Liver and Spleen Flashcards
1
Q
indications for liver and spleen
A
- chronic liver disease (cirrhosis)
- focal nodular hyperplasia (FTH)
- splenosis
2
Q
RP and dose
A
99mTc-SC
111-370 MBq IV
3
Q
method of localization
A
phagocytosis
4
Q
normal biodistribution of SC
A
85% liver
10% spleen
5% bone marrow
5
Q
image from injection to imaging
A
10-20 mins
6
Q
normal appearance
A
homogenous uptake in liver and spleen, faint bone marrow
7
Q
normal variants
A
- photogenic defect due to porta hepatis
- variation in liver shape
- marginal indentations (due to GB, lateral rib margins, diploid process, heart, supra hepatic veins, R kidney, thoracic abnormalities)
8
Q
what is colloid shift?
A
enlarged spleen and increased uptake in spleen and bone marrow due to liver dysfunction
9
Q
A