World Journal of Gastroenterology,
Journal Year:
2024,
Volume and Issue:
31(3)
Published: Dec. 17, 2024
Mucosal
healing
(MH)
is
the
major
therapeutic
target
for
Crohn's
disease
(CD).
As
most
commonly
involved
intestinal
segment,
small
bowel
(SB)
assessment
crucial
CD
patients.
Yet,
it
poses
a
significant
challenge
due
to
its
limited
accessibility
through
conventional
endoscopic
methods.
To
establish
noninvasive
radiomic
model
based
on
computed
tomography
enterography
(CTE)
MH
in
SBCD
Seventy-three
patients
diagnosed
with
were
included
and
divided
into
training
cohort
(n
=
55)
test
18).
Radiomic
features
obtained
from
CTE
images
model.
Patient
demographics
analysed
clinical
A
radiomic-clinical
nomogram
was
constructed
by
combining
features.
The
diagnostic
efficacy
benefit
evaluated
via
receiver
operating
characteristic
(ROC)
curve
analysis
decision
(DCA),
respectively.
Of
73
enrolled,
25
achieved
MH.
had
an
area
under
ROC
of
0.961
(95%
confidence
interval:
0.886-1.000)
0.958
(0.877-1.000)
provided
superior
either
or
models
alone,
as
demonstrated
DCA.
These
results
indicate
that
CTE-based
promising
imaging
biomarker
serves
potential
alternative
enteroscopy
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.
Academic Radiology,
Journal Year:
2023,
Volume and Issue:
31(3), P. 880 - 888
Published: Sept. 18, 2023
•MUSE-IVIM
can
yield
high-quality
images.•MUSE-IVIM
and
DCE-MRI
quantify
the
microcirculatory
changes.•MUSE-IVIM
stage
CD
lesions
activity.
Rationale
ObjectivesTo
investigate
if
combination
of
multishot
diffusion
imaging-based
multiplexed
sensitivity
encoding
intravoxel
incoherent
motion
(MUSE-IVIM)
dynamic
contrast-enhanced
magnetic
resonance
imaging
(DCE-MRI)
is
feasible
for
staging
Crohn's
disease
(CD)
activity.Materials
MethodsA
total
65
patients
were
enrolled
analyzed
in
this
retrospective
study.
The
simplified
endoscopic
score
(SES-CD)
index
activity
(MaRIA)
used
as
reference.
MUSE-IVIM
data
acquired
at
3.0-T
MRI
scanner
processed
by
two
radiologists.
Three
parameters:
fast
apparent
coefficient
(ADCfast),
slow
(ADCslow),
fractional
perfusion
(Fraction
ADCfast),
well
four
volume
transfer
constant
(Ktrans),
rate
(Kep),
extravascular
extracellular
fraction
(Ve),
plasma
(Vp)
generated.
Intraclass
correlation
(ICC),
non-parametric
test
(Kruskal–Wallis
H
Mann–Whitney
U),
logistic
regression,
receiver
operating
characteristic
analysis,
Delong
test,
Spearman's
performed.ResultsAccording
to
SES-CD,
116
ileocolonic
segments
with
identified
as:
inactive,
mild,
moderate
severe.
With
multivariable
regression
ADCfast
(p
<
0.001),
Fraction
=
0.005),
Ktrans
0.001)
Kep
0.003)
significant
factors
differentiating
among
three
groups.
Binary
analyses
0.014),
0.029)
independent
predictors
active
status.
ADCfast,
Ktrans,
K
ep
performed
better
than
MaRIA
0.028),
inactive
was
positively
correlated
Ve
however,
negatively
0.001).ConclusionThe
has
been
demonstrated
accurately
inflammatory
CD.
To
A
performed.
According
0.001).
Artificial Intelligence in Gastrointestinal Endoscopy,
Journal Year:
2024,
Volume and Issue:
5(2)
Published: May 11, 2024
Colorectal
diseases
are
increasing
due
to
altered
lifestyle,
genetic,
and
environmental
factors.
Colonoscopy
plays
an
important
role
in
diagnosis.
Advances
colonoscope
(ultrathin
scope,
magnetic
capsule)
technological
gadgets
(Balloon
assisted
third
eye
retroscope,
NaviAid
G-EYE,
dye-based
chromoendoscopy,
virtual
narrow
band
imaging,
i-SCAN,
etc.
)
have
made
colonoscopy
more
comfortable
efficient.
Now
in-vivo
microscopy
can
be
performed
using
confocal
laser
endomicroscopy,
optical
coherence
tomography,
spectroscopy,
Besides
developments
diagnostic
colonoscopy,
therapeutic
has
improved
manage
lower
gastrointestinal
tract
bleeding,
obstruction,
perforations,
resection
polyps,
early
colorectal
cancers.
The
introduction
of
combined
endo-laparoscopic
surgery
robotic
endoscopic
these
interventions
feasible.
artificial
intelligence
the
diagnosis
management
is
also
day
by
day.
Hence,
this
article
review
cutting-edge
principles
for
diseases.
European Journal of Gastroenterology & Hepatology,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Aug. 23, 2024
Objective
The
objective
of
this
study
is
to
segment
creeping
fat
and
intestinal
wall
on
computed
tomography
enterography
(CTE)
develop
a
radiomic
model
predict
1-year
surgery
risk
in
patients
with
Crohn’s
disease.
Methods
This
retrospective
included
135
disease
who
underwent
CTE
between
January
December
2021
(training
cohort)
69
June
2022
(test
cohort).
A
total
1874
features
were
extracted
from
the
respectively
venous
phase
images,
models
constructed
based
selected
using
Boruta
extreme
gradient
boosting
algorithms.
combined
established
by
integrating
clinical
predictors
models.
receiver
operating
characteristic
curve,
calibration
decision
curve
analyses
used
compare
predictive
performance
Results
In
training
test
cohorts,
area
under
(AUC)
values
for
stratification
0.916
0.822,
respectively,
similar
AUC
0.889
0.822.
Moreover,
was
superior
single
models,
showing
good
discrimination
highest
cohort:
0.963;
0.882).
Addition
failed
significantly
improve
diagnostic
ability.
Conclusion
CTE-based
provided
additional
information
model,
their
enables
accurate
prediction
within
1
year
CTE.
World Journal of Gastroenterology,
Journal Year:
2024,
Volume and Issue:
31(3)
Published: Dec. 17, 2024
Mucosal
healing
(MH)
is
the
major
therapeutic
target
for
Crohn's
disease
(CD).
As
most
commonly
involved
intestinal
segment,
small
bowel
(SB)
assessment
crucial
CD
patients.
Yet,
it
poses
a
significant
challenge
due
to
its
limited
accessibility
through
conventional
endoscopic
methods.
To
establish
noninvasive
radiomic
model
based
on
computed
tomography
enterography
(CTE)
MH
in
SBCD
Seventy-three
patients
diagnosed
with
were
included
and
divided
into
training
cohort
(n
=
55)
test
18).
Radiomic
features
obtained
from
CTE
images
model.
Patient
demographics
analysed
clinical
A
radiomic-clinical
nomogram
was
constructed
by
combining
features.
The
diagnostic
efficacy
benefit
evaluated
via
receiver
operating
characteristic
(ROC)
curve
analysis
decision
(DCA),
respectively.
Of
73
enrolled,
25
achieved
MH.
had
an
area
under
ROC
of
0.961
(95%
confidence
interval:
0.886-1.000)
0.958
(0.877-1.000)
provided
superior
either
or
models
alone,
as
demonstrated
DCA.
These
results
indicate
that
CTE-based
promising
imaging
biomarker
serves
potential
alternative
enteroscopy