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Hemangioblastoma of pelvic cavity: report of a case and review of literature.
[liposarcoma]
Hemangioblastoma
of
soft
tissue
is
a
very
rare
tumor
of
uncertain
histological
type
.
Herein
,
we
reported
a
51
-
year
-old
woman
was
found
to
have
a
solid
and
cystic
mass
measuring
31
×
30
mm
in
the
right
adnexa
area
on
a
computed
tomography
scan
.
The
tumor
showed
the
typical
histology
of
hemangioblastoma
.
Tumor
was
composed
of
numerous
capillaries
and
stromal
cells
with
cytoplasmic
vacuolization
.
Immunohistochemical
study
revealed
that
the
tumor
stromal
cells
were
positive
for
CD
5
6
,
S-
100
protein
,
NSE
,
Syn
,
CgA
,
and
inhibin-α
.
Focal
EMA
positivity
was
present
.
Ki-
67
expression
was
found
in
approximately
1
%
of
tumor
cells
.
The
tumor
cells
were
negative
for
CK
,
HMB-
45
,
Melan-
A
,
SMA
,
and
CD
68
.
The
differential
diagnosis
of
Hemangioblastoma
arising
in
pelvic
cavity
includes
hemangioma
,
hemangioendothelioma
,
liposarcoma
,
renal
cell
carcinoma
,
fat-forming
solitary
fibrous
tumor
,
paraganglioma
,
and
perivascular
epithelioid
cell
tumor
(
PEComa
)
.
Diseases
Validation
Diseases presenting
"tumor cells"
symptom
alpha-thalassemia
carcinoma of the gallbladder
cholangiocarcinoma
cushing syndrome
dedifferentiated liposarcoma
dentin dysplasia
esophageal adenocarcinoma
esophageal carcinoma
esophageal squamous cell carcinoma
hodgkin lymphoma, classical
junctional epidermolysis bullosa
kindler syndrome
liposarcoma
lymphangioleiomyomatosis
pleomorphic liposarcoma
primary effusion lymphoma
severe combined immunodeficiency
triple a syndrome
von hippel-lindau disease
waldenström macroglobulinemia
well-differentiated liposarcoma
werner syndrome
wiskott-aldrich syndrome
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