
.
The
surface
of
the
mucous
layer
was
smooth
.
In
esophageal
carcinoma
,
because
of
tumor
tissue
infiltration
,
the
submucosa
layer
was
absent
,
which
indicated
destruction
of
the
submucosa
.
The
boundary
between
normal
tissue
and
tumor
was
comparatively
fuzzy
,
the
three
-layer
structure
of
the
esophageal
wall
was
indistinct
.
The
surface
of
the
mucous
layer
was
rugose
.
The
technology
might
be
helpful
in
tumor
staging
of
esophageal
carcinoma
.
Diseases
Validation
Diseases presenting
"biological soft tissue"
symptom
esophageal carcinoma
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