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1. Adenosquamous carcinoma, a rare and unknown tumor

Author

Benat Gauthier, Cros Alice, Sarini Jérôme, Galissier Thibault, Collins Francis, Laurencin-Dalicieux Sara, and Cousty Sarah

Subjects
oral surgery, adenosquamous carcinoma, pathology, oncology, buccal mucosa, rare tumor, Dentistry, RK1-715, Surgery, RD1-811
Abstract

Introduction: Adenosquamous carcinoma (ASC) of the head and neck is a rare malignant tumor, with one hundred cases diagnosed so far in the literature. Observation: A 66 years old female patient had a ASC of the right posterior floor of the mouth with a classification T1N0M0. Treatment consisted of surgical management and active surveillance. Discussion: Through this case report, we present this type of tumor and we discuss the main differential diagnosis from a clinical and histological point of view. Conclusion: This entity was described for the first time in 1968 by Gerughty. The CAS is defined by the World Health Organization as “a tumor of the upper respiratory tract, with two distinct squamous and glandular components.” The CAS is considered as an aggressive tumor with a redoubtable prognosis should not be ignored.

Published
2018
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2. Management of orofacial granulomatosis: a case report

Author

Feugueur Guillaume, Konstantinou Maria Polina, Croze Jocelyn, Laurencin Sara, and Cousty Sarah

Subjects
orofacial granulomatosis, cheilitis, triamcinolone, oral dermatology, Dentistry, RK1-715, Surgery, RD1-811
Abstract

Introduction: Orofacial granulomatosis is characterized by recurrent swelling affecting the lips, cheeks, and tongue. The rarity of this pathology and the lack of consensus in therapeutic management make the reporting of this clinical case relevant. Observation: A 48-year-old man consulted for labial and gingival orofacial granulomatosis. The treatment consisted of 40 mg/L injections of triamcinolone acetonide once weekly for 3 weeks. The symptoms improved after 1 week of treatment. Comments: The usual treatment for this condition targets the inflammation caused by the lesion. Corticosteroids (clobetasol, triamcinolone acetonide, prednisolone), monoclonal antibodies (infliximab, adalimumab), or TNF-α inhibitors are commonly used. Symptom recurrenceis frequently observed after treatment with corticosteroids. Biotherapies are often used as a second-line treatment. Conclusion: Orofacial granulomatosis symptoms are rare and difficult to diagnose due to its varying manifestations. Common treatments target one of the steps of the inflammatory response. The detection of specific cellular markers is a way to enable a more precise etiological diagnosis and allows for a more targeted therapy.

Published
2018
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3. Endo-buccal mucosal punch biopsy and cervico-facial benign subcutaneous emphysema

Author

Casatuto Thibault, Benat Gauthier, Laurencin-Dalicieux Sara, and Cousty Sarah

Subjects
biopsy, lichen planus, subcutaneous emphysema, Dentistry, RK1-715, Surgery, RD1-811
Abstract

Subcutaneous emphysema is a rare feature caused by traumatism (weapons, accidents: crashes, barotrauma, …), dental care and infections. A 48-year-old woman consults for a right oral mucosa lesion and benefits from a biopsy for anatomopathological diagnosis. Within hours of the biopsy, bilateral jugal then cervical swelling has occured without signs of severity. The examination at 48 hours and the CT scan showed a bilateral cervicofacial emphysema with a spontaneous favorable resolution in a few days making the diagnosis of benign subcutaneous emphysema (BSCE). BSE can occurs after an endobuccal biopsy, a close follow up is necessary to rule out gas gangrene.The resolution is spontaneous with the necessity to reassure the patient.

Published
2020
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6. Plasma medicine: The great prospects when physics meets medicine

Author

Universitat Politècnica de Catalunya. Departament de Ciència i Enginyeria de Materials, Universitat Politècnica de Catalunya. BBT - Grup de recerca en Biomaterials, Biomecànica i Enginyeria de Teixits, Sadowska, Joanna Maria, Skoro, N., Laurita, R., Bekeschus, S., Przekora-Kusmierz, A., Laurencin, S., Sério, S., Canal Barnils, Cristina, Cousty, Sarah, Universitat Politècnica de Catalunya. Departament de Ciència i Enginyeria de Materials, Universitat Politècnica de Catalunya. BBT - Grup de recerca en Biomaterials, Biomecànica i Enginyeria de Teixits, Sadowska, Joanna Maria, Skoro, N., Laurita, R., Bekeschus, S., Przekora-Kusmierz, A., Laurencin, S., Sério, S., Canal Barnils, Cristina, and Cousty, Sarah

Abstract

The research has demonstrated the antimicrobial properties of plasma urging the incorporation of cold atmospheric plasma (CAP) decontamination in current clinical therapies with the aim to improve the benefits on the patients and on society., Postprint (published version)

Published
2022

11. Cold Atmospheric Plasma Induces a Predominantly Necrotic Cell Death via the Microenvironment

Author

Virard, François, Cousty, Sarah, Cambus, Jean-Pierre, Valentin, Alexis, Kémoun, Philippe, Clément, Franck, UFR d’Odontologie, Université de Lyon, Centre de Recherche en Cancérologie de Lyon (UNICANCER/CRCL), Centre Léon Bérard [Lyon]-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS), Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées, Centre d'investigation clinique de Toulouse (CIC 1436), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-CHU Toulouse [Toulouse]-Institut National de la Santé et de la Recherche Médicale (INSERM), Hôpital de Rangueil, CHU Toulouse [Toulouse], Pharmacochimie et Biologie pour le Développement (PHARMA-DEV), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Institut de Chimie de Toulouse (ICT-FR 2599), Institut de Recherche pour le Développement (IRD)-Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS)-Institut National Polytechnique (Toulouse) (Toulouse INP), Université Fédérale Toulouse Midi-Pyrénées-Institut de Recherche pour le Développement (IRD)-Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS)-Institut National Polytechnique (Toulouse) (Toulouse INP), Université Fédérale Toulouse Midi-Pyrénées-Institut de Recherche pour le Développement (IRD), Institut des sciences analytiques et de physico-chimie pour l'environnement et les materiaux (IPREM), Université de Pau et des Pays de l'Adour (UPPA)-Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS), LAboratoire PLasma et Conversion d'Energie (LAPLACE), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS)-Institut National Polytechnique (Toulouse) (Toulouse INP), Université de Toulouse (UT), Université de Toulouse (UT)-Université de Toulouse (UT)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Pôle Santé publique et médecine publique [CHU Toulouse], Centre Hospitalier Universitaire de Toulouse (CHU Toulouse)-Centre Hospitalier Universitaire de Toulouse (CHU Toulouse), Centre Hospitalier Universitaire de Toulouse (CHU Toulouse), Institut de Recherche pour le Développement (IRD)-Institut de Chimie de Toulouse (ICT), Université de Toulouse (UT)-Université de Toulouse (UT)-Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS)-Institut National Polytechnique (Toulouse) (Toulouse INP), and Université de Toulouse (UT)-Institut de Recherche pour le Développement (IRD)-Université Toulouse III - Paul Sabatier (UT3)

Subjects
Fibroblasts / drug effects, Plasma Gases, [SPI.PLASMA]Engineering Sciences [physics]/Plasmas, lcsh:R, Fibroblasts / cytology, Reactive Oxygen Species / metabolism, lcsh:Medicine, Apoptosis, [SDV.MHEP.CHI]Life Sciences [q-bio]/Human health and pathology/Surgery, Fibroblasts, Apoptosis / drug effects, Necrosis, Atmospheric Pressure, Necrosis / chemically induced, Humans, lcsh:Q, [SDV.MHEP.OS]Life Sciences [q-bio]/Human health and pathology/Sensory Organs, Cells Cultured, Reactive Oxygen Species, lcsh:Science, Cells, Cultured, ComputingMilieux_MISCELLANEOUS, [SDV.MHEP.DERM]Life Sciences [q-bio]/Human health and pathology/Dermatology, Research Article, Plasma Gases / pharmacology
Abstract

International audience; Introduction: Cold plasma is a partially ionized gas generated by an electric field at atmospheric pressure that was initially used in medicine for decontamination and sterilization of inert surfaces. There is currently growing interest in using cold plasma for more direct medical applications, mainly due to the possibility of tuning it to obtain selective biological effects in absence of toxicity for surrounding normal tissues. While the therapeutic potential of cold plasma in chronic wound, blood coagulation, and cancer treatment is beginning to be documented, information on plasma/cell interaction is so far limited and controversial. Methods and Results: Using normal primary human fibroblast cultures isolated from oral tissue, we sought to decipher the effects on cell behavior of a proprietary cold plasma device generating guided ionization waves carried by helium. In this model, cold plasma treatment induces a predominantly necrotic cell death. Interestingly, death is not triggered by a direct interaction of the cold plasma with cells, but rather via a transient modification in the microenvironment. We show that modification of the microenvironment redox status suppresses treatment toxicity and protects cells from death. Moreover, necrosis is not accidental and seems to be an active response to an environmental cue, as its execution can be inhibited to rescue cells. Conclusion: These observations will need to be taken into account when studying in vitro plasma/cell interaction and may have implications for the design and future evaluation of the efficacy and safety of this new treatment strategy. © 2015 Virard et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Published
2015
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14. Biological decontamination using high and reduced pressure nitrogen afterglows

Author

Universitat Politècnica de Catalunya. Departament de Ciència dels Materials i Enginyeria Metal·lúrgica, Universitat Politècnica de Catalunya. BBT - Biomaterials, Biomecànica i Enginyeria de Teixits, Sarrette, Jean-Philippe, Cousty, Sarah, Clement, Frank, Canal Barnils, Cristina, Ricard, André, Universitat Politècnica de Catalunya. Departament de Ciència dels Materials i Enginyeria Metal·lúrgica, Universitat Politècnica de Catalunya. BBT - Biomaterials, Biomecànica i Enginyeria de Teixits, Sarrette, Jean-Philippe, Cousty, Sarah, Clement, Frank, Canal Barnils, Cristina, and Ricard, André

Abstract

Typical results quantifying the antibacterial efficiencies of high and reduced pressure nitrogen afterglows are presented, using the same microbiological protocol. In parallel, the diffusion of the nitrogen atoms through different polymer membranes is studied., Peer Reviewed, Postprint (published version)

Published
2012

15. Effect of periodontal treatment on the clinical parameters of patients with rheumatoid arthritis: study protocol of the randomized, controlled ESPERA trial

Author

Monsarrat, Paul, primary, Vergnes, Jean-Noël, additional, Cantagrel, Alain, additional, Algans, Nadège, additional, Cousty, Sarah, additional, Kémoun, Philippe, additional, Bertrand, Caroline, additional, Arrivé, Elise, additional, Bou, Christophe, additional, Sédarat, Cyril, additional, Schaeverbeke, Thierry, additional, Nabet, Cathy, additional, and Sixou, Michel, additional

Published
2013
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