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- Bozkurt, Murat Fani, et al.
(författare)
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Guideline for PET/CT imaging of neuroendocrine neoplasms with Ga-68-DOTA-conjugated somatostatin receptor targeting peptides and F-18-DOPA
- 2017
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Ingår i: European Journal of Nuclear Medicine and Molecular Imaging. - : SPRINGER. - 1619-7070 .- 1619-7089. ; 44:9, s. 1588-1601
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Tidskriftsartikel (refereegranskat)abstract
- Purpose & Methods Neuroendocrine neoplasms are a heterogenous group of tumours, for which nuclear medicine plays an important role in the diagnostic work-up as well as in the targeted therapeutic options. This guideline is aimed to assist nuclear medicine physicians in recommending, performing, reporting and interpreting the results of somatostatin receptor (SSTR) PET/CT imaging using Ga-68-DOTA-conjugated peptides, as well as F-18-DOPA imaging for various neuroendocrine neoplasms. Results & Conclusion The previous procedural guideline by EANM regarding the use PET/CT tumour imaging with Ga-68-conjugated peptides has been revised and updated with the relevant and recent literature in the field with contribution of distinguished experts.
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- Sanchez-Crespo, Alejandro, et al.
(författare)
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Predictive value of [(18)F]-fluoride PET for monitoring bone remodeling in patients with orthopedic conditions treated with a Taylor spatial frame
- 2017
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Ingår i: European Journal of Nuclear Medicine and Molecular Imaging. - : Springer Science and Business Media LLC. - 1619-7070 .- 1619-7089. ; 44:3, s. 441-448
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Tidskriftsartikel (refereegranskat)abstract
- PURPOSE: The Taylor Spatial Frame (TSF) is used to correct orthopedic conditions such as correction osteotomies in delayed fracture healing and pseudarthrosis. Long-term TSF-treatments are common and may lead to complications. Current conventional radiological methods are often unsatisfactory for therapy monitoring. Hence, an imaging technique capable of quantifying bone healing progression would be advantageous.METHODS: A cohort of 24 patients with different orthopedic conditions, pseudarthrosis (n = 10), deformities subjected to correction osteotomy (n = 9), and fracture (n = 5) underwent dynamic [(18)F]-fluoride (Na(18)F) PET/CT at 8 weeks and 4 months, respectively, after application of a TSF. Parametric images, corresponding to the net transport rate of [(18)F]-fluoride from plasma to bone, K i were calculated. The ratio of the maximum K i at PET scan 2 and 1 ([Formula: see text]) as well as the ratio of the maximum Standard Uptake Value at PET scan 2 and 1 ([Formula: see text]) were calculated for each individual. Different treatment end-points were scored, and the overall treatment outcome score was compared with the osteoblastic activity progression as scored with [Formula: see text] or [Formula: see text].RESULTS: [Formula: see text] and [Formula: see text] were not correlated within each orthopedic group (p > 0.1 for all groups), nor for the pooled population (p = 0.12). The distribution of [Formula: see text] was found significantly different among the different orthopedic groups (p = 0.0046) -also for [Formula: see text] (p = 0.022). The positive and negative treatment predictive values for [Formula: see text] were 66.7 % and 77.8 %, respectively. Corresponding values for [Formula: see text] were 25 % and 33.3 % CONCLUSIONS: The [Formula: see text] obtained from dynamic [(18)F]-fluoride-PET imaging is a promising predictive factor to evaluate changes in bone healing in response to TSF treatment.
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