Gilles Metrard

How do non-radiologist physicians read and use the radiology report? A French national survey

Yasmine Kassab, Matthieu Bailly, Sixtine Brabant, Catherine Oppenheim et autres

OBJECTIVES: We developed a national questionnaire to assess radiology reports (RR) physicians' reading habits and identify their expectations towards RR, focusing on CT and MRI reports. MATERIALS AND METHODS: An anonymized 20-item questionnaire was nationally distributed in France via practice and hospital …

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Parametric dynamic SPECT using a 3D CZT-ring camera for rapid characterization of disseminated splenosis

Gilles Metrard, Réjane Mazet, Matthieu Bailly

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From static to dynamic SPECT/CT: A systematic review of clinical applications and perspectives.

Gilles Metrard, Clara Cohen, Gilles Le Rouzic, Matthieu Bailly

BACKGROUND: Single Photon Emission Computed Tomography (SPECT) is a cornerstone of functional nuclear medicine imaging, traditionally providing static three-dimensional representations of radiotracer distribution. The emergence of 4D SPECT has introduced the temporal dimension to SPECT, enabling the quantification of physiological parameters such …

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Assessment of Capillary Permeability Using Radiolabeled Albumin and 3D CZT-ring Gamma Camera

Gilles Metrard, Réjane Mazet, Guillaume Cardoso, Matthieu Bailly

A 71-year-old woman receiving paclitaxel, carboplatin, and pembrolizumab for breast carcinoma developed severe diarrhea, followed by hypovolemic shock with generalized edema, raising suspicion of immune checkpoint inhibitor-related capillary leak syndrome. Dynamic scintigraphy was performed using intravenous technetium-99m-labeled human serum albumin combined with …

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Renal dynamic scintigraphy using 3D-ring CZT cameras: comparison with NaI(Tl)

Gilles Metrard, Gilles Le Rouzic, Benoit Chapelle, Diane Darsin-Bettinger et autres

Isotopic renography is pivotal for assessing upper urinary tract obstruction and provides renal functional parameters. New 3D-CZT cameras offer enhanced sensitivity and innovative full SPECT protocols that need to be validated on phantoms. Current renal phantoms are often complex and suitable for …

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Calcium scoring during 18F-FDG PET/CT in cancer indications: Improving cardiovascular risk stratification and prevention

Réjane Mazet, Nouritza Torossian, Mathilde Wanneveich, Gilles Metrard et autres

PURPOSE: Coronary artery calcium (CAC) can be assessed on 18F-FDG PET/CT in oncology patients. We evaluated the proportion of oncology patients referred for PET/CT imaging in whom systematic CAC scoring could reclassify cardiovascular (CV) risk and modify primary cardiovascular disease (CVD) prevention …

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Gallium-Labeled PET Radiopharmaceuticals in Cardiovascular Disease

Matthieu Bailly, A.C. Dupont, Guillaume Domain, Diane Darsin-Bettinger et autres

Gallium-labeled positron emission tomography (PET) probes targeting activated fibroblasts or somatostatin receptor expression are frequently used for varying applications in oncology. With the widespread availability of 68Ge/68Ga generators and cold kits, 68Ga tracers have become a main tool in molecular imaging. These …

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The added value of b0-DWI analysis in the diagnosis of cavitating lacunes when T2-weighted spin-echo is unavailable

Céline Leung Kune Chong, Andreea Aignatoaie, Alexandre Salem, Canan Özsancak et autres

PURPOSE: Silent brain infarcts, sometimes appearing as incidental lacunes in patients with unknown history of vascular event, are linked to dementia, gait disturbances and depression. We observed that some cavitating lacunes were only visible on b0-diffusion-weighted-imaging (b0-DWI: T2-weighted without diffusion gradients) when …

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A Rare Case of Eosinophilic Myocarditis Described With 18F-FDG PET/CT

Hugo Peslier, Gilles Metrard, Bianca-Angela Malmare, Matthieu Bailly

ABSTRACT: Late-stage eosinophilic myocarditis (or Löffler endocarditis) is known to occur in patients with hypereosinophilic syndrome and can cause restrictive cardiomyopathy. Eosinophilic myocarditis is an acute life-threatening inflammatory disease of the heart that can be associated with cancer. We report a case …

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Peritoneal Actinomycosis After Bariatric Surgery Mimicking a Peritoneal Carcinomatosis on 18F-FDG PET/CT

Agathe Fevrier, Matthieu Bailly, Flore Delalande, Gilles Metrard

ABSTRACT: A 54-year-old man with a history of bypass surgery 3 years ago presented with ascites, abdominal pain, and a decline in general health. CT and 18 F-FDG PET/CT suggested peritoneal carcinomatosis, but histology revealed peritoneal actinomycosis. This rare peritoneal infection can …

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False-positive 16α-[18F]Fluoro-17β-Estradiol PET/CT in benign cartilaginous tumor

Réjane Mazet, Matthieu Bailly, Elise Champeaux-Orange, Jeanne Breton et autres

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Hepatobiliary scintigraphy in post-cholecystectomy patients: added value of morphological dynamic SPECT/CT

Gilles Metrard, Aurélien Callaud, Matthieu Bailly

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