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In Vivo Visualizati...
In Vivo Visualization of Amyloid Deposits in the Heart with C-11-PIB and PET
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- Antoni, Gunnar (author)
- Uppsala universitet,Plattformen för preklinisk PET
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- Lubberink, Mark (author)
- Uppsala universitet,Enheten för nuklearmedicin och PET
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- Estrada, Sergio (author)
- Uppsala universitet,Plattformen för preklinisk PET
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- Axelsson, Jan (author)
- Umeå universitet,Radiofysik
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- Carlson, Kristina (author)
- Uppsala universitet,Hematologi
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Lindsjö, Lars (author)
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- Kero, Tanja (author)
- Uppsala universitet,Enheten för nuklearmedicin och PET
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- Långström, Bengt (author)
- Uppsala universitet,Institutionen för biokemi och organisk kemi
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- Granstam, Sven-Olof, 1963- (author)
- Uppsala universitet,Klinisk fysiologi
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- Rosengren, Sara (author)
- Uppsala universitet,Hematologi
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- Vedin, Ola (author)
- Uppsala universitet,Institutionen för medicinska vetenskaper,Uppsala kliniska forskningscentrum (UCR),kardiologi
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- Wassberg, Cecilia (author)
- Uppsala universitet,Enheten för nuklearmedicin och PET
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- Wikström, Gerhard (author)
- Uppsala universitet,Kardiologi
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- Westermark, Per (author)
- Uppsala universitet,Molekylär och morfologisk patologi
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- Sörensen, Jens (author)
- Uppsala universitet,Enheten för nuklearmedicin och PET
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(creator_code:org_t)
- 2012-12-13
- 2013
- English.
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In: Journal of Nuclear Medicine. - : Society of Nuclear Medicine. - 0161-5505 .- 1535-5667 .- 2159-662X. ; 54:2, s. 213-220
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Abstract
Subject headings
Close
- Cardiac amyloidosis is a differential diagnosis in heart failure and is associated with high mortality. There is currently no noninvasive imaging test available for specific diagnosis. N-[methyl-C-11]2-(4'-methylamino-phenyl)-6-hydroxybenzothiazole (C-11-PIB) PET is used in the evaluation of brain amyloidosis. We evaluated the potential use of C-11-PIB PET in systemic amyloidosis affecting the heart. Methods: Patients (n = 10) diagnosed with systemic amyloidosis-including heart involvement of either monoclonal immunoglobulin light-chain (AL) or transthyretin (ATTR) type- and healthy volunteers (n = 5) were investigated with PET/CT using C-11-PIB to study cardiac amyloid deposits and with C-11-acetate to measure myocardial blood flow to study the impact of global and regional perfusion on PIB retention. Results: Myocardial C-11-PIB uptake was visually evident in all patients 15-25 min after injection and was not seen in any volunteer. A significant difference in C-11-PIB retention in the heart between patients and healthy controls was found. The data indicate that myocardial amyloid deposits in patients diagnosed with systemic amyloidosis could be visualized with C-11-PIB. No correlation between C-11-PIB retention index and myocardial blood flow as measured with C-11-acetate was found on the global level, whereas a positive correlation on the segmental level was seen in a single patient. Conclusion: C-11-PIB and PET could be a method to study systemic amyloidosis of type AL and ATTR affecting the heart and should be investigated further both as a diagnostic tool and as a noninvasive method for treatment follow-up.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Kardiologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Cardiac and Cardiovascular Systems (hsv//eng)
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Radiologi och bildbehandling (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Radiology, Nuclear Medicine and Medical Imaging (hsv//eng)
Keyword
- amyloid
- PET imaging
- C-11-PIB
- C-11-acetate
- transthyretin
- systemic amyloidosis
- myocardial blood flow
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Antoni, Gunnar
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Lubberink, Mark
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Estrada, Sergio
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Axelsson, Jan
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Carlson, Kristin ...
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Lindsjö, Lars
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show more...
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Kero, Tanja
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Långström, Bengt
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Granstam, Sven-O ...
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Rosengren, Sara
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Vedin, Ola
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Wassberg, Cecili ...
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Wikström, Gerhar ...
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Westermark, Per
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Sörensen, Jens
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- About the subject
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- MEDICAL AND HEALTH SCIENCES
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MEDICAL AND HEAL ...
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and Clinical Medicin ...
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and Cardiac and Card ...
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- MEDICAL AND HEALTH SCIENCES
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MEDICAL AND HEAL ...
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and Clinical Medicin ...
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and Radiology Nuclea ...
- Articles in the publication
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Journal of Nucle ...
- By the university
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Umeå University
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Uppsala University