Lieuwe Appel

Quantitation of mitral regurgitation using positron emission tomography

Sigfridsson, Jonathan; Baron, Tomasz; Bergsten, Johannes; Harms, Hendrik J. et al.

Part of EJNMMI Research, 2024

• DOI for Quantitation of mitral regurgitation using positron emission tomography
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Evaluation of [¹¹C]UCB-A positron emission tomography in human brains

Xiong, Mengfei; Lubberink, Mark; Appel, Lieuwe; Fang, Xiaotian Tsong et al.

Part of EJNMMI Research, 2024

• DOI for Evaluation of [¹¹C]UCB-A positron emission tomography in human brains
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Comparison of quantitative [11C]PE2I brain PET studies between an integrated PET/MR and a stand-alone PET system

Sousa, Joao M.; Appel, Lieuwe; Engstrom, Mathias; Nyholm, Dag et al.

Part of Physica medica (Testo stampato), 2024

• DOI for Comparison of quantitative [11C]PE2I brain PET studies between an integrated PET/MR and a stand-alone PET system
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Striatal dopamine transporter and receptor availability correlate with relative cerebral blood flow measured with [¹¹C]PE2I, [¹⁸F]FE-PE2I and [¹¹C]raclopride PET in healthy individuals

Jonasson, My; Frick, Andreas; Fazio, Patrik; Hjorth, Olof et al.

Part of Journal of Cerebral Blood Flow and Metabolism, p. 1206-1215, 2023

• DOI for Striatal dopamine transporter and receptor availability correlate with relative cerebral blood flow measured with [¹¹C]PE2I, [¹⁸F]FE-PE2I and [¹¹C]raclopride PET in healthy individuals

Image-derived input functions from dynamic O-15-water PET scans using penalised reconstruction

Young, Peter; Appel, Lieuwe; Tolf, Andreas; Kosmidis, Savvas et al.

Part of EJNMMI Physics, 2023

• DOI for Image-derived input functions from dynamic O-15-water PET scans using penalised reconstruction
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Quantitation of mitral regurgitation using positron emission tomography

Sigfridsson, Jonathan; Baron, Tomasz; Bergsten, Johannes; Harms, Hendrik J. et al.

Part of EJNMMI Research, 2024

• DOI for Quantitation of mitral regurgitation using positron emission tomography
• Download full text (pdf) of Quantitation of mitral regurgitation using positron emission tomography

Evaluation of [¹¹C]UCB-A positron emission tomography in human brains

Xiong, Mengfei; Lubberink, Mark; Appel, Lieuwe; Fang, Xiaotian Tsong et al.

Part of EJNMMI Research, 2024

• DOI for Evaluation of [¹¹C]UCB-A positron emission tomography in human brains
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Comparison of quantitative [11C]PE2I brain PET studies between an integrated PET/MR and a stand-alone PET system

Sousa, Joao M.; Appel, Lieuwe; Engstrom, Mathias; Nyholm, Dag et al.

Part of Physica medica (Testo stampato), 2024

• DOI for Comparison of quantitative [11C]PE2I brain PET studies between an integrated PET/MR and a stand-alone PET system
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Striatal dopamine transporter and receptor availability correlate with relative cerebral blood flow measured with [¹¹C]PE2I, [¹⁸F]FE-PE2I and [¹¹C]raclopride PET in healthy individuals

Jonasson, My; Frick, Andreas; Fazio, Patrik; Hjorth, Olof et al.

Part of Journal of Cerebral Blood Flow and Metabolism, p. 1206-1215, 2023

• DOI for Striatal dopamine transporter and receptor availability correlate with relative cerebral blood flow measured with [¹¹C]PE2I, [¹⁸F]FE-PE2I and [¹¹C]raclopride PET in healthy individuals

Image-derived input functions from dynamic O-15-water PET scans using penalised reconstruction

Young, Peter; Appel, Lieuwe; Tolf, Andreas; Kosmidis, Savvas et al.

Part of EJNMMI Physics, 2023

• DOI for Image-derived input functions from dynamic O-15-water PET scans using penalised reconstruction
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Composite attenuation correction method using a ⁶⁸Ge-transmission multi-atlas for quantitative brain PET/MR.

Sousa, Joao M.; Appel, Lieuwe; Engström, Mathias; Papadimitriou, Stergios et al.

Part of Physica medica (Testo stampato), p. 36-43, 2022

• DOI for Composite attenuation correction method using a ⁶⁸Ge-transmission multi-atlas for quantitative brain PET/MR.
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Cerebral blood flow measurements with ¹⁵O-water PET using a non-invasive machine-learning-derived arterial input function

Kuttner, Samuel; Wickstrøm, Kristoffer Knutsen; Lubberink, Mark; Tolf, Andreas et al.

Part of Journal of Cerebral Blood Flow and Metabolism, p. 2229-2241, 2021

• DOI for Cerebral blood flow measurements with ¹⁵O-water PET using a non-invasive machine-learning-derived arterial input function
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Evaluation of Arterial Spin Labeling MRI: Comparison with ¹⁵O-Water PET on an Integrated PET/MR Scanner

Fahlström, Markus; Appel, Lieuwe; Kumlien, Eva; Danfors, Torsten et al.

Part of Diagnostics (Basel), 2021

• DOI for Evaluation of Arterial Spin Labeling MRI: Comparison with ¹⁵O-Water PET on an Integrated PET/MR Scanner
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Accuracy and precision of zero-echo-time, single- and multi-atlas attenuation correction for dynamic [¹¹C]PE2I PET-MR brain imaging

Sousa, João M.; Appel, Lieuwe; Merida, Inés; Heckemann, Rolf A. et al.

Part of EJNMMI Physics, 2020

• DOI for Accuracy and precision of zero-echo-time, single- and multi-atlas attenuation correction for dynamic [¹¹C]PE2I PET-MR brain imaging
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Evaluation of zero-echo-time attenuation correction for integrated PET/MR brain imaging-comparison to head atlas and ⁶⁸Ge-transmission-based attenuation correction

Sousa, João M.; Appel, Lieuwe; Engström, Mathias; Papadimitriou, Stergios et al.

Part of EJNMMI Physics, 2018

• DOI for Evaluation of zero-echo-time attenuation correction for integrated PET/MR brain imaging-comparison to head atlas and ⁶⁸Ge-transmission-based attenuation correction
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Association between amygdala neurokinin-1 receptor availability and anxiety-related personality traits

Motilla Hoppe, Johanna; Frick, Andreas; Åhs, Fredrik; Linnman, Clas et al.

Part of Translational Psychiatry, p. 168, 2018

• DOI for Association between amygdala neurokinin-1 receptor availability and anxiety-related personality traits
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Blood Flow Dependence of Early [C-11]PE2I and [F-18]FE-PE2I PET SUVR Measurements Used In the Differential Diagnosis of Parkinsonian Disorders

Jonasson, My; Langaas, G.; Appel, Lieuwe; Danfors, Torsten et al.

Part of European Journal of Nuclear Medicine and Molecular Imaging, 2018

Quantitative accuracy of ¹⁵O-water cerebral blood flow images based on penalized likelihood reconstruction

Sousa, Joao; Appel, Lieuwe; Fang, Xiaotian T.; Engström, M. et al.

Part of European Journal of Nuclear Medicine and Molecular Imaging, 2018

• DOI for Quantitative accuracy of ¹⁵O-water cerebral blood flow images based on penalized likelihood reconstruction

Differential diagnosis of patients with parkinsonian syndrome using multilinear regression to disease-specific C-11-PE2I-PET templates and classification tree learning

Lubberink, Mark; Widström, Charles; Jonasson, My; Appel, Lieuwe et al.

Part of European Journal of Nuclear Medicine and Molecular Imaging, 2018

Visualization of painful inflammation in patients with pain after traumatic ankle sprain using [(11)C]-D-deprenyl PET/CT.

Aarnio, Mikko; Appel, Lieuwe; Fredriksson, Mats; Gordh, Torsten et al.

Part of Scandinavian Journal of Pain, p. 418-424, 2017

• DOI for Visualization of painful inflammation in patients with pain after traumatic ankle sprain using [(11)C]-D-deprenyl PET/CT.

Development of a clinically feasible [11C]PE2I PET method for differential diagnosis of parkinsonism using reduced scan duration and automated reference region extraction.

Jonasson, My; Appel, Lieuwe; Danfors, Torsten; Nyholm, Dag et al.

Part of American Journal of Nuclear Medicine and Molecular Imaging, p. 263-274, 2017

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Tracer kinetic analysis of the SV2A ligand ¹¹C-UCBA as a PET marker for synaptic density in humans

Lubberink, Mark; Appel, Lieuwe; Gaging, Johannes; Lindskog, Karolina et al.

Part of Journal of Nuclear Medicine, 2017

Validation of an image derived input function estimation method on PET/MR

Khalighi, Mohammad Mehdi; Engström, Mathias; Fan, Audrey; Gulaka, Praveen et al.

Part of Journal of Nuclear Medicine, 2017

Correlation between regional cerebral blood flow based on simultaneously acquired arterial spin labelling MRI and ¹⁵O-water-PET using zero-echo-time-based attenuation correction

Fahlström, Markus; Lindskog, Karolina; Appel, Lieuwe; Engström, Mathias et al.

Part of Journal of Nuclear Medicine, 2017

Validation of an image-derived input function method for O-15-water PET/MR brain scans

Lubberink, Mark; Khalighi, M. M.; Appel, Lieuwe; Engstrom, M. et al.

Part of Journal of Cerebral Blood Flow and Metabolism, p. 80-81, 2017

Quantitative assessment of synaptic density using the SV2A ligand C-11-UCBA in humans

Lubberink, Mark; Appel, Lieuwe; Lindskog, K.; Danfors, Torsten et al.

Part of Journal of Cerebral Blood Flow and Metabolism, p. 74-74, 2017

Decreased Brain Neurokinin-1 Receptor Availability in Chronic Tennis Elbow

Linnman, Clas; Catana, Ciprian; Svärdsudd, Kurt; Appel, Lieuwe et al.

Part of PLOS ONE, 2016

• DOI for Decreased Brain Neurokinin-1 Receptor Availability in Chronic Tennis Elbow
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Validation of Zero-Echo Time PET-MR against stand-alone PET using dynamic dopamine transporter imaging

Sousa, Joao M.; Appel, Lieuwe; Papadimitriou, S.; Nyholm, Dag et al.

Part of European Journal of Nuclear Medicine and Molecular Imaging, 2016

Overlapping expression of serotonin transporters and neurokinin-1 receptors in posttraumatic stress disorder: a multi-tracer PET study

Frick, Andreas; Åhs, Fredrik; Michelgård Palmquist, Åsa; Pissiota, Anna et al.

Part of Molecular Psychiatry, p. 1400-1407, 2016

• DOI for Overlapping expression of serotonin transporters and neurokinin-1 receptors in posttraumatic stress disorder: a multi-tracer PET study

Serotonin synthesis rate and the tryptophan hydroxylase-2: G-703T polymorphism in social anxiety disorder.

Furmark, Tomas; Marteinsdottir, Ina; Frick, Andreas; Heurling, Kerstin et al.

Part of Journal of Psychopharmacology, p. 1028-1035, 2016

• DOI for Serotonin synthesis rate and the tryptophan hydroxylase-2: G-703T polymorphism in social anxiety disorder.

Reduced serotonin synthesis and regional cerebral blood flow after anxiolytic treatment of social anxiety disorder

Frick, Andreas; Åhs, Fredrik; Appel, Lieuwe; Jonasson, My et al.

Part of European Neuropsychopharmacology, p. 1775-1783, 2016

• DOI for Reduced serotonin synthesis and regional cerebral blood flow after anxiolytic treatment of social anxiety disorder

Alterations in the serotonergic and substance P systems in posttraumatic stress disorder

Frick, Anderas; Åhs, Fredrik; Palmquist, Åsa M.; Pissiota, A. et al.

Part of Molecular Psychiatry, p. 1323-1323, 2016

• DOI for Alterations in the serotonergic and substance P systems in posttraumatic stress disorder

Increased neurokinin-1 receptor availability in the amygdala in social anxiety disorder: a positron emission tomography study with [(11)C]GR205171

Frick, Andreas; Åhs, Fredrik; Linnman, Clas; Jonasson, My et al.

Part of Translational Psychiatry, 2015

• DOI for Increased neurokinin-1 receptor availability in the amygdala in social anxiety disorder: a positron emission tomography study with [(11)C]GR205171
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Serotonin Synthesis and Reuptake in Social Anxiety Disorder: A Positron Emission Tomography Study.

Frick, Andreas; Åhs, Fredrik; Engman, Jonas; Jonasson, My et al.

Part of JAMA psychiatry, p. 794-802, 2015

• DOI for Serotonin Synthesis and Reuptake in Social Anxiety Disorder: A Positron Emission Tomography Study.

Use of C-11-PE2I PET in Differential Diagnosis of Parkinsonian Disorders

Appel, Lieuwe; Jonasson, My; Danfors, Torsten; Nyholm, Dag et al.

Part of Journal of Nuclear Medicine, p. 234-242, 2015

• DOI for Use of C-11-PE2I PET in Differential Diagnosis of Parkinsonian Disorders

Association between amygdala reactivity and a dopamine transporter gene polymorphism

Bergman, O.; Åhs, Fredrik; Furmark, Tomas; Appel, Lieuwe et al.

Part of Translational Psychiatry, 2014

• DOI for Association between amygdala reactivity and a dopamine transporter gene polymorphism

Amygdala-frontal couplings characterizing SSRI and placebo response in social anxiety disorder

Faria, Vanda; Åhs, Fredrik; Appel, Lieuwe; Linnman, Clas et al.

Part of International Journal of Neuropsychopharmacology, p. 1149-1157, 2014

• DOI for Amygdala-frontal couplings characterizing SSRI and placebo response in social anxiety disorder

Tesofensine, a novel triple monoamine re-uptake inhibitor with anti-obesity effects: Dopamine transporter occupancy as measured by PET

Appel, Lieuwe; Bergström, Mats; Lassen, Jorgen Buus; Långström, Bengt

Part of European Neuropsychopharmacology, p. 251-261, 2014

• DOI for Tesofensine, a novel triple monoamine re-uptake inhibitor with anti-obesity effects: Dopamine transporter occupancy as measured by PET

PET-Scan Shows Peripherally Increased Neurokinin 1 Receptor Availability in Chronic Tennis Elbow: Visualizing Neurogenic Inflammation?

Peterson, Magnus; Svärdsudd, Kurt; Appel, Lieuwe; Engler, Henry et al.

Part of PLOS ONE, 2013

• DOI for PET-Scan Shows Peripherally Increased Neurokinin 1 Receptor Availability in Chronic Tennis Elbow: Visualizing Neurogenic Inflammation?
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Validation of parametric methods for [(11)C]PE2I positron emission tomography

Jonasson, My; Appel, Lieuwe; Engman, Jonas; Frick, Andreas et al.

Part of NeuroImage, p. 172-178, 2013

• DOI for Validation of parametric methods for [(11)C]PE2I positron emission tomography

Amygdala Subregions Tied to SSRI and Placebo Response in Patients with Social Anxiety Disorder

Faria, Vanda; Appel, Lieuwe; Åhs, Fredrik; Linnman, Clas et al.

Part of Neuropsychopharmacology, p. 2222-2232, 2012

• DOI for Amygdala Subregions Tied to SSRI and Placebo Response in Patients with Social Anxiety Disorder

Age, sex and NK1 receptors in the human brain: A positron emission tomography study with [C-11]GR205171

Engman, Jonas; Åhs, Fredrik; Furmark, Tomas; Linnman, Clas et al.

Part of European Neuropsychopharmacology, p. 562-568, 2012

• DOI for Age, sex and NK1 receptors in the human brain: A positron emission tomography study with [C-11]GR205171

Parametric methods for [¹¹C]PE2I positron emission tomography

Jonasson, My; Appel, Lieuwe; Engman, Jonas; Frick, Andreas et al.

Part of Journal of Cerebral Blood Flow and Metabolism, 2012

• DOI for Parametric methods for [¹¹C]PE2I positron emission tomography

Effect of variations in cerebellum kinetics on robustness of [C-11]DASB parametric images

Jonasson, My; Appel, Lieuwe; Engman, Jonas; Frick, Andreas et al.

Part of Journal of Cerebral Blood Flow and Metabolism, 2012

• DOI for Effect of variations in cerebellum kinetics on robustness of [C-11]DASB parametric images

Increased neurokinin-1 receptor availability in temporal lobe epilepsy: A positron emission tomography study using [(11)C]GR205171

Danfors, Torsten; Åhs, Fredrik; Appel, Lieuwe; Linnman, Clas et al.

Part of Epilepsy Research, p. 183-189, 2011

• DOI for Increased neurokinin-1 receptor availability in temporal lobe epilepsy: A positron emission tomography study using [(11)C]GR205171

Occupancy of human brain GABA(A) receptors by the novel alpha 5 subtype-selective benzodiazepine site inverse agonist alpha 5IA as measured using [C-11]flumazenil PET imaging

Eng, W.; Atack, J. R.; Bergström, M.; Sanabria, S. et al.

Part of Neuropharmacology, p. 635-639, 2010

• DOI for Occupancy of human brain GABA(A) receptors by the novel alpha 5 subtype-selective benzodiazepine site inverse agonist alpha 5IA as measured using [C-11]flumazenil PET imaging

Ventromedial prefrontal neurokinin 1 receptor availability is reduced in chronic pain

Linnman, Clas; Appel, Lieuwe; Furmark, Tomas; Söderlund, Anne et al.

Part of Pain, p. 64-70, 2010

• DOI for Ventromedial prefrontal neurokinin 1 receptor availability is reduced in chronic pain

Genotype over-diagnosis in amygdala responsiveness: affective processing in social anxiety disorder

Furmark, Tomas; Henningsson, Susanne; Appel, Lieuwe; Åhs, Fredrik et al.

Part of Journal of Psychiatry & Neuroscience, p. 30-40, 2009

Disentangling the web of fear: amygdala reactivity and functional connectivity in spider and snake phobia

Åhs, Fredrik; Pissiota, Anna; Michelgård, Åsa; Frans, Örjan et al.

Part of Psychiatry Research, p. 103-108, 2009

• DOI for Disentangling the web of fear: amygdala reactivity and functional connectivity in spider and snake phobia

Chronic whiplash symptoms are related to altered regional cerebral blood flow in the resting state

Linnman, Clas; Appel, Lieuwe; Söderlund, Anne; Frans, Örjan et al.

Part of European Journal of Pain, p. 65-70, 2009

• DOI for Chronic whiplash symptoms are related to altered regional cerebral blood flow in the resting state

BL-1020, a novel antipsychotic candidate with GABA-enhancing effects: D2 receptor occupancy study in humans

Appel, Lieuwe; Geffen, Yona; Heurling, Kerstin; Eriksson, Catarina et al.

Part of European Neuropsychopharmacology, p. 841-850, 2009

• DOI for BL-1020, a novel antipsychotic candidate with GABA-enhancing effects: D2 receptor occupancy study in humans

A link between serotonin-related gene polymorphisms, amygdala activity, and placebo-induced relief from social anxiety

Furmark, Tomas; Appel, Lieuwe; Henningsson, Susanne; Ahs, Fredrik et al.

Part of Journal of Neuroscience, p. 13066-74, 2008

• DOI for A link between serotonin-related gene polymorphisms, amygdala activity, and placebo-induced relief from social anxiety

In a nervous voice: Acoustic analysis and perception of anxiety in social phobics' speech

Laukka, Petri; Linnman, Clas; Åhs, Fredrik; Pissiota, Anna et al.

Part of Journal of nonverbal behavior, p. 195-214, 2008

• DOI for In a nervous voice: Acoustic analysis and perception of anxiety in social phobics' speech

Symptom provocation in specific phobia affects the substance P neurokinin-1 receptor systems

Michelgård, Åsa; Appel, Lieuwe; Pissiota, Anna; Frans, Örjan et al.

Part of Biological Psychiatry, p. 1002-1006, 2007

• DOI for Symptom provocation in specific phobia affects the substance P neurokinin-1 receptor systems

Comparison of quantitative [¹¹C]PE2I PET scans acquired on PET/MR and stand-alone PET

Sousa, Joao M.; Appel, Lieuwe; Engström, Mathias; Papadimitriou, Stergios et al.

Part of Journal of Cerebral Blood Flow and Metabolism

Altered NK1-receptor availability in patients with post traumatic stress disorder

Appel, Lieuwe; Michelgård, Åsa; Linnman, Claes; Fernandez, Manuel et al.

Part of [Biological Psychiatry 2009, 65(8), Suppl. 1, 118S, no. 394], 2009

• DOI for Altered NK1-receptor availability in patients with post traumatic stress disorder

Composite ⁶⁸Ge attenuation correction for quantitative brain PET/MR

Sousa, Joao M.; Appel, Lieuwe; Engström, Mathias; Papadimitrio, Stergios et al.

Cerebral blood flow in multiple sclerosis: an ¹⁵O-water PET study

Tolf, Andreas; Hedman, Karolina; Appel, Lieuwe; Larsson, Elna-Marie et al.