African Journal of Urology,
Год журнала:
2024,
Номер
30(1)
Опубликована: Янв. 22, 2024
Abstract
Background
Hilar
tumours
are
the
renal
tumours,
which
abut
artery
or
vein.
Nephron
sparing
surgery
(NSS)
is
of
proven
benefit
among
those
with
small
masses.
usually
offered
radical
due
to
presumed
difficulty
in
dissection,
upgrading
tumour
stage,
and
risk
conversion
surgery.
We
present
our
results
patients
hilar
undergoing
nephron
Methods
performed
a
retrospective
analysis
who
underwent
NSS
for
tertiary
referral
institute
from
June
2017
December
2022.
The
case
sheets
all
had
undergone
were
analysed
their
radiology
images
reviewed.
Those
based
on
demographic
characters,
perioperative
postoperative
follow-up
details.
Results
Among
total
21
partial
nephrectomy,
ten
tumours.
median
age
was
43
years.
Nine
robot-assisted
nephrectomy
one
open
nephrectomy.
Seven
incidentally
detected
One
Grade
3
chronic
kidney
disease.
mean
operative
time
robot
console
225
125
min,
respectively.
Median
warm
ischaemia
(WIT)
36
min
(25–48
min).
patient
grade
2
complication
two
complication.
Eight
clear
cell
carcinoma
positive
margin.
None
recurrence
at
38
months.
Conclusion
surgery,
especially
approach,
feasible
prognosis
complications
similar
non-hilar
short-term
follow-up.
Abdominal Radiology,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 28, 2025
Abstract
Renal
cell
carcinoma
(RCC)
as
a
significant
health
concern,
with
incidence
rates
rising
annually
due
to
increased
use
of
cross-sectional
imaging,
leading
higher
detection
incidental
renal
lesions.
Differentiation
between
benign
and
malignant
lesions
is
essential
for
effective
treatment
planning
prognosis.
tumors
present
numerous
histological
subtypes
different
prognoses,
making
precise
subtype
differentiation
crucial.
Artificial
intelligence
(AI),
especially
machine
learning
(ML)
deep
(DL),
shows
promise
in
radiological
analysis,
providing
advanced
tools
lesion
detection,
segmentation,
classification
improve
diagnosis
personalize
treatment.
Recent
advancements
AI
have
demonstrated
effectiveness
identifying
predicting
surveillance
outcomes,
yet
limitations
remain,
including
data
variability,
interpretability,
publication
bias.
In
this
review
we
explored
the
current
role
assessing
kidney
lesions,
highlighting
its
potential
preoperative
addressing
existing
challenges
clinical
implementation.
Asian journal of urology,
Год журнала:
2022,
Номер
9(3), С. 243 - 252
Опубликована: Июнь 18, 2022
Artificial
intelligence
(AI)
has
made
considerable
progress
within
the
last
decade
and
is
subject
of
contemporary
literature.
This
trend
driven
by
improved
computational
abilities
increasing
amounts
complex
data
that
allow
for
new
approaches
in
analysis
interpretation.
Renal
cell
carcinoma
(RCC)
a
rising
incidence
since
most
tumors
are
now
detected
at
an
earlier
stage
due
to
imaging.
creates
challenges
as
approximately
10%-17%
kidney
designated
benign
histopathological
evaluation;
however,
certain
co-morbid
populations
(the
obese
elderly)
have
increased
peri-interventional
risk.
AI
offers
alternative
solution
helping
optimize
precision
guidance
diagnostic
therapeutic
decisions.
The
narrative
review
introduced
basic
principles
provide
comprehensive
overview
current
techniques
RCC.
Currently,
applications
can
be
found
any
aspect
RCC
management
including
diagnostics,
perioperative
care,
pathology,
follow-up.
Most
commonly
applied
models
include
neural
networks,
random
forest,
support
vector
machines,
regression.
However,
implementation
daily
practice,
health
care
providers
need
develop
understanding
establish
interdisciplinary
collaborations
order
standardize
datasets,
define
meaningful
endpoints,
unify
Scientific Reports,
Год журнала:
2024,
Номер
14(1)
Опубликована: Янв. 2, 2024
Image
imputation
refers
to
the
task
of
generating
a
type
medical
image
given
images
another
type.
This
becomes
challenging
when
difference
between
available
images,
and
be
imputed
is
large.
In
this
manuscript,
one
such
application
considered.
It
derived
from
dynamic
contrast
enhanced
computed
tomography
(CECT)
imaging
kidneys:
an
incomplete
sequence
three
CECT
we
are
required
impute
missing
image.
posed
as
probabilistic
inference
generative
algorithm
generate
samples
image,
conditioned
on
developed,
trained,
tested.
The
output
"best
guess"
pixel-wise
variance
in
imputation.
demonstrated
that
best
guess
more
accurate
than
those
generated
by
other,
deterministic
deep-learning
based
algorithms,
including
ones
which
utilize
additional
information
complex
loss
terms.
also
shown
quantifies
confidence
reconstruction,
can
used
determine
whether
result
meets
specified
accuracy
threshold
therefore
appropriate
for
downstream
task.
Journal of Clinical Medicine,
Год журнала:
2024,
Номер
13(13), С. 3821 - 3821
Опубликована: Июнь 29, 2024
The
availability
of
imaging
methods
has
enabled
increased
detection
kidney
lesions,
which
are
a
common
clinical
problem.
It
is
estimated
that
more
than
half
patients
over
the
age
50
have
at
least
one
undetermined
mass
in
kidney.
appropriate
characterization
and
diagnosis
lesions
imaged
allows
for
proper
therapeutic
management.
Previously,
contrast-enhanced
computed
tomography
(CT)
magnetic
resonance
(MRI)
been
used
their
extended
diagnosis.
However,
limitations
these
techniques,
such
as
radiation
exposure,
renal
toxicity,
allergies
to
contrast
agents,
must
be
considered.
Contrast-enhanced
ultrasound
(CEUS)
increasingly
being
an
examination
resolve
interpretive
doubts
arise
with
other
diagnostic
methods.
Indeed,
it
can
considered
both
problem-solving
technique
diagnosing
distinguishing
observation
preservative
treatment.
Evaluation
enhancement
curve
time
on
CEUS
help
differentiate
malignant
cell
carcinoma
(RCC)
subtypes
should
resected
from
benign
oncocytoma
or
angiomyolipoma
(AML),
surgery
avoided.
between
tumors,
pseudotumors,
solid
cystic
tumors.
Therefore,
recent
advances
technology,
emerged
fast,
reliable,
cost-effective
tool
preoperative
evaluation
masses.
Infectious Agents and Cancer,
Год журнала:
2022,
Номер
17(1)
Опубликована: Июнь 9, 2022
Abstract
This
article
provides
an
overview
of
diffusion
kurtosis
(DKI)
imaging
in
abdominal
oncology.
DKI
allows
for
more
data
on
tissue
structures
than
the
conventional
model
(DWI).
However,
requires
high
quality
images
at
b
-values
greater
1000
s/mm
2
and
signal-to-noise
ratio
(SNR)
that
traditionally
MRI
systems
are
not
able
to
acquire
therefore
there
generally
amplified
anatomical
distortions
due
less
homogeneity
field.
Advances
both
hardware
software
modern
scanners
have
currently
enabled
ultra-high
-value
offered
ability
apply
multiple
extracranial
sites.
Previous
studies
evaluated
characterize
discriminate
tumor
grade
compared
DWI.
Additionally,
several
sequences
used
were
based
planar
echo
(EPI)
acquisition,
which
is
susceptible
motion,
metal
air
artefacts
prone
low
SNRs
distortions,
leading
some
small
lesions,
may
affect
accuracy
results.
Another
problem
optimal
DKI,
remains
be
explored
yet
standardized,
as
well
manual
selection
ROI,
could
parameters.
Journal of Clinical Medicine,
Год журнала:
2024,
Номер
13(2), С. 547 - 547
Опубликована: Янв. 18, 2024
Background:
Small
renal
masses
(SRMs)
are
defined
as
contrast-enhanced
lesions
less
than
or
equal
to
4
cm
in
maximal
diameter,
which
can
be
compatible
with
stage
T1a
cell
carcinomas
(RCCs).
Currently,
50–61%
of
all
tumors
found
incidentally.
Methods:
The
characteristics
the
lesion
influence
choice
type
management,
include
several
methods
SRM
including
nephrectomy,
partial
ablation,
observation,
and
also
stereotactic
body
radiotherapy.
Typical
imaging
available
for
differentiating
benign
from
malignant
ultrasound
(US),
(CEUS),
computed
tomography
(CT),
magnetic
resonance
(MRI).
Results:
Although
is
first
technique
used
detect
small
lesions,
it
has
limitations.
CT
main
most
widely
characterization.
advantages
MRI
compared
better
contrast
resolution
tissue
characterization,
use
functional
sequences,
possibility
performing
examination
patients
allergic
iodine-containing
medium,
absence
exposure
ionizing
radiation.
For
a
correct
evaluation
during
follow-up,
necessary
reliable
method
assessment
represented
by
Bosniak
classification
system.
This
was
initially
developed
based
on
findings,
2019
revision
proposed
inclusion
features;
however,
latest
not
yet
received
widespread
validation.
Conclusions:
radiomics
an
emerging
increasingly
central
field
applications
such
characterizing
masses,
distinguishing
RCC
subtypes,
monitoring
response
targeted
therapeutic
agents,
prognosis
metastatic
context.
Renal
cell
carcinoma
(RCC)
is
the
most
common
renal
tumor,
accounting
for
approximately
2%
of
adult
malignancies.
However,
there
are
also
rare
presentations
RCC
with
metastatic
sites,
paraneoplastic
disease,
and
abnormal
findings
that
may
mislead
to
diagnosis,
including
bleeding
or
vascular
malformation
like
arteriovenous
(AVM).
Here
we
present
case
a
woman
complaining
hematuria,
weakness,
fatigue.
Ultrasound
examination
revealed
large
mixed
echogenic
lesion
in
right
kidney,
further
intratumoral
AVM.
Journal of Personalized Medicine,
Год журнала:
2022,
Номер
12(7), С. 1153 - 1153
Опубликована: Июль 16, 2022
Desmoid
tumors
(DTs),
also
known
as
desmoid
fibromatosis
or
aggressive
fibromatosis,
are
rare,
locally
invasive,
non-metastatic
soft
tissue
tumors.
Although
histological
results
represent
the
gold
standard
diagnosis,
imaging
represents
fundamental
tool
for
diagnosis
of
these
analysis
DTs
a
challenge
radiologist,
being
able
to
mimic
different
pathological
conditions.
A
proper
is
required
establish
an
adequate
therapeutic
approach.
Multimodality
imaging,
including
ultrasound
(US),
computed
tomography
(CT)
and
Magnetic
Resonance
Imaging
(MRI),
should
be
preferred.
Different
techniques
can
guide
minimally
invasive
treatments
monitor
their
effectiveness.
The
purpose
this
review
describe
state-of-the-art
multidisciplinary
DTs;
its
role
in
patient
management.