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Earlier detection of bone metastases from pleomorphic liposarcoma in a pediatric patient by FDG PET/CT than planar 99mTc MDP bone scan.
[pleomorphic liposarcoma]
Bone
scintigraphy
using
(
99
m
)
TC
MDP
(
technetium-
99
m
methylene
diphosphonate
)
is
a
routine
procedure
for
evaluation
of
osteoblastic
metastases
;
however
,
its
sensitivity
compared
with
FDG
PET
/
CT
in
a
variety
of
malignancies
remains
to
be
established
.
We
report
a
case
of
multiple
osseous
metastases
revealed
by
FDG
PET
/
CT
in
an
8
-
year
-old
girl
with
pleomorphic
liposarcoma
.
Many
of
these
osseous
lesions
were
not
visualized
on
the
MDP
planar
bone
scintigraphy
performed
24
hours
after
PET
/
CT
scan
,
becoming
evident
only
on
repeat
bone
scan
performed
3
months
later
.
The
case
suggests
that
FDG
PET
/
CT
has
higher
sensitivity
in
detecting
osteoblastic
metastases
in
pleomorphic
liposarcoma
.
Diseases
Validation
Diseases presenting
"multiple osseous metastases"
symptom
pleomorphic liposarcoma
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