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A rare adrenal incidentaloma: adrenal schwannoma.
[adrenal incidentaloma]
Adrenal
schwannoma
is
an
extremely
uncommon
cause
of
incidentaloma
.
It
originates
from
neural
sheath
Schwann
cells
of
the
adrenal
gland
.
We
report
the
case
of
a
left
adrenal
schwannoma
incidentally
discovered
in
a
32
-
year
-old
woman
during
examination
of
bloated
feeling
and
stomach
ache
.
The
patient
was
incidentally
found
to
have
a
left
adrenal
mass
of
9
cm
on
abdominal
ultrasonography
.
Computed
tomography
(
CT
)
of
the
abdomen
and
[
(
18
)
F
]
fluorodeoxyglucose
positron
emission
tomography
(
PET
)
were
also
performed
.
Metabolic
evaluation
was
unremarkable
.
Due
to
the
large
size
of
the
tumor
,
left
adrenalectomy
was
performed
.
The
postoperative
course
was
uneventful
.
Histological
examination
established
the
diagnosis
of
schwannoma
.
This
diagnosis
was
supported
by
immunohistochemistry
of
S-
100
and
vimentin
positivity
.
In
conclusion
,
adrenal
schwannoma
is
an
extremely
rare
entity
and
can
grow
considerably
in
size
.
The
present
case
report
emphasizes
that
clinicians
should
be
aware
of
the
possibility
of
retroperitoneal
schwannoma
.
Total
excision
of
benign
schwannoma
is
associated
with
a
favorable
outcome
.
To
our
knowledge
,
there
are
case
reports
of
schwannoma
with
CT
and
magnetic
resonance
imaging
findings
in
the
literature
,
although
this
is
the
first
schwannoma
case
with
PET-
CT
imaging
.
Diseases
Validation
Diseases presenting
"schwannoma"
symptom
adrenal incidentaloma
cushing syndrome
kallmann syndrome
liposarcoma
thoracic outlet syndrome
well-differentiated liposarcoma
This symptom has already been validated
