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Worldwide SPECT market expected to top $1.5B by 2021

The global SPECT market is projected to grow to $1.5 billion U.S. (1.4 billion...Read more on AuntMinnie.comRelated Reading: U.S. SPECT, PET radiopharma market shows promise amid challenges Report: U.S. SPECT, PET market looks promising in coming years
Source: AuntMinnie.com Headlines - Category: Radiology Source Type: news

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AbstractObjectiveImage segmentation is an essential step in quantifying the extent of reduced or absent lung function. The aim of this study is to develop and validate a new tool for automatic segmentation of lungs in ventilation and perfusion SPECT images and compare automatic and manual SPECT lung segmentations with reference computed tomography (CT) volumes.MethodsA total of 77 subjects (69 patients with obstructive lung disease, and 8 subjects without apparent perfusion of ventilation loss) performed low-dose CT followed by ventilation/perfusion (V/P) SPECT examination in a hybrid gamma camera system. In the training p...
Source: Annals of Nuclear Medicine - Category: Nuclear Medicine Source Type: research
Conclusion: The simulation and the clinical studies showed that the new approach could be better performance than DEW, TEW methods, according to values of the contrast, and the SNR for scatter correction.
Source: Journal of Cancer Research and Therapeutics - Category: Cancer & Oncology Authors: Source Type: research
Radiology, Ahead of Print.
Source: Radiology - Category: Radiology Authors: Source Type: research
In this study, we hypothesised that thalamic dopaminergic function would be altered in subjects with EDS and we sought to investigate this by assessing [123I]FP-CIT Single Photon Emission Computed Tomography (SPECT) data, which is a molecular imaging marker of dopamine transporter (DAT).
Source: Sleep Medicine - Category: Sleep Medicine Authors: Tags: Original Article Source Type: research
We aimed to evaluate the diagnostic performance of 99mTc-MIBI SPECT/CT and ultrasonography in patients with secondary hyperparathyroidism (SHPT), and explored the factors that affect the diagnostic performance.
Source: BMC Medical Imaging - Category: Radiology Authors: Tags: Research article Source Type: research
CONCLUSIONS: Because of the low positive predictive value of myocardial perfusion SPECT, utilization of the technique in the workup of cardiac patients undergoing noncardiac surgery has been inappropriate. Myocardial perfusion SPECT should be restricted to only clearly defined appropriate use criteria.  LIMITATIONS: Relatively small number of patients and retrospective design.   
Source: Annals of Saudi Medicine - Category: General Medicine Tags: ISSUE 6 Source Type: research
AbstractMyocardial perfusion-single-photon emission computed tomography (MP-SPECT) is used to evaluate microvascular dysfunction and coexisting coronary artery disease in patients with hypertrophic cardiomyopathy (HCM). Phase analysis in gated MP-SPECT can provide additional information on left ventricular (LV) dyssynchrony, while the extent of late gadolinium enhancement (LGE) on cardiac magnetic resonance (CMR) imaging is an important prognostic factor in patients with HCM. We, therefore, sought to investigate the relationship of dyssynchrony by phase analysis on gated MP-SPECT and LGE on CMR imaging in 22 patients with ...
Source: Heart and Vessels - Category: Cardiology Source Type: research
AbstractGATE is currently considered in scintigraphic imaging as a powerful tool to develop, design and optimize nuclear medicine modalities. This paper describes the GATE simulation of a pixelated gamma camera which is dedicated to high resolution of small animals imaging. It consists of a CsI(Na) crystal array coupled to position sensitive photomultiplier tube. The simulation model includes photon tracking through low energy high resolution hexagonal parallel holes collimator, CsI(Na) pixelated crystal, back-compartment, and camera shielding. Simulations were compared with experimental results by some criteria such as en...
Source: Australasian Physical and Engineering Sciences in Medicine - Category: Biomedical Engineering Source Type: research
For patients awaiting renal transplantation, there is guideline consensus on the need for ischemia testing but no agreement on the frequency of repeat testing. Moreover, there are no data in this population evaluating changes in ischemia when assessed with serial myocardial perfusion imaging. Consecutive ESRD patients (n=649) were referred for cardiovascular risk stratification prior to renal transplantation between September 2007 and September 2013. Of these, 151 (54 ± 9 years, male 63%) underwent two stress-rest technetium-99m SPECT studies with CT attenuation correction in accordance with regional guidelines, whi...
Source: The American Journal of Cardiology - Category: Cardiology Authors: Source Type: research
Neuronal intranuclear inclusion disease (NIID) is a neurodegenerative disease characterized by eosinophilic hyaline intranuclear inclusions in cells in the central, peripheral, and autonomic nervous system and visceral organs. Although clinical diagnosis was difficult until recently, an increasing number of adult cases of leukoencephalopathy have been diagnosed antemortem with NIID based on the characteristic hyperintensity in the corticomedullary junction on diffusion-weighted imaging (DWI) and confirmatory skin biopsy.1 While adult-onset NIID is characterized by slowly progressive dementia, it may also present with acute...
Source: Neurology Clinical Practice - Category: Neurology Authors: Tags: MRI, SPECT, DWI, All Cognitive Disorders/Dementia Case Source Type: research
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