Cancers,
Journal Year:
2025,
Volume and Issue:
17(9), P. 1520 - 1520
Published: April 30, 2025
(1)
Background:
Neoadjuvant
chemotherapy
(NAC)
is
an
integral
part
of
breast
cancer
management,
and
response
to
NAC
important
prognostic
factor
associated
with
improved
survival
outcomes.
However,
the
current
standard
for
assessment
relies
on
post-surgical
histopathological
analysis,
which
limits
early
therapeutic
decision-making
treatment
personalization.
This
study
aimed
develop
evaluate
a
machine
learning
model
that
integrates
pre-treatment
MRI
radiomics
clinical
features
predict
in
patients.
(2)
Methods:
In
this
study,
was
developed
using
magnetic
resonance
imaging
(MRI)
data.
Radiomic
were
extracted
from
contrast-enhanced
T1-weighted
(CE-T1)
T2-weighted
(T2)
sequences
both
intratumoral
peritumoral
segmentations.
Furthermore,
uniquely
examined
two
criteria:
pathologic
complete
(pCR)
versus
non-pCR,
non-response.
A
total
254
patients
biopsy-confirmed
who
completed
included.
(n
=
400)
7)
analyzed
build
predictive
employing
XGBoost
classifier.
Performance
measured
terms
accuracy,
precision,
sensitivity,
specificity,
F1-score,
AUC.
(3)
Results:
The
integration
radiomic
data
significantly
enhanced
performance.
For
pCR
non-pCR
prediction,
combined
achieved
accuracy
80%
AUC
0.85,
outperforming
(Accuracy
68%,
0.81)
66%,
0.60).
Similarly,
non-response
Accuracy
74%
0.75,
63%,
0.68)
0.57).
(4)
Conclusions:
These
findings
highlight
synergistic
effect
integrating
MRI-based
improve
has
potential
enable
more
precise
personalized
strategies.
International Journal of Surgery,
Journal Year:
2024,
Volume and Issue:
110(4), P. 2162 - 2177
Published: Jan. 11, 2024
Background:
Axillary
lymph
nodes
(ALN)
status
serves
as
a
crucial
prognostic
indicator
in
breast
cancer
(BC).
The
aim
of
this
study
was
to
construct
radiogenomic
multimodal
model,
based
on
machine
learning
and
whole-transcriptome
sequencing
(WTS),
accurately
evaluate
the
risk
ALN
metastasis
(ALNM),
drug
therapeutic
response
avoid
unnecessary
axillary
surgery
BC
patients.
Methods:
In
study,
conducted
retrospective
analysis
1078
patients
from
Cancer
Genome
Atlas
(TCGA),
Imaging
Archive
(TCIA),
Foshan
cohort.
These
were
divided
into
TCIA
cohort
(
N
=103),
validation
=51),
Duke
=138),
=106),
TCGA
=680).
Radiological
features
extracted
radiological
images
differentially
expressed
gene
expression
calibrated
using
technology.
A
support
vector
model
employed
screen
genetic
features,
established
clinical
pathological
predict
ALNM.
accuracy
predictions
assessed
area
under
curve
(AUC)
benefit
measured
decision
analysis.
Risk
stratification
performed
by
set
enrichment
analysis,
differential
comparison
immune
checkpoint
expression,
sensitivity
testing.
Results:
For
prediction
ALNM,
rad-score
able
significantly
differentiate
between
ALN-
ALN+
both
cohorts
P
<0.05).
Similarly,
gene-score
nomogram
demonstrated
satisfactory
performance
(AUC
0.82,
95%
CI:
0.74–0.91)
0.77,
0.63–0.91).
sub-stratification
there
significant
differences
pathway
high
low-risk
groups
Additionally,
different
may
exhibit
varying
treatment
responses
Conclusion:
Overall,
employs
data,
including
images,
genetic,
clinicopathological
typing.
can
precisely
ALNM
Current Oncology,
Journal Year:
2021,
Volume and Issue:
28(4), P. 2351 - 2372
Published: June 25, 2021
Radiomics
is
an
emerging
translational
field
of
medicine
based
on
the
extraction
high-dimensional
data
from
radiological
images,
with
purpose
to
reach
reliable
models
be
applied
into
clinical
practice
for
purposes
diagnosis,
prognosis
and
evaluation
disease
response
treatment.
We
aim
provide
basic
information
radiomics
radiologists
clinicians
who
are
focused
breast
cancer
care,
encouraging
cooperation
scientists
mine
a
better
application
in
practice.
investigate
workflow
as
well
outlook
challenges
recent
studies.
Currently,
has
potential
ability
distinguish
between
benign
malignant
lesions,
predict
cancer's
molecular
subtypes,
neoadjuvant
chemotherapy
lymph
node
metastases.
Even
though
been
used
tumor
diagnosis
prognosis,
it
still
research
phase
some
need
faced
obtain
translation.
In
this
review,
we
discuss
current
limitations
promises
improvement
further
research.
Academic Radiology,
Journal Year:
2021,
Volume and Issue:
29(6), P. 830 - 840
Published: Sept. 29, 2021
To
develop
and
validate
a
radiomic
model,
with
features
extracted
from
breast
Dynamic
Contrast-Enhanced
Magnetic
Resonance
Imaging
(DCE-MRI)
1.5T
scanner,
for
predicting
the
malignancy
of
masses
enhancement.
Images
were
acquired
using
an
8-channel
coil
in
axial
plane.
The
rationale
behind
this
study
is
to
show
feasibility
radiomics-powered
model
that
could
be
integrated
into
clinical
practice
by
exploiting
only
standard-of-care
DCE-MRI
goal
reducing
required
image
pre-processing
(ie,
normalization
quantitative
imaging
map
generation).107
manually
annotated
dataset
111
patients,
which
was
split
discovery
test
sets.
A
feature
calibration
step
performed
find
robust
non-redundant
features.
An
in-depth
analysis
define
predictive
model:
purpose,
Support
Vector
Machine
(SVM)
trained
nested
5-fold
cross-validation
scheme,
several
unsupervised
selection
methods.
performance
evaluated
terms
Area
Under
Receiver
Operating
Characteristic
(AUROC),
specificity,
sensitivity,
PPV
NPV.
on
unseen
held-out
data.The
combining
Unsupervised
Discriminative
Feature
Selection
(UDFS)
SVMs
average
achieved
best
blinded
set:
AUROC
=
0.725±0.091,
sensitivity
0.709±0.176,
specificity
0.741±0.114,
0.72±0.093,
NPV
0.75±0.114.In
study,
we
built
based
DCE-MRI,
strongest
enhancement
phase,
promising
results
accuracy
differentiation
malignant
benign
lesions.
Frontiers in Oncology,
Journal Year:
2022,
Volume and Issue:
12
Published: March 10, 2022
To
compare
the
performances
of
deep
learning
(DL)
to
radiomics
analysis
(RA)
in
predicting
pathological
complete
response
(pCR)
neoadjuvant
chemotherapy
(NAC)
based
on
pretreatment
dynamic
contrast-enhanced
MRI
(DCE-MRI)
breast
cancer.This
retrospective
study
included
356
cancer
patients
who
underwent
DCE-MRI
before
NAC
and
surgery
after
NAC.
Image
features
kinetic
parameters
tumors
were
derived
from
DCE-MRI.
Molecular
information
was
assessed
immunohistochemistry
results.
The
image-based
RA
DL
models
constructed
by
adding
or
molecular
image-only
linear
discriminant
(LDA)
convolutional
neural
network
(CNN)
models.
predictive
developed
receiver
operating
characteristic
(ROC)
curve
compared
with
DeLong
method.The
overall
pCR
rate
23.3%
(83/356).
area
under
ROC
(AUROC)
image-kinetic-molecular
model
0.781
[95%
confidence
interval
(CI):
0.735,
0.828],
which
higher
than
that
image-kinetic
(0.629,
95%
CI:
0.595,
0.663;
P
<
0.001)
comparable
image-molecular
(0.755,
0.708,
0.802;
=
0.133).
AUROC
0.83
(95%
0.816,
0.847),
(0.707,
0.654,
0.761;
0.79,
0.768,
0.812;
(0.778,
0.828;
0.001).The
DCE-MRI-based
is
superior
patients.
has
best
prediction
performance.
Diagnostics,
Journal Year:
2021,
Volume and Issue:
11(10), P. 1796 - 1796
Published: Sept. 29, 2021
The
evaluation
of
the
efficacy
different
therapies
is
paramount
importance
for
patients
and
clinicians
in
oncology,
it
usually
possible
by
performing
imaging
investigations
that
are
interpreted,
taking
consideration
response
criteria.
In
last
decade,
texture
analysis
(TA)
has
been
developed
order
to
help
radiologist
quantify
identify
parameters
related
tumor
heterogeneity,
which
cannot
be
appreciated
naked
eye,
can
correlated
with
endpoints,
including
cancer
prognosis.
aim
this
work
analyze
impact
prediction
prognosis
stratification
into
pathologies
(lung
cancer,
breast
gastric
hepatic
rectal
cancer).
Key
references
were
derived
from
a
PubMed
query.
Hand
searching
clinicaltrials.gov
also
used.
This
paper
contains
narrative
report
critical
discussion
radiomics
approaches
fields
diseases.