Cancers,
Journal Year:
2023,
Volume and Issue:
15(11), P. 2985 - 2985
Published: May 30, 2023
Primary
retroperitoneal
sarcomas
(RPS)
represent
around
10–16%
of
all
sarcomas,
with
liposarcomas
and
leiomyosarcomas
being
the
most
common
subtypes.
RPS
have
some
peculiar
characteristics,
imaging
appearances,
worse
prognosis,
complications
compared
to
other
locations
sarcoma.
Commonly,
primarily
present
as
large
masses,
progressively
encasing
adjacent
structures,
causing
mass
effect,
complications.
diagnosis
is
often
challenging,
these
tumors
may
be
overlooked;
however,
failure
recognize
characteristics
leads
a
prognosis
for
patients.
Surgery
only
recognized
curative
treatment,
but
anatomical
constraints
retroperitoneum
limit
ability
achieve
wide
resection
margins;
therefore,
high
rate
recurrence,
require
long-term
follow-up.
The
radiologist
has
an
important
role
in
RPS,
definition
their
extent,
Specific
knowledge
main
findings
required
reach
early
diagnosis,
and,
ultimately,
guarantee
best
patient
management.
This
article
provides
overview
current
regarding
cross-sectional
features
patients
presenting
tips
tricks
improve
RPS.
Cancers,
Journal Year:
2022,
Volume and Issue:
14(17), P. 4091 - 4091
Published: Aug. 24, 2022
Surgery
is
the
key
treatment
in
retroperitoneal
sarcoma
(RPS),
as
completeness
of
resection
most
important
prognostic
factor
related
to
treatment.
Compartmental
surgery/frontline
extended
approach
based
on
soft-tissue
surgical
principles,
and
involves
resecting
adjacent
viscera
achieve
a
wide
negative
margin.
This
associated
with
improved
local
control
survival.
surgery
must
be
tailored
tumor
histology,
localization,
patient
performance
status.
We
herein
present
review
compartmental
covering
oncological
technical
basis,
describing
each
subtype
localization
retroperitoneum.
Diagnostic Pathology,
Journal Year:
2025,
Volume and Issue:
20(1)
Published: Feb. 27, 2025
Retroperitoneal
dedifferentiated
liposarcoma
is
a
rare,
aggressive
malignancy,
characterized
by
high
rates
of
recurrences
and
the
potential
for
metastasis.
On
imaging,
these
tumors
typically
present
as
solid
mass
with
lipomatous
non-lipomatous
components.
Cystic
changes
liposarcomas
exceedingly
rare
might
pose
significant
diagnostic
challenges,
only
few
cases
reported
in
literature.
We
here
two
retroperitoneal
cystic
presentation
female
patients
aged
51
62
years.
Imaging
revealed
large
perinephric
masses
measuring
up
to
13.0
cm
16.1
cm,
respectively,
calcifications
cyst
wall
observed
second
case.
Differential
diagnoses
included
echinococcosis,
mesenchymal
neoplasms,
benign
lesions
(e.g.
endometrial
cyst).
Both
underwent
upfront
compartmental
en-bloc
surgical
resection
tumor
kidney
after
multidisciplinary
board
(MDT)
discussion.
Macroscopically,
were
adherent
but
sharply
demarcated
from
kidney.
Histological
examination
first
case
small
component
well-differentiated
(WDLPS)
adjacent
non-lipogenic
sarcoma
prominent
whirling
pattern,
compatible
dedifferentiation.
The
demonstrated
spindle
cell
neoplasm
osteosarcomatous
heterologous
differentiation.
MDM2
amplification
was
confirmed
both
molecular
testing.
No
long-term
follow-up
data
available
either
patient.
In
conclusion,
highlight
importance
recognizing
unusual
extensive
liposarcoma,
which
can
complicate
work-up.
Journal of Surgical Oncology,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 28, 2025
ABSTRACT
Introduction
Complete
surgical
resection
is
the
mainstay
of
treatment
for
retroperitoneal
sarcomas
(RPS).
For
primary
well‐differentiated
liposarcomas
and
dedifferentiated
liposarcomas,
aggressive
en‐bloc
adjacent
organs
crucial
local
control.
Diaphragmatic
may
be
necessary
in
left‐sided
RPS
cases.
While
closure
defects
usually
possible,
large
require
alternative
methods
such
as
prosthetic
reconstruction.
Methods
We
developed
an
innovative
technique
reconstructing
diaphragmatic
after
using
a
rectangular
polytetrafluoroethylene
band
called
ROCK
(robust
organic
composite
kinetic
restoration
diaphragm).
This
involves
fixing
folded
to
prevertebral
fascia
diaphragm
ensure
tension‐free
while
preserving
function.
The
study
analyzed
patients
treated
with
this
at
IRCCS‐Humanitas
Research
Hospital
from
January
December
2023.
Results
Four
underwent
left
median
age
was
56.5
years,
male/female
ratio
1/3.
Median
tumor
size
24.5
cm,
operative
time
409.5
min.
There
were
no
band‐related
complications,
hernias,
or
respiratory
failures.
Conclusions
provides
safe,
effective,
adaptable
method
reconstruction
resection,
improving
anatomical
functional
outcomes.
Larger
studies
are
needed
validation.
Urologie pro praxi,
Journal Year:
2024,
Volume and Issue:
25(4), P. 233 - 236
Published: Nov. 25, 2024
Prezentujeme
kazuistiku
69letého
muže,
u
něhož
byl
při
ultrazvukovém
vyšetření
urotraktu
náhodně
zachycen
suspektní
30mm
útvar
v
oblasti
levé
nadledviny,
na
základě
zobrazovacích
nebylo
možné
vyloučit
maligní
potenciál
nálezu.
Pacient
indikován
k
levostranné
adrenalektomii,
histologickým
nálezem
středně
diferencovaný
ohraničený
leiomyosarkom,
nadledvina
byla
bez
infiltrace.
známek
generalizace,
doporučení
multidisciplinárního
onkologického
týmu
je
zařazen
do
sledování,
kontrolní
restagingové
CT
proběhlo
šest
měsíců
od
výkonu
s
negativním
nálezem.
Cancers,
Journal Year:
2023,
Volume and Issue:
15(4), P. 1340 - 1340
Published: Feb. 20, 2023
Sarcomas
represent
a
heterogeneous
group
of
mesenchymal
malignancies
that
most
commonly
occur
in
the
extremities,
retroperitoneum,
and
head
neck.
Intra-abdominal
manifestations
are
rare
prove
particularly
difficult
to
treat
when
peritoneal
sarcomatosis
is
present.
Because
overall
poor
prognosis
disease,
tailored
approach
surgical
management
essential
achieve
satisfactory
outcomes
with
limited
morbidity.
We
present
perioperative
long-term
19
cases
sarcoma
treated
surgically
at
our
hospital.
Treatment
pathways
were
reviewed
clinical
follow-up
was
performed.
Patient
characteristics,
medical
history,
tumor
subtype,
approach,
hospital
stay,
complications,
follow-up,
survival
(OS)
assessed.
Our
patients
9
women
10
men
median
age
45.9
years
(18–88)
30
months
(0–200).
In
cases,
either
discovered
during
surgery
or
procedure
performed
palliative
intent
from
beginning.
The
these
very
should
consider
variety
factors
tailor
an
for
each
patient.
Sharing
experiences
will
help
increase
knowledge
about
this
disease
provide
insight
into
future
cases.
Annals of Surgical Oncology,
Journal Year:
2024,
Volume and Issue:
31(5), P. 3389 - 3396
Published: Feb. 12, 2024
Abstract
Background
Multivisceral
resection
of
retroperitoneal
liposarcoma
(LPS)
is
associated
with
increased
morbidity
and
may
not
confer
a
survival
benefit
compared
tumor-only
(TO)
resection.
We
both
approaches
using
novel
statistical
method
called
the
“win
ratio”
(WR).
Methods
Patients
who
underwent
LPS
from
2004
to
2015
were
identified
National
Cancer
Database.
was
defined
as
removal
primary
site
in
addition
other
organs.
The
WR
calculated
based
on
hierarchy
postoperative
outcomes:
30-day
90-day
mortality,
long-term
survival,
severe
complication.
Results
Among
958
patients
(multivisceral
634,
TO
324)
resection,
median
age
63
years
(interquartile
range
[IQR]
54–71)
follow-up
51
months
(IQR
30–86).
There
no
difference
among
versus
multivisceral
matched
cohort
(WR
0.82,
95%
confidence
interval
[CI]
0.61–1.10).
In
aged
72–90
years,
those
had
36%
lower
odds
winning
undergoing
0.64,
CI
0.40–0.98).
A
subgroup
analysis
classified
having
adjacent
tumor
involvement
at
time
surgery
revealed
that
33%
0.67,
0.45–0.99).
Conclusions
Based
win-ratio
assessments
hierarchical
composite
endpoint,
without
improved
outcomes.
This
supports
rationale
for
less
invasive
select
patients,
especially
older
patients.