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1. For lymphoscintigraphy
in patients with melanoma, the radiopharmaceutical is injected...?:
Intramuscularly
Intravenously
Intradermally
Subcutaneously
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2. The
ideal radiopharmaceutical for lymphoscintigraphy is...?:
Tc-SC
incubated for 1 hr at 20ºC,
then filtered
Tc-SC
incubated for 1 hr at 20ºC,
not filtered
Tc-SC
heated to 100ºC,
not filtered
Tc-SC
heated to 100ºC,
then filtered
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3. Which
one of the following is NOT an indication for performing a Lymphoscintigraphy
study...?:
Identification of primary breast
tumors
Localizing
the sentinel node draining a breast tumor
Localizing
the drainage pattern of an excised melanoma
Localizing
the internal mammary nodes
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4.
The
correct activity to use for lymphoscintigraphy of melanoma is...?:
Single
1-mCi injection 3 cm below melanoma site
Single
1-mCi injection 3 cm above melanoma site
6
separate injections, 1 mCi each, around site of melanoma
6
separate injections, 0.1 mCi each, around site of melanoma
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5.
The ideal particle size to use
for high quality lymphoscintigraphy studies is
?:
~100 mm
~10
mm
~1
mm
~0.1
mm
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6. In
a comparison of deep vs surface injections for breast lymphoscintigraphy,?:
Deep
injections are more painful and more prone to failure
Deep
injections are less painful and more prone to failure
Deep
injections are more painful but less prone to failure
Deep
injections are less painful and less prone to failure
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7. Migration
of the colloid is typically FIRST seen...?:
As
early as 15 min post injection
As
early as 60 min post injection
As
early as 2 hr post injection
As
early as 6 hr post injection
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8.
Lymphoscintigraphy with Tc-SC may be performed using
?:
A
PET Scanner
A
properly calibrated thyroid uptake probe
A
single head gamma camera
A
sterilized intraoperative probe
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9.
Particle
size distribution is most optimal for Tc-SC...?:
Prepared
in a boiling water bath
Prepared
by room temperature incubation
Prepared in a microwave oven
Method of preparation is irrelevant
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10. For visualization of the internal mammary node chain,
the radiopharmaceutical is injected?:
Intramuscularly
Intravenously
Intradermally
Interstitially
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