Diagnostics,
Journal Year:
2024,
Volume and Issue:
14(2), P. 152 - 152
Published: Jan. 9, 2024
Purpose:
We
aimed
to
assess
the
efficacy
of
machine
learning
and
radiomics
analysis
using
magnetic
resonance
imaging
(MRI)
with
a
hepatospecific
contrast
agent,
in
pre-surgical
setting,
predict
tumor
budding
liver
metastases.
Methods:
Patients
MRI
setting
were
retrospectively
enrolled.
Manual
segmentation
was
made
by
means
3D
Slicer
image
computing,
851
features
extracted
as
median
values
PyRadiomics
Python
package.
Balancing
performed
inter-
intraclass
correlation
coefficients
calculated
between
observer
within
reproducibility
all
features.
A
Wilcoxon–Mann–Whitney
nonparametric
test
receiver
operating
characteristics
(ROC)
carried
out.
feature
selection
procedures
performed.
Linear
non-logistic
regression
models
(LRM
NLRM)
different
learning-based
classifiers
including
decision
tree
(DT),
k-nearest
neighbor
(KNN)
support
vector
(SVM)
considered.
Results:
The
internal
training
set
included
49
patients
119
validation
cohort
consisted
total
28
single
lesion
patients.
best
predictor
classify
original_glcm_Idn
obtained
T1-W
VIBE
sequence
arterial
phase
an
accuracy
84%;
wavelet_LLH_firstorder_10Percentile
portal
92%;
wavelet_HHL_glcm_MaximumProbability
hepatobiliary
excretion
88%;
wavelet_LLH_glcm_Imc1
T2-W
SPACE
sequences
88%.
Considering
linear
analysis,
statistically
significant
increase
96%
weighted
combination
13
radiomic
from
phase.
Moreover,
classifier
KNN
trained
sequence,
obtaining
95%
AUC
0.96.
reached
94%,
sensitivity
86%
specificity
95%.
Conclusions:
Machine
are
promising
tools
predicting
budding.
there
compared
feature.
Current Oncology,
Journal Year:
2024,
Volume and Issue:
31(1), P. 403 - 424
Published: Jan. 10, 2024
The
aim
of
this
informative
review
was
to
investigate
the
application
radiomics
in
cancer
imaging
and
summarize
results
recent
studies
support
oncological
with
particular
attention
breast
cancer,
rectal
primitive
secondary
liver
cancer.
This
also
aims
provide
main
findings,
challenges
limitations
current
methodologies.
Clinical
published
last
four
years
(2019–2022)
were
included
review.
Among
19
analyzed,
none
assessed
differences
between
scanners
vendor-dependent
characteristics,
collected
images
individuals
at
additional
points
time,
performed
calibration
statistics,
represented
a
prospective
study
registered
database,
conducted
cost-effectiveness
analysis,
reported
on
clinical
application,
or
multivariable
analysis
non-radiomics
features.
Seven
reached
high
radiomic
quality
score
(RQS),
seventeen
earned
by
using
validation
steps
considering
two
datasets
from
distinct
institutes
open
science
data
domains
(radiomics
features
calculated
set
representative
ROIs
are
source).
potential
is
increasingly
establishing
itself,
even
if
there
still
several
aspects
be
evaluated
before
passage
into
routine
practice.
There
challenges,
including
need
for
standardization
across
all
stages
workflow
cross-site
real-world
heterogeneous
datasets.
Moreover,
multiple
centers
more
samples
that
add
inter-scanner
characteristics
will
needed
future,
as
well
collecting
time
points,
reporting
statistics
performing
database.
Biomarker Research,
Journal Year:
2024,
Volume and Issue:
12(1)
Published: Jan. 25, 2024
Abstract
Background
Accurate
prediction
of
tumor
molecular
alterations
is
vital
for
optimizing
cancer
treatment.
Traditional
tissue-based
approaches
encounter
limitations
due
to
invasiveness,
heterogeneity,
and
dynamic
changes.
We
aim
develop
validate
a
deep
learning
radiomics
framework
obtain
imaging
features
that
reflect
various
changes,
aiding
first-line
treatment
decisions
patients.
Methods
conducted
retrospective
study
involving
508
NSCLC
patients
from
three
institutions,
incorporating
CT
images
clinicopathologic
data.
Two
radiomic
scores
network
feature
were
constructed
on
data
sources
in
the
3D
region.
Using
these
features,
we
developed
validated
‘Deep-RadScore,’
model
predict
prognostic
factors,
gene
mutations,
immune
molecule
expression
levels.
Findings
The
Deep-RadScore
exhibits
strong
discrimination
features.
In
independent
test
cohort,
it
achieved
impressive
AUCs:
0.889
lymphovascular
invasion,
0.903
pleural
0.894
T
staging;
0.884
EGFR
ALK,
0.896
KRAS
PIK3CA,
TP53,
0.895
ROS1;
0.893
PD-1/PD-L1.
Fusing
yielded
optimal
predictive
power,
surpassing
any
single
feature.
Correlation
interpretability
analyses
confirmed
effectiveness
customized
capturing
additional
phenotypes
beyond
known
Interpretation
This
proof-of-concept
demonstrates
new
biomarkers
across
can
be
provided
by
fusing
multiple
sources.
holds
potential
offer
valuable
insights
radiological
phenotyping
characterizing
diverse
alterations,
thereby
advancing
pursuit
non-invasive
personalized
Diagnostics,
Journal Year:
2022,
Volume and Issue:
12(5), P. 1115 - 1115
Published: April 29, 2022
To
assess
Radiomics
and
Machine
Learning
Analysis
in
Liver
Colon
Rectal
Cancer
Metastases
(CRLM)
Growth
Pattern,
we
evaluated,
retrospectively,
a
training
set
of
51
patients
with
121
liver
metastases
an
external
validation
30
single
lesion.
All
were
subjected
to
MRI
studies
pre-surgical
setting.
For
each
segmented
volume
interest
(VOI),
851
radiomics
features
extracted
using
PyRadiomics
package.
Nonparametric
test,
univariate,
linear
regression
analysis
patter
recognition
approaches
performed.
The
best
results
discriminate
expansive
versus
infiltrative
front
tumor
growth
the
highest
accuracy
AUC
at
univariate
obtained
by
wavelet_LHH_glrlm_ShortRunLowGray
Level
Emphasis
from
portal
phase
contrast
study.
With
regard
model,
this
increased
performance
respect
for
sequence
except
that
EOB-phase
sequence.
model
15
significant
T2-W
SPACE
Furthermore,
pattern
approaches,
diagnostic
again
classifier
was
weighted
KNN
trained
9
metrics
study,
92%
on
91%
set.
In
present
have
demonstrated
as
Analysis,
based
EOB-MRI
allow
identify
several
biomarkers
permit
recognise
different
Patterns
CRLM.
Diagnostics,
Journal Year:
2023,
Volume and Issue:
13(5), P. 980 - 980
Published: March 4, 2023
Breast
ultrasound
(US)
has
undergone
dramatic
technological
improvement
through
recent
decades,
moving
from
a
low
spatial
resolution,
grayscale-limited
technique
to
highly
performing,
multiparametric
modality.
In
this
review,
we
first
focus
on
the
spectrum
of
technical
tools
that
have
become
commercially
available,
including
new
microvasculature
imaging
modalities,
high-frequency
transducers,
extended
field-of-view
scanning,
elastography,
contrast-enhanced
US,
MicroPure,
3D
automated
S-Detect,
nomograms,
images
fusion,
and
virtual
navigation.
subsequent
section,
discuss
broadened
current
application
US
in
breast
clinical
scenarios,
distinguishing
among
primary
complementary
second-look
US.
Finally,
mention
still
ongoing
limitations
challenging
aspects
Diagnostics,
Journal Year:
2023,
Volume and Issue:
13(8), P. 1488 - 1488
Published: April 20, 2023
Background:
This
paper
offers
an
assessment
of
radiomics
tools
in
the
evaluation
intrahepatic
cholangiocarcinoma.
Methods:
The
PubMed
database
was
searched
for
papers
published
English
language
no
earlier
than
October
2022.
Results:
We
found
236
studies,
and
37
satisfied
our
research
criteria.
Several
studies
addressed
multidisciplinary
topics,
especially
diagnosis,
prognosis,
response
to
therapy,
prediction
staging
(TNM)
or
pathomorphological
patterns.
In
this
review,
we
have
covered
diagnostic
developed
through
machine
learning,
deep
neural
network
recurrence
biological
characteristics.
majority
were
retrospective.
Conclusions:
It
is
possible
conclude
that
many
performing
models
been
make
differential
diagnosis
easier
radiologists
predict
genomic
However,
all
retrospective,
lacking
further
external
validation
prospective
multicentric
cohorts.
Furthermore,
expression
results
should
be
standardized
automatized
applicable
clinical
practice.
World Journal of Gastroenterology,
Journal Year:
2023,
Volume and Issue:
29(36), P. 5180 - 5197
Published: Sept. 20, 2023
The
liver
is
one
of
the
organs
most
commonly
involved
in
metastatic
disease,
especially
due
to
its
unique
vascularization.
It’s
well
known
that
metastases
represent
common
hepatic
malignant
tumors.
From
a
practical
point
view,
it’s
utmost
importance
evaluate
presence
when
staging
oncologic
patients,
select
best
treatment
possible,
and
finally
predict
overall
prognosis.
In
past
few
years,
imaging
techniques
have
gained
central
role
identifying
metastases,
thanks
ultrasonography,
contrast-enhanced
computed
tomography
(CT),
magnetic
resonance
(MRI).
All
these
techniques,
CT
MRI,
can
be
considered
non-invasive
reference
standard
for
assessment
involvement
by
metastases.
On
other
hand,
affected
different
focal
lesions,
sometimes
benign,
malignant.
bases,
radiologists
should
face
differential
diagnosis
between
benign
secondary
lesions
correctly
allocate
patients
management.
Considering
above-mentioned
principles,
extremely
important
underline
refresh
broad
spectrum
features
occur
everyday
clinical
practice.
This
review
aims
summarize
with
special
focus
on
typical
atypical
appearance,
using
MRI.
Diagnostics,
Journal Year:
2023,
Volume and Issue:
13(2), P. 209 - 209
Published: Jan. 5, 2023
The
aim
of
the
study
was
to
analyse
papers
describing
use
Electrochemotherapy
(ECT)
in
local
treatment
primary
and
secondary
liver
tumours
located
at
different
sites
with
histologies.
Other
Local
Ablative
Therapies
(LAT)
are
also
discussed.
Analyses
these
demonstrate
that
ECT
is
safe
effective
lesions
large
size,
independently
histology
treated
lesions.
performed
better
than
other
thermal
ablation
techniques
>
6
cm
size
can
be
safely
used
treat
distant,
close,
or
adjacent
vital
structures.
spares
vessel
bile
ducts,
repeatable,
between
chemotherapeutic
cycles.
fill
gap
ablative
therapies
due
being
too
localized
highly
challenging
anatomical
sites.