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An adrenal incidentaloma: how often is it detected and what are the consequences?
[adrenal incidentaloma]
Objectives
.
The
aim
of
this
study
was
to
investigate
the
detection
rate
of
adrenal
incidentalomas
and
subsequent
workup
.
Design
.
Retrospective
cohort
study
.
Methods
.
Two
investigators
evaluated
the
adrenals
on
abdominal
CT
scans
.
Abnormalities
were
compared
to
the
original
radiology
reports
and
an
experienced
abdominal
radiologist
reviewed
the
CT
scans
.
All
additional
imaging
and
laboratory
tests
were
assessed
.
Results
.
The
investigators
detected
44
/
356
adrenal
incidentalomas
(
12
%
)
.
In
25
patients
an
adrenal
incidentaloma
had
been
noted
in
the
radiology
report
.
The
expert
radiologist
agreed
on
19
incidentalomas
in
17
patients
,
two
with
bilateral
incidentalomas
.
Of
the
25
incidentaloma
patients
,
4
(
16
%
)
patients
were
screened
for
hormonal
overproduction
and
2
(
8
%
)
patients
had
follow-up
imaging
studies
.
Conclusions
.
12
%
of
the
patients
had
an
adrenal
incidentaloma
(
42
of
356
)
.
17
(
40
%
)
had
initially
not
been
reported
by
the
radiologist
.
When
diagnosed
with
an
adrenal
incidentaloma
,
only
a
small
percentage
of
patients
(
16
%
)
is
screened
or
undergoes
repeated
imaging
(
8
%
)
as
proposed
in
the
National
Institutes
of
Health
(
NIH
)
guidelines
on
adrenal
incidentalomas
.
