Research Square (Research Square),
Journal Year:
2022,
Volume and Issue:
unknown
Published: Dec. 14, 2022
Abstract
Purpose:
Here,
we
investigate
radiomics-based
characterization
of
tumor
vascular
and
microenvironmental
properties
in
an
orthotopic
rat
brain
model
measured
using
dynamic-contrast-enhanced
(DCE)
MRI.
Methods:
Thirty-two
immune
compromised-RNU
rats
implanted
with
human
U-251N
cancer
cells
were
imaged
DCE-MRI
(7Tesla,
Dual-Gradient-Echo).
The
aim
was
to
perform
pharmacokinetic
analysis
a
nested
(NM)
selection
technique
classify
regions
according
vasculature
considered
as
the
source
truth.
A
two-dimensional
convolutional-based
radiomics
performed
on
raw-DCE-MRI
brains
generate
dynamic
maps.
respective
maps
used
build
28
unsupervised
Kohonen
self-organizing-maps
(K-SOMs).
Silhouette-Coefficient
(SC)
feature
engineering
analyses
spaces
K-SOMs
quantify
distinction
power
different
features
compared
for
classification
models.
Results:
Results
showed
that
eight
outperformed
prediction
three
average
percent
difference
SCs
between
was:
29.875%±12.922%,
p<0.001.
Conclusions:
This
work
establishes
important
first
step
toward
spatiotemporal
signatures,
which
is
fundamental
staging
tumors
evaluation
response
treatments.
Current Oncology,
Journal Year:
2023,
Volume and Issue:
30(3), P. 2673 - 2701
Published: Feb. 22, 2023
The
application
of
artificial
intelligence
(AI)
is
accelerating
the
paradigm
shift
towards
patient-tailored
brain
tumor
management,
achieving
optimal
onco-functional
balance
for
each
individual.
AI-based
models
can
positively
impact
different
stages
diagnostic
and
therapeutic
process.
Although
histological
investigation
will
remain
difficult
to
replace,
in
near
future
radiomic
approach
allow
a
complementary,
repeatable
non-invasive
characterization
lesion,
assisting
oncologists
neurosurgeons
selecting
best
option
correct
molecular
target
chemotherapy.
AI-driven
tools
are
already
playing
an
important
role
surgical
planning,
delimiting
extent
lesion
(segmentation)
its
relationships
with
structures,
thus
allowing
precision
surgery
as
radical
reasonably
acceptable
preserve
quality
life.
Finally,
AI-assisted
prediction
complications,
recurrences
response,
suggesting
most
appropriate
follow-up.
Looking
future,
AI-powered
promise
integrate
biochemical
clinical
data
stratify
risk
direct
patients
personalized
screening
protocols.
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.
British Journal of Radiology,
Journal Year:
2024,
Volume and Issue:
97(1156), P. 695 - 704
Published: Jan. 20, 2024
Abstract
Contrast-enhanced
mammography
(CEM)
is
an
emerging
breast
imaging
technology
with
promise
for
cancer
screening,
diagnosis,
and
procedural
guidance.
However,
best
uses
of
CEM
in
comparison
other
modalities
such
as
tomosynthesis,
ultrasound,
MRI
remain
inconclusive
many
clinical
settings.
This
review
article
summarizes
recent
peer-reviewed
literature,
emphasizing
retrospective
reviews,
prospective
trials,
meta-analyses
published
from
2020
to
2023.
The
intent
this
supplement
prior
comprehensive
reviews
summarize
the
current
state-of-the-art
CEM.
Cancers,
Journal Year:
2023,
Volume and Issue:
15(2), P. 351 - 351
Published: Jan. 5, 2023
Pancreatic
cancer
(PC)
is
one
of
the
deadliest
cancers,
and
it
responsible
for
a
number
deaths
almost
equal
to
its
incidence.
The
high
mortality
rate
correlated
with
several
explanations;
main
late
disease
stage
at
which
majority
patients
are
diagnosed.
Since
surgical
resection
has
been
recognised
as
only
curative
treatment,
PC
diagnosis
initial
believed
tool
improve
survival.
Therefore,
patient
stratification
according
familial
genetic
risk
creation
screening
protocol
by
using
minimally
invasive
diagnostic
tools
would
be
appropriate.
cystic
neoplasms
(PCNs)
subsets
lesions
deserve
special
management
avoid
overtreatment.
current
programs
based
on
annual
employment
magnetic
resonance
imaging
cholangiopancreatography
sequences
(MR/MRCP)
and/or
endoscopic
ultrasonography
(EUS).
For
unfit
MRI,
computed
tomography
(CT)
could
proposed,
although
CT
results
in
lower
detection
rates,
compared
small
lesions.
actual
major
limit
incapacity
detect
characterize
pancreatic
intraepithelial
neoplasia
(PanIN)
EUS
MR/MRCP.
possibility
utilizing
artificial
intelligence
models
evaluate
higher-risk
favour
these
entities,
more
data
needed
support
real
utility
applications
field
screening.
motives,
appropriate
realize
research
settings.
F1000Research,
Journal Year:
2024,
Volume and Issue:
13, P. 91 - 91
Published: Feb. 1, 2024
Background
Breast
cancer
(BC)
is
one
of
the
main
causes
cancer-related
mortality
among
women.
For
clinical
management
to
help
patients
survive
longer
and
spend
less
time
on
treatment,
early
precise
identification
differentiation
breast
lesions
are
crucial.
To
investigate
accuracy
radiomic
features
(RF)
extracted
from
dynamic
contrast-enhanced
Magnetic
Resonance
Imaging
(DCE
MRI)
for
differentiating
invasive
ductal
carcinoma
(IDC)
lobular
(ILC).
Methods
This
a
retrospective
study.
The
IDC
30
ILC
28
Dukes
MRI
data
set
Cancer
Archive
(TCIA),
were
included.
RF
DCE-MRI
sequence
using
3D
slicer.
relevance
was
evaluated
maximum
minimum
redundancy
(mRMR)
Mann-Whitney
test.
Receiver
Operating
Characteristic
(ROC)
curve
analysis
performed
ascertain
in
distinguishing
between
ILC.
Results
Ten
DCE
MRI-based
RFs
used
our
study
showed
significant
difference
(p
<0.001)
We
noticed
that
RF,
such
as
Gray
level
run
length
matrix
(GLRLM)
gray
variance
(sensitivity
(SN)
97.21%,
specificity
(SP)
96.2%,
area
under
(AUC)
0.998),
co-occurrence
(GLCM)
average
(SN
95.72%,
SP
96.34%,
AUC
0.983),
GLCM
interquartile
range
95.24%,
97.31%,
0.968),
had
strongest
ability
differentiate
Conclusions
derived
sequences
can
be
settings
malignant
breast,
ILC,
without
requiring
intrusive
procedures.
Journal of International Medical Research,
Journal Year:
2024,
Volume and Issue:
52(4)
Published: April 1, 2024
Breast
cancer
(BC)
is
the
most
prominent
form
of
among
females
all
over
world.
The
current
methods
BC
detection
include
X-ray
mammography,
ultrasound,
computed
tomography,
magnetic
resonance
imaging,
positron
emission
tomography
and
breast
thermographic
techniques.
More
recently,
machine
learning
(ML)
tools
have
been
increasingly
employed
in
diagnostic
medicine
for
its
high
efficiency
intervention.
subsequent
imaging
features
mathematical
analyses
can
then
be
used
to
generate
ML
models,
which
stratify,
differentiate
detect
benign
malignant
lesions.
Given
marked
advantages,
radiomics
a
frequently
tool
recent
research
clinics.
Artificial
neural
networks
deep
(DL)
are
novel
forms
that
evaluate
data
using
computer
simulation
human
brain.
DL
directly
processes
unstructured
information,
such
as
images,
sounds
language,
performs
precise
clinical
image
stratification,
medical
record
tumour
diagnosis.
Herein,
this
review
thoroughly
summarizes
prior
investigations
on
application
images
intervention
radiomics,
namely
ML.
aim
was
provide
guidance
scientists
regarding
use
artificial
intelligence
clinic.