Nucl Med Mol Imaging.
2007 Aug;41(4):337-338.
Incidental Detection of a Pseudoaneurysm at an Amputation Stump in a Tc-99m HMPAO Labeled Leukocyte Scan
- Affiliations
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- 1Department of Nuclear Medicine and Research Institute of Clinical Medicine, Chonbuk National University Medical School, Jeonju, Jeonbuk, Korea. mhsohn@chonbuk.ac.kr
Abstract
- A 20-year-old man underwent a Tc-99m HMPAO labeled leukocyte scan for the evaluation of an infection at the stump of an AK amputation, which was conducted due to an open communicated fracture of the left lower leg. Blood-flow and blood-pool images demonstrated a pseudoaneurysm with a focus of intense activity medial to the stump, and centered within a large photopenic defect by surrounding hematoma. Delayed image obtained at 3 hours post-injection showed persistent intense and slight increased activity. Contrast angiography confirmed the presence of a pseudoaneurysm arising from a branch of the left superficial femoral artery.
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