Journal of Digital Imaging,
Journal Year:
2023,
Volume and Issue:
36(3), P. 1038 - 1048
Published: Feb. 27, 2023
Advanced
imaging
and
analysis
improve
prediction
of
pathology
data
outcomes
in
several
tumors,
with
entropy-based
measures
being
among
the
most
promising
biomarkers.
However,
entropy
is
often
perceived
as
statistical
lacking
clinical
significance.
We
aimed
to
generate
a
voxel-by-voxel
visual
map
local
tumor
entropy,
thus
allowing
(1)
make
explainable
accessible
clinicians;
(2)
disclose
quantitively
characterize
any
intra-tumoral
heterogeneity;
(3)
evaluate
associations
between
data.
analyzed
portal
phase
preoperative
CT
20
patients
undergoing
liver
surgery
for
colorectal
metastases.
A
three-dimensional
core
kernel
(5
×
5
voxels)
was
created
used
compute
value
each
voxel
tumor.
The
encoded
color
palette.
performed
two
analyses:
(a)
qualitative
assessment
tumors'
detectability
pattern
distribution;
(b)
quantitative
values
distribution.
latter
were
compared
standard
Hounsfield
predictors
post-chemotherapy
regression
grade
(TRG).
Entropy
maps
successfully
built
all
tumors.
Metastases
qualitatively
hyper-entropic
surrounding
parenchyma.
In
four
cases
areas
exceeded
margin
visible
at
CT.
identified
"entropic"
patterns:
homogeneous,
inhomogeneous,
peripheral
rim,
mixed.
At
analysis,
entropy-derived
(percentiles/mean/median/root
mean
square)
predicted
TRG
(p
<
0.05)
better
than
Hounsfield-derived
ones
=
n.s.).
present
standardized
technique
visualize
heterogeneity
on
assessment.
association
supports
its
role
biomarker.
European Radiology,
Journal Year:
2022,
Volume and Issue:
33(3), P. 1884 - 1894
Published: Oct. 25, 2022
The
main
aim
of
the
present
systematic
review
was
a
comprehensive
overview
Radiomics
Quality
Score
(RQS)-based
reviews
to
highlight
common
issues
and
challenges
radiomics
research
application
evaluate
relationship
between
RQS
features.
Computers in Biology and Medicine,
Journal Year:
2024,
Volume and Issue:
173, P. 108337 - 108337
Published: March 24, 2024
Hepatocellular
carcinoma
(HCC)
is
the
most
common
type
of
primary
liver
cancer,
with
an
increasing
incidence
and
poor
prognosis.
In
past
decade,
artificial
intelligence
(AI)
technology
has
undergone
rapid
development
in
field
clinical
medicine,
bringing
advantages
efficient
data
processing
accurate
model
construction.
Promisingly,
AI-based
radiomics
played
increasingly
important
role
decision-making
HCC
patients,
providing
new
technical
guarantees
for
prediction,
diagnosis,
prognostication.
this
review,
we
evaluated
current
landscape
AI
management
HCC,
including
its
individual
treatment,
survival
Furthermore,
discussed
remaining
challenges
future
perspectives
regarding
application
HCC.
JHEP Reports,
Journal Year:
2022,
Volume and Issue:
4(8), P. 100498 - 100498
Published: May 14, 2022
Hepatocellular
carcinoma
(HCC)
accounts
for
90%
of
liver
tumours
and
is
one
the
leading
causes
mortality.
Cirrhosis
due
to
viral
hepatitis,
alcohol
or
steatohepatitis
major
risk
factor,
while
dysfunction
cirrhosis
a
deciding
factor
in
its
treatment.
The
treatment
modalities
HCC
include
transplant,
hepatectomy,
radiofrequency
ablation,
transarterial
chemoembolisation,
radioembolisation,
targeted
therapy,
immunotherapy,
radiation
therapy.
role
therapy
has
been
refined
with
increasing
use
stereotactic
body
(SBRT).
Trials
over
past
two
decades
have
shown
efficacy
safety
SBRT
recurrent
definitive
HCC,
acceptance
adoption
some
more
recent
guidelines.
However,
high
quality
level
I
evidence
supporting
currently
lacking.
Smaller
randomised
trials
external
beam
suggest
compared
other
treatments
patients
unresectable
phase
III
comparing
are
ongoing.
In
this
review,
we
discuss
rationale
present
on
efficacy,
associated
toxicity,
technological
advances.
Clinical Cancer Research,
Journal Year:
2023,
Volume and Issue:
29(9), P. 1730 - 1740
Published: Feb. 14, 2023
Abstract
Purpose:
We
aimed
to
construct
machine
learning
(ML)
radiomics
models
predict
response
lenvatinib
monotherapy
for
unresectable
hepatocellular
carcinoma
(HCC).
Experimental
Design:
Patients
with
HCC
receiving
at
three
institutions
were
retrospectively
identified
and
assigned
training
external
validation
cohorts.
Tumor
after
initiation
of
was
evaluated.
Radiomics
features
extracted
from
contrast-enhanced
CT
images.
The
K-means
clustering
algorithm
used
distinguish
radiomics-based
subtypes.
Ten
ML
constructed
internally
validated
by
10-fold
cross-validation.
These
subsequently
verified
in
an
cohort.
Results:
A
total
109
patients
analysis,
namely,
74
the
cohort
35
Thirty-two
showed
partial
response,
33
stable
disease,
44
progressive
disease.
overall
rate
(ORR)
29.4%,
disease
control
59.6%.
224
extracted,
25
significant
further
analysis.
Two
distant
subtypes
clustering,
subtype
1
associated
a
higher
ORR
longer
progression-free
survival
(PFS).
Among
10
algorithms,
AutoGluon
displayed
highest
predictive
performance
(AUC
=
0.97),
which
relatively
0.93).
Kaplan–Meier
analysis
that
responders
had
better
[HR
0.21;
95%
confidence
interval
(CI):
0.12–0.36;
P
<
0.001]
PFS
(HR
0.14;
CI:
0.09–0.22;
0.001)
than
nonresponders.
Conclusions:
Valuable
constructed,
favorable
predicting
HCC.
iLiver,
Journal Year:
2024,
Volume and Issue:
3(1), P. 100083 - 100083
Published: Feb. 9, 2024
Hepatocellular
carcinoma
(HCC)
is
a
prevalent
malignancy
worldwide,
ranking
as
the
sixth
most
common
and
third
leading
cause
of
cancer-related
mortality.
Late
diagnosis,
limited
management
options,
its
complex
etiology
contribute
to
poor
prognosis
high
mortality
rates.
Recent
advances
in
understanding
molecular
mechanisms
HCC
innovations
high-throughput
sequencing
technologies
have
led
development
diagnostics
personalized
therapies
for
this
challenging
malignancy.
This
review
provides
comprehensive
overview
research
on
diagnosis
individualized
treatment
HCC.
We
highlight
key
potential
future
directions
discuss
application
next-generation
identify
characterize
genetic
epigenetic
alterations
patients.
These
may
aid
selection
targeted
therapies,
prediction
response,
monitoring
disease
progression.
Furthermore,
we
explore
role
liquid
biopsy
prediction,
monitoring,
focusing
circulating
tumor
cells,
DNA,
extracellular
vesicles.
also
evolving
landscape
therapy
HCC,
including
against
oncogenic
signaling
pathways,
immune
checkpoint
inhibitors,
tumor-agnostic
innovative
cell-based
therapies.
challenges
opportunities
that
lie
ahead
quest
improve
patient
outcomes
through
integration
precision
emphasize
need
multi-interdisciplinary
collaboration,
refinement
predictive
prognostic
biomarkers,
more
effective
combination
strategies
new
area
medicine.
Cancer Imaging,
Journal Year:
2024,
Volume and Issue:
24(1)
Published: Jan. 26, 2024
Abstract
Background
&
aims
The
present
study
utilized
extracted
computed
tomography
radiomics
features
to
classify
the
gross
tumor
volume
and
normal
liver
tissue
in
hepatocellular
carcinoma
by
mainstream
machine
learning
methods,
aiming
establish
an
automatic
classification
model.
Methods
We
recruited
104
pathologically
confirmed
patients
for
this
study.
GTV
samples
were
manually
segmented
into
regions
of
interest
randomly
divided
five-fold
cross-validation
groups.
Dimensionality
reduction
using
LASSO
regression.
Radiomics
models
constructed
via
logistic
regression,
support
vector
(SVM),
random
forest,
Xgboost,
Adaboost
algorithms.
diagnostic
efficacy,
discrimination,
calibration
algorithms
verified
area
under
receiver
operating
characteristic
curve
(AUC)
analyses
plot
comparison.
Results
Seven
screened
excelled
at
distinguishing
area.
Xgboost
algorithm
had
best
discrimination
comprehensive
performance
with
AUC
0.9975
[95%
confidence
interval
(CI):
0.9973–0.9978]
mean
MCC
0.9369.
SVM
second
0.9846
(95%
CI:
0.9835–
0.9857),
Matthews
correlation
coefficient
(MCC)of
0.9105,
a
better
calibration.
All
other
showed
excellent
ability
distinguish
between
(mean
0.9825,
0.9861,0.9727,0.9644
Adaboost,
naivem
Bayes
respectively).
Conclusion
CT
based
on
can
accurately
tissue,
while
served
as
complementary