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Showing 1 to 12 of 32 entries
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Trade-offs in miniature quadrupole designs.

Journal of the American Society for Mass Spectrometry

Boumsellek S, Ferran RJ.
PMID: 11401154
J Am Soc Mass Spectrom. 2001 Jun;12(6):633-40. doi: 10.1016/S1044-0305(01)00248-3.

Pressing needs for miniature mass spectrometers became apparent during the last decade in process monitoring and control, space exploration, and environmental screening. Besides the small footprint, common requirements include low cost, low power consumption, field portability, reliability, autonomy, and...

A conventional-to-spectral CT image translation augmentation workflow for robust contrast injection-independent organ segmentation.

Medical physics

Lartaud PJ, Dupont C, Hallé D, Schleef A, Dessouky R, Vlachomitrou AS, Rouet JM, Nempont O, Boussel L.
PMID: 34689353
Med Phys. 2021 Oct 24; doi: 10.1002/mp.15310. Epub 2021 Oct 24.

PURPOSE: In cardiovascular imaging, the numerous contrast injection protocols used to enhance structures make it difficult to gather training datasets for deep learning applications supporting diverse protocols. Moreover, creating annotations on non-contrast scans is extremely tedious. Recently, spectral CT's...

Diagnostic Performance of Extracellular Volume Quantified by Dual-Layer Dual-Energy CT for Detection of Acute Myocarditis.

Journal of clinical medicine

Si-Mohamed SA, Restier LM, Branchu A, Boccalini S, Congi A, Ziegler A, Tomasevic D, Bochaton T, Boussel L, Douek PC.
PMID: 34362070
J Clin Med. 2021 Jul 26;10(15). doi: 10.3390/jcm10153286.

BACKGROUND: Myocardial extracellular volume (ECV) is a marker of the myocarditis inflammation burden and can be used for acute myocarditis diagnosis. Dual-energy computed tomography (DECT) enables its quantification with high concordance with cardiac magnetic resonance (CMR).PURPOSE: To investigate the...

Comparison of image quality between spectral photon-counting CT and dual-layer CT for the evaluation of lung nodules: a phantom study.

European radiology

Si-Mohamed SA, Greffier J, Miailhes J, Boccalini S, Rodesch PA, Vuillod A, van der Werf N, Dabli D, Racine D, Rotzinger D, Becce F, Yagil Y, Coulon P, Vlassenbroek A, Boussel L, Beregi JP, Douek P.
PMID: 34185147
Eur Radiol. 2022 Jan;32(1):524-532. doi: 10.1007/s00330-021-08103-5. Epub 2021 Jun 29.

OBJECTIVES: To evaluate the image quality (IQ) of a spectral photon-counting CT (SPCCT) using filtered back projection (FBP) and hybrid iterative reconstruction (IR) algorithms (iDoseMETHODS: Two phantoms were scanned using a standard lung protocol (120 kVp, 40 mAs) with...

Performance of Spectral Photon-Counting Coronary CT Angiography and Comparison with Energy-Integrating-Detector CT: Objective Assessment with Model Observer.

Diagnostics (Basel, Switzerland)

Rotzinger DC, Racine D, Becce F, Lahoud E, Erhard K, Si-Mohamed SA, Greffier J, Viry A, Boussel L, Meuli RA, Yagil Y, Monnin P, Douek PC.
PMID: 34943611
Diagnostics (Basel). 2021 Dec 16;11(12). doi: 10.3390/diagnostics11122376.

AIMS: To evaluate spectral photon-counting CT's (SPCCT) objective image quality characteristics in vitro, compared with standard-of-care energy-integrating-detector (EID) CT.METHODS: We scanned a thorax phantom with a coronary artery module at 10 mGy on a prototype SPCCT and a clinical...

A conventional-to-spectral CT image translation augmentation workflow for robust contrast injection-independent organ segmentation.

Medical physics

Lartaud PJ, Dupont C, Hallé D, Schleef A, Dessouky R, Vlachomitrou AS, Rouet JM, Nempont O, Boussel L.
PMID: 34689353
Med Phys. 2021 Oct 24; doi: 10.1002/mp.15310. Epub 2021 Oct 24.

PURPOSE: In computed tomography (CT) cardiovascular imaging, the numerous contrast injection protocols used to enhance structures make it difficult to gather training datasets for deep learning applications supporting diverse protocols. Moreover, creating annotations on noncontrast scans is extremely tedious....

Spectral Photon-Counting CT Technology in Chest Imaging.

Journal of clinical medicine

Si-Mohamed SA, Miailhes J, Rodesch PA, Boccalini S, Lacombe H, Leitman V, Cottin V, Boussel L, Douek P.
PMID: 34945053
J Clin Med. 2021 Dec 09;10(24). doi: 10.3390/jcm10245757.

The X-ray imaging field is currently undergoing a period of rapid technological innovation in diagnostic imaging equipment. An important recent development is the advent of new X-ray detectors, i.e., photon-counting detectors (PCD), which have been introduced in recent clinical...

Cardiac C-arm computed tomography using a 3D + time ROI reconstruction method with spatial and temporal regularization.

Medical physics

Mory C, Auvray V, Zhang B, Grass M, Schäfer D, Chen SJ, Carroll JD, Rit S, Peyrin F, Douek P, Boussel L.
PMID: 24506624
Med Phys. 2014 Feb;41(2):021903. doi: 10.1118/1.4860215.

PURPOSE: Reconstruction of the beating heart in 3D + time in the catheter laboratory using only the available C-arm system would improve diagnosis, guidance, device sizing, and outcome control for intracardiac interventions, e.g., electrophysiology, valvular disease treatment, structural or...

Deep Learning-based Automated Segmentation of Left Ventricular Trabeculations and Myocardium on Cardiac MR Images: A Feasibility Study.

Radiology. Artificial intelligence

Bartoli A, Fournel J, Bentatou Z, Habib G, Lalande A, Bernard M, Boussel L, Pontana F, Dacher JN, Ghattas B, Jacquier A.
PMID: 33937851
Radiol Artif Intell. 2020 Nov 25;3(1):e200021. doi: 10.1148/ryai.2020200021. eCollection 2021 Jan.

PURPOSE: To develop and evaluate a complete deep learning pipeline that allows fully automated end-diastolic left ventricle (LV) cardiac MRI segmentation, including trabeculations and automatic quality control of the predicted segmentation.MATERIALS AND METHODS: This multicenter retrospective study includes training,...

Performance of Spectral Photon-Counting Coronary CT Angiography and Comparison with Energy-Integrating-Detector CT: Objective Assessment with Model Observer.

Diagnostics (Basel, Switzerland)

Rotzinger DC, Racine D, Becce F, Lahoud E, Erhard K, Si-Mohamed SA, Greffier J, Viry A, Boussel L, Meuli RA, Yagil Y, Monnin P, Douek PC.
PMID: 34943611
Diagnostics (Basel). 2021 Dec 16;11(12). doi: 10.3390/diagnostics11122376.

AIMS: To evaluate spectral photon-counting CT's (SPCCT) objective image quality characteristics in vitro, compared with standard-of-care energy-integrating-detector (EID) CT.METHODS: We scanned a thorax phantom with a coronary artery module at 10 mGy on a prototype SPCCT and a clinical...

Correction to: National dose reference levels in computed tomography-guided interventional procedures-a proposal.

European radiology

Greffier J, Ferretti G, Rousseau J, Andreani O, Alonso E, Rauch A, Gillet R, Le Roy J, Cabrol-Faivre L, Douane F, David A, Henry S, Jacques T, Stefanovic X, Decoux E, Lafay F, Pilleul F, Couzon F, Boutet C, Woerly B, Baur P, Sans N, Faruch M, Moussier-Lherm A, Tselikas L, Jacquier A, Bigand E, Pessis E, Teriitehau C, Magnier F, Cassagnes L, Haberlay M, Boutteau D, De Kerviler E, Majorel-Gouthain C, Defez D, Vuillod A, Rouviere O, Hennequin L, Fohlen A, Alwan R, Malakhia A, Aubry S, Dohan A, Eresue-Bony M, Gautier R, Dal R, Dabli D, Hebert T, Kovacs R, Hadid-Beurrier L, Bousson V, Potel M, Barbotteau Y, Michel C, Habib-Geryes B, André M, Arnaud T, Bestion N, Ernst O, Monfraix S, Brillet PY, Guiu B, Boussel L, Demonchy M, Beregi JP, Frandon J.
PMID: 32500191
Eur Radiol. 2020 Nov;30(11):6384-6386. doi: 10.1007/s00330-020-06948-w.

The original version of this article, published on 02 May 2020, unfortunately contained a mistake.

Estimates of epidemiology, mortality and disease burden associated with progressive fibrosing interstitial lung disease in France (the PROGRESS study).

Respiratory research

Nasser M, Larrieu S, Boussel L, Si-Mohamed S, Bazin F, Marque S, Massol J, Thivolet-Bejui F, Chalabreysse L, Maucort-Boulch D, Hachulla E, Jouneau S, Le Lay K, Cottin V.
PMID: 34030695
Respir Res. 2021 May 24;22(1):162. doi: 10.1186/s12931-021-01749-1.

BACKGROUND: There is a paucity of data on the epidemiology, survival estimates and healthcare resource utilisation and associated costs of patients with progressive fibrosing interstitial lung disease (PF-ILD) in France. An algorithm for extracting claims data was developed to...

Showing 1 to 12 of 32 entries