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Primary pleomorphic liposarcoma of bone in an adolescent: imaging features of a rare entity.
[pleomorphic liposarcoma]
We
report
a
rare
case
of
a
primary
osseous
pleomorphic
liposarcoma
of
the
distal
femur
in
a
13
-
year
-old
boy
.
Primary
liposarcoma
of
bone
is
a
very
rare
malignant
tumour
originating
from
primitive
mesenchymal
cells
rather
than
mature
adipose
tissue
.
Pleomorphic
liposarcoma
is
the
least
common
of
the
eight
known
histological
subtypes
in
the
WHO
classification
.
The
entity
is
not
previously
reported
in
children
.
This
is
the
third
reported
case
of
pleomorphic
liposarcoma
of
the
bone
,
and
the
first
reported
case
presenting
in
adolescence
.
We
describe
the
computed
tomography
and
magnetic
resonance
imaging
features
of
this
rare
bony
tumour
.
