Review of the application of dual‐energy CT combined with radiomics in the diagnosis and analysis of lung cancer
Rongyu Zhang,
No information about this author
Hao Zheng,
No information about this author
Jie Lin
No information about this author
et al.
Journal of Applied Clinical Medical Physics,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 17, 2025
Abstract
Lung
cancer
is
one
of
the
most
common
malignant
tumors
in
world.
Early
detection
and
precise
treatment
are
great
significance
to
clinical
decision‐making
patient
prognosis.
As
an
emerging
imaging
technology,
dual‐energy
computed
tomography
(DECT)
has
increasingly
prominent
advantages
multi‐parameter
quantitative
analysis
assessing
benign
malignant,
classification,
prognosis
lung
cancer.
Radiomics
uses
automated
high‐throughput
method
extract
a
large
number
features
from
medical
images,
quantify
tumor
heterogeneity,
monitor
development
prognosis,
provide
new
ideas
for
diagnosis
identification
This
article
will
review
application
progress
DECT
post‐processing
technology
combined
with
radiomics
diagnosis,
identification,
biomarker
gene
prediction,
assessment.
Language: Английский
Fat quantification in dual-layer detector spectral CT: How to handle iron overload, varying tube voltage and radiation dose Indices
PLoS ONE,
Journal Year:
2024,
Volume and Issue:
19(5), P. e0302863 - e0302863
Published: May 23, 2024
Objectives
Opposed
to
other
spectral
CT
techniques,
fat
quantification
in
dual-layer
detector
(dlCT)
has
only
recently
been
developed.
The
impact
of
concomitant
iron
overload
and
dlCT-specific
protocol
settings
such
as
the
dose
right
index
(DRI),
a
measure
image
noise
tube
current,
on
dlCT
was
unclear.
Further,
information
became
newly
available
<120
kV.
Therefore,
this
study’s
objective
evaluate
iron,
changing
voltage,
DRI
quantification.
Material
methods
Phantoms
with
0
8mg/cm
3
iron;
5mg/cm
iodine;
0,
10,
20,
35,
50,
100%
liver
equivalent,
respectively,
were
scanned
(CT7500,
Philips,
Netherlands)
at
100kV/20DRI,
120kV/20DRI,
140kV/20DRI,
120kV/16DRI,
120kV/24DRI.
decomposition
done
for
fat,
liver,
iodine
(A1);
(A2);
combined
reference
values
(A3).
All
scans
analyzed
from
120kV/20DRI.
For
statistics,
intraclass
correlation
coefficient
(ICC)
Bland-Altman
analyses
used.
Results
In
phantoms
iodine,
results
best
A3
mean
deviation
phantom
1.3±2.6%
(ICC
0.999
[95%-confidence
interval
0.996–1]).
standard
approach
A1
yielded
-2.5±3.0%
(0.998[0.994–0.999]),
A2
6.1±4.8%
(0.991[0.974–0.997]).
With
maximal
difference
between
quantified
ground
truth
occurred
100kV
4.6±2.1%.
Differences
largest
140kV
(2.0%[-7.1–11.2]).
16
24
0.4%[-2.2–3.0].
Conclusion
presence
material
delivers
most
accurate
results.
Tube
voltage-specific
calibration
is
advisable
while
neglectable.
Language: Английский
Adult subpleural hamartoma of the chest wall: A case report
Chao Chen,
No information about this author
Dong Hu,
No information about this author
Yin Yang
No information about this author
et al.
Asian Journal of Surgery,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 1, 2024
Language: Английский
The diagnosis value of dual-energy computed tomography (DECT) multi-parameter imaging in lung adenocarcinoma and squamous cell carcinoma
BMC Pulmonary Medicine,
Journal Year:
2024,
Volume and Issue:
24(1)
Published: Oct. 30, 2024
Lung
cancer
continues
to
pose
a
serious
risk
human
health.
With
high
mortality
rate,
non-small
cell
lung
(NSCLC)
is
the
major
type
of
cancer,
making
up
85%
all
cases
cancer.
adenocarcinoma
(AC),
and
squamous
carcinoma
(SC)
are
two
primary
types
NSCLC.
Determining
pathological
NSCLC
important
in
establishing
most
effective
treatment
method.
Dual-energy
computed
tomography
(DECT)
multi-parameter
imaging
an
technology
that
provides
accurate
reliable
disease
diagnosis,
its
uses
utilized
for
combined
diagnostic
efficacy
AC
SC.
The
purpose
this
study
was
investigate
value
spectral
parameters
DECT
SC,
their
also
analyzed.
Language: Английский