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Primary osteoliposarcoma of the bone.
[pleomorphic liposarcoma]
Osteoliposarcoma
are
rare
tumors
of
the
bone
.
To
our
knowledge
,
so
far
only
eight
cases
have
been
reported
.
Some
of
the
reports
have
referred
to
these
tumors
as
malignant
mesenchymoma
.
We
report
a
case
of
a
male
with
osteoliposarcoma
of
the
right
femur
who
presented
with
pain
and
restricted
movements
of
the
right
knee
joint
.
Radiologically
,
a
tumor
in
the
lower
end
of
the
right
femur
was
seen
extending
into
the
soft
tissue
.
The
biopsy
was
reported
as
osteosarcoma
.
The
patient
received
three
cycles
of
neo-adjuvant
chemotherapy
followed
by
limb
-salvage
surgery
with
provisions
for
a
custom-made
prosthesis
.
A
histopathological
study
of
the
excision
specimen
revealed
areas
of
pleomorphic
liposarcoma
with
numerous
osteoblasts
associated
with
areas
of
osteoid
surrounded
by
neoplastic
cells
.
The
final
diagnosis
was
osteoliposarcoma
.
Only
21
%
tumor
necrosis
(
effects
of
chemotherapy
)
was
observed
.
Presently
,
26
months
following
diagnosis
,
the
patient
is
fine
with
no
evidence
of
local
recurrence
or
distant
metastasis
.
Diseases
Validation
Diseases presenting
"restricted movements of the right knee joint"
symptom
pleomorphic liposarcoma
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