43 research outputs found

    Reduced risk of synovial sarcoma in females: X-chromosome inactivation?

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    Synovial sarcoma shows a characteristic t(X;18) translocation but not the expected female predominance in incidence. We speculate that, among females, one X-chromosome is inactivated and that only the translocation to an active X-chromosome leads to development of synovial sarcoma. Population-based cancer registry data from the SEER program support this hypothesis

    Utformning av ett bildbehandlingsprotokoll för Arthro-CT

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    Arthro-CT is an imaging method where a contrast agent is injected into a patient before a standard CT scan is performed, ensuring that the cartilage is visible in the images produced. Episurf Medical AB typically utilise MRI to scan patients’ knees when creating personalised implants. For those patients who cannot be scanned with MRI, Episurf would like to use arthro-CT. The project aimed to create an arthro-CT imaging protocol. Episurf provided twelve cases where arthro-CT had been used to scan patients’ knees and ankles. The cases were judged on their image quality, and the parameters used on the CT scanners were investigated. To create the imaging protocol, the parameters were compared to find the optimal ones. The resulting protocol identified optimal settings: slice thickness of 0.6 - 1 millimetre, a slice increment smaller than slice thickness, bone convolution kernel, 120 - 140 kV tube voltage, helical acquisition mode and a field of view covering the distal femur and cartilage.Arthro-CT Ă€r en bildgivande metod dĂ€r ett kontrastmedel injiceras i en patient innan en standard CT-scan utförs. Detta sĂ€kerstĂ€ller att brosket blir synligt i bilderna som produceras. Episurf Medical AB anvĂ€nder vanligtvis MR för att skanna patienters knĂ€n nĂ€r de skapar personliga implantat. För de patienter som MR Ă€r olĂ€mpligt för, skulle Episurf vilja anvĂ€nda arthro-CT. MĂ„let med detta projekt var att skapa ett bildbehandlingsprotokoll för arthro-CT.Tolv fall dĂ€r arthro-CT hade anvĂ€nts för att scanna patienters knĂ€n och fotleder förseddes av Episurf. Fallen blev bedömda pĂ„ dess bildkvalitet, och CT-scannernas anvĂ€nda parametrar undersöktes. För att skapa bildbehandlingsprotokollet, jĂ€mfördes parametrarna för att hitta de optimala. Det resulterade protokollet identifierade optimala vĂ€rden: skivtjocklek 0.6 - 1 millimeter, avstĂ„ndet mellan skivorna mindre Ă€n skivtjockleken, en benalgoritm, 120 - 140 kV röntgenrörsspĂ€nning, helical skanlĂ€ge och ett scanyta som tĂ€cker distala femur och brosket

    Morpho-Immunophenotypic-Genotypic Infidelity in Synovial Sarcoma

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    Loss of SS18-SSX1 Inhibits Viability and Induces Apoptosis in Synovial Sarcoma

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    Pediatric Undifferentiated Sarcoma of the Soft Tissues: A Clinicopathologic Study

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