<s>
An	O
octreotide	B-Algorithm
scan	I-Algorithm
is	O
a	O
type	O
of	O
SPECT	O
scintigraphy	O
used	O
to	O
find	O
carcinoid	O
,	O
pancreatic	O
neuroendocrine	O
tumors	O
,	O
and	O
to	O
localize	O
sarcoidosis	O
.	O
</s>
<s>
It	O
is	O
also	O
called	O
somatostatin	B-Algorithm
receptor	I-Algorithm
scintigraphy	I-Algorithm
(	O
SRS	O
)	O
.	O
</s>
<s>
A	O
technetium-99m	O
based	O
radiopharmaceutical	B-Algorithm
kit	O
is	O
also	O
available	O
.	O
</s>
<s>
Thus	O
,	O
the	O
octreotide	B-Algorithm
scan	I-Algorithm
is	O
now	O
being	O
replaced	O
in	O
most	O
centers	O
with	O
gallium-68	O
DOTATATE	O
and	O
copper-64	O
DOTATATE	O
scans	O
.	O
</s>
<s>
An	O
octreotide	B-Algorithm
scan	I-Algorithm
may	O
be	O
used	O
to	O
locate	O
suspected	O
primary	O
neuroendocrine	O
tumours	O
(	O
NET	O
)	O
or	O
for	O
follow-up	O
or	O
staging	O
after	O
treatment	O
.	O
</s>
<s>
The	O
indium-111	B-Algorithm
pentetreotide	I-Algorithm
radiopharmaceutical	B-Algorithm
is	O
prepared	O
from	O
a	O
kit	O
in	O
a	O
radiopharmacy	O
.	O
</s>
