First question: is this Octreotide scan normal or abnormal?
Second question: if abnormal - where?
Third question: If and where abnormal, then due to what most likely?
Let's start the game...
OK, we got some winners!
1. The first question should be very easy - otherwise I would not ask the other questions! ;-)
2. There are several foci of abnormal uptake in the liver - best appreciated on the 24 hour images.
3. These are mets from a carcinoid tumor, which is a neuroendocrine tumor.
Octreotide is a somatostatin analog and has a high affinity to somatostatin receptors. Therefore it is an ideal tracer to label tumors with high somatostatin receptor concentration.
Octreotide is labeled with Indium-111 for imaging.
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