Comparative Diagnostic Performance of Color Doppler Flow Imaging, MicroFlow Imaging and Contrast-enhanced Ultrasound in Solid Renal Tumors
Chunxiang Li,
No information about this author
Lisha Qi,
No information about this author
Changming Geng
No information about this author
et al.
Academic Radiology,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
Language: Английский
Diagnostic Accuracy of Contrast-Enhanced Ultrasound (CEUS) in the Detection of Muscle-Invasive Bladder Cancer: A Systematic Review and Diagnostic Meta-Analysis
Current Oncology,
Journal Year:
2024,
Volume and Issue:
31(2), P. 818 - 827
Published: Feb. 1, 2024
Background:
Contrast-enhanced
ultrasound
(CEUS)
is
a
diagnostic
tool
that
gaining
popularity
for
its
ability
to
improve
overall
accuracy
in
bladder
cancer
(BC)
staging.
Our
aim
determine
the
cumulative
performance
of
CEUS
predicting
preoperative
muscle
invasiveness
using
comprehensive
systematic
review
and
pooled
meta-analysis.
Methods:
A
until
October
2023
was
performed
according
Preferred
Reporting
Items
Systematic
Reviews
Meta-Analyses
(PRISMA)
statement.
Patients
with
BC
suspicion
were
offered
before
transurethral
resection
tumor
(TURBT).
The
evaluated
based
on
non-muscle-invasive
(NMIBC)
vs.
muscle-invasive
(MIBC)
confirmed
at
final
histopathological
examination
after
TURBT.
outcomes
determined
through
sensitivity,
specificity,
positive
likelihood
ratio
(PLR+),
negative
(PLR−),
area
under
summary
receiver
operating
characteristic
(SROC)
along
their
respective
95%
confidence
intervals
(CI).
Results:
Overall,
five
studies
included.
In
these
studies,
total
362
patients
underwent
prior
sensitivity
specificity
0.88
(95%
CI:
0.81–0.93)
0.82–0.92),
respectively.
SROC
curve
depicted
0.94
0.81–0.98).
PLR+
PLR−
7.3
4.8–11.2)
0.14
0.08–0.23),
Conclusions:
meta-analysis
indicates
highly
accurate
diagnosis
staging
BC.
Beyond
accuracy,
offers
advantage
being
cost-effective,
safe,
versatile
imaging
tool.
Language: Английский
Renal cell carcinoma of the native kidney in renal transplant recipients: case report and literature review
Lanying Li,
No information about this author
Haiyan Wang,
No information about this author
Yulan Peng
No information about this author
et al.
Frontiers in Oncology,
Journal Year:
2025,
Volume and Issue:
15
Published: April 29, 2025
Kidney
transplant
recipients
(KTRs)
carry
an
elevated
risk
of
cancer-related
mortality.
The
cumulative
incidence
de
novo
post-transplant
malignancy
(DPTM)
reaches
10%
at
10
years,
with
renal
cell
carcinoma
(RCC)
arising
in
native
kidneys
being
the
predominant
urologic
malignancy.
This
study
presents
three
KTRs
who
developed
kidney
RCC
6-15
years
post-transplantation.
Notably,
Case
1
demonstrated
a
14.7
cm
mass
diagnosis,
secondary
to
non-adherence
protocol-based
surveillance.
Histopathological
confirmation
was
established
all
cases
through
ISUP/WHO-graded
surgical
specimens
and
immunophenotypic
profiling.
exhibit
risk,
often
nonspecific
clinical
presentations.
Our
findings
emphasize
critical
role
systematic
imaging
protocols,
particularly
ultrasonography
contrast-enhanced
ultrasound
(CEUS),
early
tumor
detection.
Implementing
these
strategies
may
improve
survival
reduce
disease
burden
this
high-risk
population.
Language: Английский
Qualitative and quantitative assessment of non-clear cell renal cell carcinoma using contrast-enhanced ultrasound
BMC Urology,
Journal Year:
2024,
Volume and Issue:
24(1)
Published: June 17, 2024
Abstract
Background
Non-clear
cell
renal
carcinoma
(nccRCC)
represents
a
rare
form
of
(RCC)
in
the
clinic.
It
is
now
understood
that
contrast-enhanced
ultrasound
(CEUS)
exhibits
diverse
manifestations
and
can
be
prone
to
misdiagnosis.
Therefore,
summarizing
distinctive
features
ultrasonography
essential
for
differentiation
from
ccRCC.
Objective
This
study
aims
evaluate
diagnostic
efficacy
qualitative
quantitative
CEUS
diagnosing
nccRCC
enhance
our
understanding
this
condition.
Methods
We
conducted
retrospective
analysis
21
patients
with
confirmed
following
surgery
assessed
characteristic
conventional
imaging
features.
The
paired
Wilcoxon
signed-rank
sum
test
was
employed
compare
differences
time-intensity
curve
(TIC)
parameters
between
lesions
normal
cortex.
Results
Routine
revealed
primary
characteristics
cases:
hypoechoic
appearance
(10/21,
47.6%),
absence
liquefaction
(18/21,
66.7%),
regular
shape
(19/21,
90.5%),
clear
boundaries
(21/21,
100%),
calcification
(17/21,
81%).
Color
Doppler
flow
(CDFI)
indicated
low
blood
signal
(only
1
case
grade
III).
Qualitative
demonstrated
predominantly
exhibited
slow
progression
(76.1%),
fast
washout
(57%),
uniformity
(61.9%),
enhancement
(71.5%),
ring
(61.9%).
Quantitative
such
as
PE,
WiAUC,
mTTI,
WiR,
WiPI,
WoAUC,
WiWoAUC,
WOR
were
significantly
lower
than
those
cortex
(
Z
=-3.980,
-3.563,
-2.427,
-3.389,
-3.980,
-3.493,
-3.528,
-2.763,
P
<
0.001,
=
0.015,
0.006).
However,
there
no
significant
RT,
TTP,
FT,
or
QOF
(all
>
0.05).
Conclusion
characteristics,
including
progression,
washout,
homogeneity
enhancement,
which
aid
distinguishing
Language: Английский
Evaluation of contrast-enhanced ultrasound for predicting tumor grade in small (≤4 cm) clear cell renal cell carcinoma: Qualitative and quantitative analysis
Liang Ming,
No information about this author
Haolin Qiu,
No information about this author
Bing Ou
No information about this author
et al.
Clinical Hemorheology and Microcirculation,
Journal Year:
2024,
Volume and Issue:
unknown, P. 1 - 12
Published: July 17, 2024
The
study
aimed
to
evaluate
the
utility
of
qualitative
and
quantitative
analysis
employing
contrast-enhanced
ultrasound
(CEUS)
in
predicting
WHO/ISUP
grade
small
(≤4
cm)
clear
cell
renal
carcinoma
(ccRCCs).
Language: Английский
Differentiation of Small Clear Renal Cell Carcinoma and Oncocytoma through Magnetic Resonance Imaging-Based Radiomics Analysis: Toward the End of Percutaneous Biopsy
Thibault Toffoli,
No information about this author
Olivier Saut,
No information about this author
Christele Etchegaray
No information about this author
et al.
Journal of Personalized Medicine,
Journal Year:
2023,
Volume and Issue:
13(10), P. 1444 - 1444
Published: Sept. 28, 2023
Purpose:
The
aim
of
this
study
was
to
ascertain
whether
radiomics
data
can
assist
in
differentiating
small
(<4
cm)
clear
cell
renal
carcinomas
(ccRCCs)
from
oncocytomas
using
T2-weighted
magnetic
resonance
imaging
(MRI).
Material
and
Methods:
This
retrospective
incorporated
48
tumors,
28
which
were
ccRCCs
20
oncocytomas.
All
tumors
less
than
4
cm
size
had
undergone
pre-biopsy
or
pre-surgery
MRI.
Following
image
pre-processing,
102
features
evaluated.
A
univariate
analysis
performed
the
Wilcoxon
rank-sum
test
with
Bonferroni
correction.
We
compared
multiple
pipelines
normalization,
feature
selection,
machine
learning
(ML)
algorithms,
including
random
forest
(RF),
logistic
regression
(LR),
AdaBoost,
K-nearest
neighbor,
support
vector
machine,
a
supervised
ML
approach.
Results:
No
statistically
significant
identified
via
most
effective
algorithm
pipeline
incorporating
standard
RF-based
LR,
achieved
an
area
under
curve
(AUC)
83%,
accuracy
73%,
sensitivity
79%,
specificity
65%.
Subsequently,
algorithm,
two
groups
uncorrelated
established
based
on
Pearson
correlation
scores.
Using
these
features,
after
normalization
achieving
AUC
90%,
77%,
69%
for
distinguishing
Conclusions:
Radiomics
MRI
aid
However,
it
is
not
superior
multiparameter
does
yet
allow
us
dispense
percutaneous
biopsy.
Language: Английский
Role of Renal Biopsy in the Management of Renal Cancer: Concordance between Ultrasound/CT-Guided Biopsy Results and Definitive Pathology, Adverse Events, and Complication Rate
Gianmarco Isgrò,
No information about this author
Alistair Rogers,
No information about this author
Rajan Veeratterapillay
No information about this author
et al.
Journal of Clinical Medicine,
Journal Year:
2023,
Volume and Issue:
13(1), P. 31 - 31
Published: Dec. 20, 2023
(1)
Background:
In
the
last
decade,
number
of
detected
renal
cancer
cases
has
increased,
with
highest
incidence
in
Western
countries.
Although
biopsy
is
reported
as
a
safe
procedure,
it
not
adopted
all
centres.
As
possible
to
accurately
distinguish
benign
tumours
using
imaging,
this
may
lead
overtreatment.
Most
on
imaging
treated
by
surgery,
radiofrequency
ablation
(RFA),
or
cryotherapy.
(2)
Methods:
This
was
single-centre
retrospective
study
225
patients
studied
preoperatively
ultrasound
(US)/CT-guided
biopsy,
aim
supporting
clinical
management.
Decisions
regarding
were
based
either
MDT
indication
physician
preference.
US-guided
first
option
for
patients;
CT-guided
used
when
feasible.
The
efficacy
terms
diagnostic
performance
and
concordance
between
results
definitive
pathology
investigated.
Additionally,
adverse
events
related
recorded
analysed.
Data
collected
throughout
analysed
binary
logistic
regression,
Fisher’s
exact
test,
Pearson’s
chi-square
test
investigate
correlations
post-procedural
complications
size
lesion.
(3)
Results:
Renal
23/225
(10.2%)
patients.
A
approach
necessary
20/225
after
failure
biopsy.
complication
rate
4.8%
overall—all
Clavien
grade
I
without
any
serious
sequelae.
Interestingly,
occurred
very
different
sizes
cell
carcinoma.
No
correlation
anticoagulant/antiplatelet
drugs
found.
seeding
among
who
underwent
partial/radical
nephrectomy.
(4)
Conclusions:
shown
be
effective,
high
low
complications.
use
whenever
failed
improved
Language: Английский
Contrast-enhanced ultrasound of renal masses in the pre-transplant setting: literature review with case highlights
Krister J. Barkovich,
No information about this author
Amanda C. Gibson,
No information about this author
Sneh Brahmbhatt
No information about this author
et al.
Abdominal Radiology,
Journal Year:
2024,
Volume and Issue:
49(12), P. 4521 - 4530
Published: June 20, 2024
Abstract
With
the
rising
incidence
of
chronic
kidney
disease
worldwide,
an
increasing
number
patients
are
expected
to
require
renal
transplantation,
which
remains
definitive
treatment
end
stage
disease.
Medical
imaging,
primarily
ultrasonography
and
contrast-enhanced
CT
and/or
MRI,
plays
a
large
role
in
pre-transplantation
assessment,
especially
characterization
lesions
within
native
kidneys.
However,
with
CKD/ESRD
often
have
relative
contraindications
CT-
MR-contrast
agents,
limiting
their
utilization
this
patient
population.
Contrast-enhanced
ultrasound
(CEUS),
combines
high
temporal
spatial
resolution
intravascular
microbubble
contrast
provides
promising
alternative.
This
review
aims
familiarize
reader
literature
regarding
use
CEUS
evaluation
cystic
solid
provide
case
examples
its
at
our
institution
pre-transplant
setting.
Graphical
abstract
Language: Английский
The role of radiomics in computed tomography, magnetic resonance imaging, and ultrasound for renal tumors’ diagnoses: A systematic review
Zenghui Xi,
No information about this author
Jing Li,
No information about this author
Xue Liu
No information about this author
et al.
Journal of Radiation Research and Applied Sciences,
Journal Year:
2023,
Volume and Issue:
17(1), P. 100769 - 100769
Published: Dec. 1, 2023
Radiomics
is
a
collection
of
data
and
features
obtained
from
medical
imaging
techniques.
In
this
systematic
review,
various
databases
were
comprehensively
searched
to
understand
the
diagnostic
role
radiomics
in
computed
tomography
(CT),
magnetic
resonance
(MRI),
ultrasound
(US)
renal
tumors.
All
original
human
studies
evaluating
diagnosis
tumors
that
used
CT,
MRI,
or
US
included.
The
findings
showed
many
have
been
conducted
on
methods
for
detection
benign
malignant
demonstrated
higher
sensitivity
specificity
compared
CT
MRI.
It
crucial
conduct
machine
learning
incorporating
MR
techniques
more
comprehensive
comparisons.
Language: Английский