Differentiation of Hamartomas and Malignant Lung Tumors in Single-Phased Dual-Energy Computed Tomography
Tomography,
Journal Year:
2024,
Volume and Issue:
10(2), P. 255 - 265
Published: Feb. 11, 2024
This
study
investigated
the
efficacy
of
single-phase
dual-energy
CT
(DECT)
in
differentiating
pulmonary
hamartomas
from
malignant
lung
lesions
using
virtual
non-contrast
(VNC),
iodine,
and
fat
quantification.
Forty-six
patients
with
47
(mean
age:
65.2
±
12.1
years;
hamartomas-to-malignant
=
22:25;
male:
67%)
underwent
portal
venous
DECT
histology,
PET-CT
follow-up
CTs
as
a
reference.
Quantitative
parameters
such
VNC,
fraction,
iodine
density
mixed
values
were
statistically
analyzed.
Significant
differences
found
fractions
(hamartomas:
48.9%;
malignancies:
22.9%;
p
≤
0.0001)
VNC
HU
−20.5
HU;
17.8
0.0001),
having
higher
content
lower
than
malignancies.
also
differed
significantly
(p
but
showed
no
significant
differences.
ROC
analysis
favored
fraction
(AUC
96.4%;
sensitivity:
100%)
over
value
for
differentiation.
The
concludes
that
DECT-based
is
superior
to
single-energy
between
incidental
lesions,
while
post-contrast
ineffective
Language: Английский
The Role of DECT in Emergency Radiology: A Visual Guide to Advanced Diagnostics
Clinical Radiology,
Journal Year:
2025,
Volume and Issue:
83, P. 106836 - 106836
Published: Feb. 1, 2025
Language: Английский
Role of computed tomography in renal mass assessment: A comprehensive review of techniques and diagnostic accuracy
Multidisciplinary Reviews,
Journal Year:
2025,
Volume and Issue:
8(8), P. 2025246 - 2025246
Published: March 7, 2025
Renal
masses
represent
a
heterogeneous
group
of
lesions
ranging
from
benign
cysts
to
aggressive
malignancies,
with
the
accurate
assessment
these
being
critical
for
appropriate
clinical
management.
Computed
tomography
(CT)
has
emerged
as
pivotal
imaging
modality
evaluating
renal
because
its
high
spatial
resolution,
rapid
capabilities,
and
ability
provide
detailed
anatomical
functional
information.
This
comprehensive
review
aims
elucidate
role
CT
in
masses,
highlighting
diagnostic
accuracy,
techniques,
applications.
Various
protocols,
including
noncontrast,
arterial,
nephrographic,
excretory
phases,
are
discussed
detail,
emphasizing
their
utility
differentiating
between
malignant
staging
tumors.
Advanced
such
dual-energy
perfusion
imaging,
have
also
been
explored
potential
increase
precision
additional
data.
further
examines
comparative
effectiveness
other
modalities,
ultrasound
MRI,
discusses
advantages
limitations
different
scenarios.
While
remains
gold
standard
mass
evaluation,
challenges
radiation
exposure
contrast-induced
nephropathy
require
careful
consideration,
emerging
innovations
AI
integration
novel
contrast
agents
hold
promise
future
advancements.
In
conclusion,
is
an
invaluable
tool
characterization,
staging,
follow-up
contributing
significantly
personalized
patient
management
improved
outcomes.
Further
research
technological
advancements
essential
optimize
use
minimize
associated
risks.
Language: Английский
Dual-Layer Spectral Detector Computed Tomography Quantitative Parameters: A Potential Tool for Lymph Node Activity Determination in Lymphoma Patients
Hebing Chen,
No information about this author
Yuxiang Fang,
No information about this author
Jin Gu
No information about this author
et al.
Diagnostics,
Journal Year:
2024,
Volume and Issue:
14(2), P. 149 - 149
Published: Jan. 9, 2024
Dual-energy
CT
has
shown
promising
results
in
determining
tumor
characteristics
and
treatment
effectiveness
through
spectral
data
by
assessing
normalized
iodine
concentration
(nIC),
effective
atomic
number
(nZeff),
electron
density
(nED),
extracellular
volume
(ECV).
This
study
explores
the
value
of
quantitative
parameters
contrast-enhanced
dual-layer
detector
(SDCT)
as
a
potential
tool
for
detecting
lymph
node
activity
lymphoma
patients.
A
retrospective
analysis
55
patients
with
289
nodes,
assessed
Language: Английский