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Tuesday, January 8, 2008
70-year-old male was admitted because of changes in his mental status. A chest CT performed during admission demonstrated a left upper lobe mass. Radionuclide bone imaging subsequently was performed to assess for osseous metastatic involvement.
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Review the nuclear medicine study below. Identify the tracer used and the primary mode of excretion.
A
67Ga-citrate; hepatobiliary
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111In-pentetreotide (Octreoscan®); hepatobiliary
C
99mTc-exametazime (HMPAO) labeled leukocytes; renal
D
99mTc-methylene diphosphonate (MDP); renal
Explanation
Figure
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