Rare Diseases Symptoms Automatic Extraction
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Role of (99m)Tc-MDP bone scan in the diagnosis of Erdheim-Chester disease.
[erdheim-chester disease]
Erdheim-
Chester
disease
(
ECD
)
is
a
rare
systemic
non-
Langerhans
cell
histiocytosis
.
It
is
a
progressive
disease
of
unknown
etiology
.
The
(
99
m
)
technetium-methylene
diphosphonate
(
(
99
m
)
Tc-
MDP
)
bone
scan
is
useful
in
finding
the
sites
of
involvement
in
the
skeleton
and
is
helpful
in
excluding
other
causes
of
bony
pain
.
Also
a
scintigraphic
pattern
consistent
with
ECD
should
alert
the
physician
to
evaluate
the
patient
for
visceral
sites
of
involvement
using
fludeoxyglucose
positron
emission
tomography
/
computed
tomography
(
FDG
PET
/
CT
)
,
as
this
is
known
to
be
fatal
at
times
.
