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  1. Article ; Online: Histoplasmosis

    Tomasz Chroboczek / Julie Dufour / Alain Renaux / Christine Aznar / Magalie Demar / Pierre Couppie / Antoine Adenis

    Medical Mycology Case Reports, Vol 19, Iss C, Pp 45-

    An oral malignancy-like clinical picture

    2018  Volume 48

    Abstract: HIV-associated histoplasmosis is mainly misdiagnosed for granulomatous diseases, such as tuberculosis. Nonetheless, malignancy-like lesions have been reported sporadically in HIV-infected patients. Although the main reported lesions are erosive or ... ...

    Abstract HIV-associated histoplasmosis is mainly misdiagnosed for granulomatous diseases, such as tuberculosis. Nonetheless, malignancy-like lesions have been reported sporadically in HIV-infected patients. Although the main reported lesions are erosive or ulcerated, here a rare case of oral tumor is reported. This case raises the awareness of this presentation, and the importance of accurate identification in the laboratory. Performing systematic specific stains for fungal elements and culture on tissue samples ensures accurate differential diagnosis.
    Keywords Histoplasma capsulatum ; Histoplasmosis ; HIV ; Oral ; Differential diagnosis ; Medicine (General) ; R5-920 ; Biology (General) ; QH301-705.5
    Language English
    Publishing date 2018-03-01T00:00:00Z
    Publisher Elsevier
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  2. Article ; Online: Characteristics and Clinical Value of 18F-FDG PET/CT in the Management of Adult-Onset Still’s Disease

    Josselin Brisset / Yvan Jamilloux / Stephanie Dumonteil / Guillaume Lades / Martin Killian / Mathieu Gerfaud-Valentin / Anne Lemaire / Tomasz Chroboczek / Eric Liozon / Guillaume Gondran / Pascal Sève / Jacques Monteil / Anne-Laure Fauchais / Kim Heang Ly

    Journal of Clinical Medicine, Vol 10, Iss 2489, p

    35 Cases

    2021  Volume 2489

    Abstract: While the diagnosis of adult-onset Still’s disease (AOSD) involves the exclusion of differential diagnoses, the characteristics and value of 18F-Fluorodeoxyglucose (18F-FDG) Positron Emission Tomography coupled with CT (PET/CT) in the management of AOSD ... ...

    Abstract While the diagnosis of adult-onset Still’s disease (AOSD) involves the exclusion of differential diagnoses, the characteristics and value of 18F-Fluorodeoxyglucose (18F-FDG) Positron Emission Tomography coupled with CT (PET/CT) in the management of AOSD remain poorly known. Our retrospective study included patients from four centers, fulfilling Yamaguchi or Fautrel criteria, who underwent a PET/CT during an active AOSD. Thirty-five patients were included. At the time of PET/CT, the Yamaguchi criteria were met in 23 of 29 evaluable cases. PET/CT showed bone marrow (74.3%), lymph node (74.3%), and splenic (48.6%) FDG uptake. Despite arthralgia or arthritis in most patients, joints were rarely the sites of 18F-FDG accumulation. The spatial distribution of 18F-FDG uptake was nonspecific, and its intensity could be similar to malignant disease. Lymph node or bone marrow biopsy was performed after PET/CT in 20 patients (57.1%). The intensity of bone marrow; splenic and lymph node hypermetabolism appeared to be correlated with disease activity. Abnormal PET/CT in the cervical lymph nodes and age ≥ 60 years seemed to be predictive factors for monocyclic evolution. The clinical value of PET/CT is not in direct diagnosis; but as an aid in excluding differential diagnoses by searching for their scintigraphic features and guiding biopsy.
    Keywords adult-onset Still’s disease ; 18F-FDG PET/CT ; Medicine ; R
    Subject code 610
    Language English
    Publishing date 2021-06-01T00:00:00Z
    Publisher MDPI AG
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  3. Article ; Online: Long-term outcome of critically ill adult patients with acute epiglottitis.

    Tomasz Chroboczek / Martin Cour / Romain Hernu / Thomas Baudry / Julien Bohé / Vincent Piriou / Bernard Allaouchiche / François Disant / Laurent Argaud

    PLoS ONE, Vol 10, Iss 5, p e

    2015  Volume 0125736

    Abstract: Background Acute epiglottitis is a potentially life threatening disease, with a growing incidence in the adult population. Its long-term outcome after Intensive Care Unit (ICU) hospitalization has rarely been studied. Methodology and principal findings ... ...

    Abstract Background Acute epiglottitis is a potentially life threatening disease, with a growing incidence in the adult population. Its long-term outcome after Intensive Care Unit (ICU) hospitalization has rarely been studied. Methodology and principal findings Thirty-four adult patients admitted for acute epiglottitis were included in this retrospective multicentric study. The mean age was 44 ± 12 years (sex ratio: 5.8). Sixteen patients (47%) had a history of smoking while 8 (24%) had no previous medical history. The average time of disease progression before ICU was 2.6 ± 3.6 days. The main reasons for hospitalization were continuous monitoring (17 cases, 50%) and acute respiratory distress (10 cases, 29%). Microbiological documentation could be made in 9 cases (26%), with Streptococcus spp. present in 7 cases (21%). Organ failure at ICU admission occurred in 8 cases (24%). Thirteen patients (38%) required respiratory assistance during ICU stay; 9 (26%) required surgery. Two patients (6%) died following hypoxemic cardiac arrest. Five patients (15%) had sequelae at 1 year. Patients requiring respiratory assistance had a longer duration of symptoms and more frequent anti inflammatory use before ICU admission and sequelae at 1 year (p < 0.05 versus non-ventilated patients). After logistic regression analysis, only exposure to anti-inflammatory drugs before admission was independently associated with airway intervention (OR, 4.96; 95% CI, 1.06-23.16). Conclusions and significance The profile of the cases consisted of young smoking men with little comorbidity. Streptococcus spp. infection represented the main etiology. Outcome was favorable if early respiratory tract protection could be performed in good conditions. Morbidity and sequelae were greater in patients requiring airway intervention.
    Keywords Medicine ; R ; Science ; Q
    Subject code 610 ; 616
    Language English
    Publishing date 2015-01-01T00:00:00Z
    Publisher Public Library of Science (PLoS)
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  4. Article ; Online: Clonal complex 398 methicillin susceptible Staphylococcus aureus

    Tomasz Chroboczek / Sandrine Boisset / Jean-Philippe Rasigade / Anne Tristan / Michele Bes / Helene Meugnier / François Vandenesch / Jerome Etienne / Frederic Laurent

    PLoS ONE, Vol 8, Iss 11, p e

    a frequent unspecialized human pathogen with specific phenotypic and genotypic characteristics.

    2013  Volume 68462

    Abstract: Clonal complex 398 livestok-associated-MRSA (CC398 LA-MRSA) clone is described as a major animal pathogen that can also colonize and infect humans. CC398 methicillin susceptible Staphylococcus aureus (CC398 MSSA) is less described. We identified 126 ... ...

    Abstract Clonal complex 398 livestok-associated-MRSA (CC398 LA-MRSA) clone is described as a major animal pathogen that can also colonize and infect humans. CC398 methicillin susceptible Staphylococcus aureus (CC398 MSSA) is less described. We identified 126 CC398 MSSA strains of human origin within 6380 S. aureus isolates gathered between 2009 and 2011, from the French National Reference Centre for Staphylococci. They were characterized using antimicrobial susceptibility testing, spa typing, DNA microarrays (Identibac S. aureus Genotyping ®, Alere), CC398-specific sequence PCR, ermT (encoding macrolides résistance) PCR. Fifty-three CC398 LA-MRSA collected from French pigs and veal were used as comparators, and phylogenetic relations between human CC398 MSSA and animal CC398 MRSA populations were explored on the basis of spa-typing and DNA microarrays. CC398 MSSA were able to induce a large spectrum of infections (especially skin, bloodstream, and pneumonias). The prevalence rate of this clone was high in MSSA population, i.e., 24.7% in a local prospective study on nasal colonization, and 7.5% in a national prospective study on infective endocarditis. CC398 MSSA isolates were frequently (89%) erythromycin resistant, due to the presence of the ermT gene, a gene not detected in erythromycin resistant CC398 LA-MRSA strains. Expression of staphylococcal complement inhibitor (scn) and the chemotaxis inhibitory protein (chp), was also specific to this population. The CC398 MRSA signature included also a panel of antibiotic resistance genes, especially a type IV or V cassette mec and tetM. CC398 MSSA and CC398 LA-MRSA populations were closely related based on spa-typing and DNA microarrays, with the MRSA strains forming the most derived lineage in phylogenic trees. Both MSSA and MRSA populations may come from common ancestors, which would have evolved in the settings of different selective pressures, explaining the acquisition of ermT, chp and scn for MSSA, and antibiotic resistance genes for MRSA.
    Keywords Medicine ; R ; Science ; Q
    Subject code 630
    Language English
    Publishing date 2013-01-01T00:00:00Z
    Publisher Public Library of Science (PLoS)
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  5. Article ; Online: Genome analysis of Staphylococcus aureus ST291, a double locus variant of ST398, reveals a distinct genetic lineage.

    Marc Stegger / Maliha Aziz / Tomasz Chroboczek / Lance B Price / Troels Ronco / Kristoffer Kiil / Robert L Skov / Frederic Laurent / Paal S Andersen

    PLoS ONE, Vol 8, Iss 5, p e

    2013  Volume 63008

    Abstract: Staphylococcus aureus ST291 has been reported as a homologue recombinant double locus variant of the livestock associated S. aureus ST398. However, whole genome sequencing show that ST291 is a unique genetic lineage with highly variable content within ... ...

    Abstract Staphylococcus aureus ST291 has been reported as a homologue recombinant double locus variant of the livestock associated S. aureus ST398. However, whole genome sequencing show that ST291 is a unique genetic lineage with highly variable content within its accessory genome compared to both human and livestock associated genome sequenced CC398s.
    Keywords Medicine ; R ; Science ; Q
    Language English
    Publishing date 2013-01-01T00:00:00Z
    Publisher Public Library of Science (PLoS)
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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