Machine Learning Radiomics for Predicting Response to MR-Guided Radiotherapy in Unresectable Hepatocellular Carcinoma: A Multicenter Cohort Study
Ke Su,
No information about this author
Xin Liu,
No information about this author
Yue‐Can Zeng
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et al.
Journal of Hepatocellular Carcinoma,
Journal Year:
2025,
Volume and Issue:
Volume 12, P. 933 - 947
Published: May 1, 2025
This
study
was
conducted
to
assess
the
efficacy
and
safety
of
magnetic
resonance
(MR)-guided
hypofractionated
radiotherapy
in
patients
with
unresectable
hepatocellular
carcinoma
(HCC).
Machine
learning-based
radiomics
utilized
predict
responses
these
patients.
retrospective
included
118
hCC
who
received
MR-guided
radiotherapy.
The
primary
endpoint
objective
response
rate
(ORR).
Radiomics
features
were
based
on
gross
tumor
volume
(GTV).
K-means
clustering
performed
differentiate
cancer
subtypes
radiomics.
Nine
radiomics-utilizing
machine
learning
models
built
validated
internally
through
5-fold
cross-validation.
ORR,
median
progression-free
survival
(mPFS),
overall
(mOS)
54.4%,
21.7
months,
40.7
respectively.
No
patient
experienced
Grade
3/4
adverse
events.
1130
extracted
from
GTV,
which
7
for
further
analysis.
identified
2
selected
features.
Subtype
1
had
significantly
higher
response,
longer
mPFS,
mOS
than
2.
In
both
internal
external
validations,
multi-layer
perceptron
(MLP)
model
demonstrated
superior
predictive
performance
achieving
a
receiver
operating
characteristic-area
under
curve
(ROC-AUC)
0.804
0.842,
proven
be
effective
safe
HCC.
developed
this
could
accurately
radiotherapy-treated
inoperable
Language: Английский
Multiple deep learning models based on MRI images in discriminating glioblastoma from solitary brain metastases: a multicentre study
Chao Kong,
No information about this author
Ding Yan,
No information about this author
Kai Liu
No information about this author
et al.
BMC Medical Imaging,
Journal Year:
2025,
Volume and Issue:
25(1)
Published: May 19, 2025
Development
of
a
deep
learning
model
for
accurate
preoperative
identification
glioblastoma
and
solitary
brain
metastases
by
combining
multi-centre
multi-sequence
magnetic
resonance
images
comparison
the
performance
different
models.
Clinical
data
MR
total
236
patients
with
pathologically
confirmed
single
were
retrospectively
collected
from
January
2019
to
May
2024
at
Provincial
Hospital
Shandong
First
Medical
University,
randomly
divided
into
training
set
test
according
ratio
8:2,
in
which
contained
197
cases
39
cases;
preprocessed
labeled
tumor
regions.
The
pre-processed
regions,
MRI
sequences
input
individually
or
combination
train
3D
ResNet-18,
optimal
sequence
combinations
obtained
five-fold
cross-validation
enhancement
inputs
models
Vision
Transformer
(3D
Vit),
DenseNet,
VGG;
working
characteristic
curves
(ROCs)
subjects
plotted,
area
under
curve
(AUC)
was
calculated.
(AUC),
accuracy,
precision,
recall
F1
score
used
evaluate
discriminative
In
addition,
48
2020
December
2022
Affiliated
Cancer
University
as
an
external
compare
performance,
robustness
generalization
ability
four
effect
sequences,
three
T1-CE,
T2,
T2-Flair
gained
effect,
accuracy
AUC
values
0.8718
0.9305,
respectively;
after
inputted
aforementioned
combinations,
validation
ResNet-18
0.8125,
respectively,
0.8899,
all
are
highest
among
A
can
efficiently
identify
preoperatively,
has
efficacy
identifying
two
types
tumours.
Language: Английский