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Indium-111 labeled leukocyte uptake: false-positive results in noninfected pseudoaneurysms

Journal Article · · Radiology; (United States)

Indium-111 (In-111) leukocyte scintigraphy was performed in two patients with postsurgical pseudoaneurysms as part of preoperative evaluation for evidence of graft infection. Despite positive In-111 uptake by the pseudoaneurysms, surgical and pathologic examinations failed to reveal any evidence of infection. The most likely explanation for the false-positive results is the labeling of contaminating platelets and erythrocytes in the leukocyte mixture. Caution must be exercised in interpretation of In-111 leukocyte scans in patients with postsurgical pseudoaneurysms.

Research Organization:
Seattle Veterans Administration Medical Center, WA
OSTI ID:
5206056
Journal Information:
Radiology; (United States), Journal Name: Radiology; (United States) Vol. 3; ISSN RADLA
Country of Publication:
United States
Language:
English