1,725,366 research outputs found

    Follicular lymphoma: still six characters in search of an author?

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    Follicular lymphoma (FL) is regarded as a distinct entity in the literature as well as in the 2008 edition of the WHO classification of tumours of haematopoietic and lymphoid tissues.Nevertheless, there are still several issues that are matters of controversy such as the grading system or the exact biological location of grade 3B FL. This makes FL somewhat like the Six characters in search of an author of Pirandello's comedy. Here, we revise the morphology and pathobiology of FL by highlighting both the areas remaining critical and future perspectives. This review was inspired by the reappraisal of Professor Lennert's personal archive that represents a unique legacy for the entire scientific community

    Lennert′s lymphoma: Clinicopathological profile of five cases

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    Background and Aim: Lennert′s lymphoma is a rare variant of peripheral T-cell lymphoma (PTCL) not otherwise specified (NOS) rich in epithelioid histiocytes. This study aims to analyze the clinical, morphologic, and immunophenotypic profile of cases of Lennert′s lymphoma from our country and determines the utility of T-cell receptor (TCR) gene rearrangement in the diagnosis. Materials and Methods: All cases diagnosed as Lennert′s lymphoma during the period of January 2001 to August 2011 were included in this study. Hematoxylin and eosin (H and E) stained slides and immunohistochemistry results were analyzed and TCR gene rearrangement was performed. Results: There were five cases of Lennert′s lymphoma diagnosed in our institution during this period, which included two males and three females. All cases showed effacement of lymph node architecture by diffuse infiltration of small lymphoid T cells [CD3+, CD4+, CD8+, T-cell intracellular antigen 1 (TIA-1+), Granzyme B−] and clusters of epithelioid histiocytes throughout the lymph node and scattered large transformed cells (CD20−, CD30+, CD15−/+). TCR rearrangement was done in three cases by polymerase chain reaction (PCR) and showed the presence of a clonal T-cell population. Conclusions: Lennert′s lymphoma constituted 0.11% of all non-Hodgkin lymphomas (NHLs) in our institution. Differentiation from classical Hodgkin′s lymphoma is sometimes difficult by morphology and immunohistochemistry alone and TCR gene rearrangement was extremely useful in diagnosis

    Unleashing the Power of AI in Automated Reconnaissance: A Comparative Study for Red Teams and Bug Bounty Hunters

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    by: Lennert PreuthMasterarbeit Fachhochschule Technikum Wien 2024Arbeit gesperr

    High civilization

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    High civilization ; Secret love ; When he's gone ; Happy ever after ; Party with no name ; Ghost train ; Dimensions ; The only love ; Human sacrifice ; Evolutio

    Unleashing the Power of AI in Automated Reconnaissance: A Comparative Study for Red Teams and Bug Bounty Hunters

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    by: Lennert PreuthMasterarbeit Fachhochschule Technikum Wien 2024Arbeit gesperr

    Rural restructuring in the Visegrad Group after the political and economic transition

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    Specializing in rural geography and socioeconomic modeling, József Lennert, a 2017 Sylff fellow at the Hungarian Academy of Sciences, shares highlights of his doctoral dissertation concerning the process and trends of counterurbanization after the fall of socialism in the Visegrad countries: Hungary, Poland, the Czech Republic, and Slovakia. Lennert made a comparison with the experiences of Western countries as well as among those of the four Visegrad countries, which pose both similar and distinctive aspects.szabadon elérhető / Free acces

    Die Wonderbare Heilige Gees én die Vader van liefde

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    Pieter Verster dra uit die ryk en ryp oesland van die Ou en Nuwe Testament ’n oorvloed gerwe. ’n Uitnemende geleerde is hier aan die woord. Die Persoon en werk van die Heilige Gees, die derde Persoon van God Drie-enig, word vars en nuut belig. Dit geld ook vir die skywer se ander sentrale teologiese insigte. Die boek getuig van ’n gedeë studie; dit is ’n meesterstuk. Dit sal nie slegs die vakkenner boei nie, maar elke leser sal deur die boek tot helderheid gelei word. Hierdie boek is soos ’n fontein helder murmelende water wat hoop aan dorstige en moedelose mense gee wat in die greep van armoede, korrupsie en rassisme vasgevang is. Met die boek staan Pieter Verster nie slegs nasionaal nie, maar ook internasionaal op die voorpunt van liggewende perspektiewe op die wese van en uitdagings aan die Missionêre Teologie. - Prof. Cas Vos Hierdie boek van Pieter Verster gee ’n indrukwekkende perspektief. Sending gaan daaroor om die blye boodskap te bring van Christus wat vir ons gekruisig is. Ons het ’n boodskap vir hierdie wêreld van COVID-19, van die korrupte politiek, van die armoede, van die misdaad, van sondige en moedelose mense. God beloof nie dat alles reg sal kom nie. Hy het hierdie werklikheid tot op die afskuwelikste gedeel. En Hy het daaraan, aan die konkrete werklikheid van Suid-Afrika van 2020, gesterf. Maar Hy het opgestaan, nie om nou alles reg te maak nie, maar sodat ons as ons sterf aan hierdie onheil steeds mag bely dat ons met Christus sal opstaan. Wanneer ons geen voortgang sien nie, moet ons nie moedeloos word nie: in die wêreld kan ons net ’n bietjie vir mekaar doen en het ons verdrukking, maar Hy het die wêreld oorwin: Christus leef en ons sal saam met Hom leef. Dis evangelie, ’n blye berig vir moedelose en hooplose mense. - Prof. Bram van de Bee

    Production capacity and sustainability in new companies

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    Se presenta aquí el modelo capacidad de producción para empresas sostenibles, para planificar empresas con la dotación adecuada para ser productivas y competentes, minimizando el riesgo de cierre por carencias en su dotación. Empleando el método logit se estableció la capacidad emprendedora en Colombia, observando el éxito o fracaso de los proyectos financiados durante 2.006 -2.017 por el Fondo Emprender. La capacidad de producción mensual de un proyecto debe establecerse desde sus costos operacionales e información sectorial asegurando su sostenibilidadThe production capacity model for sustainable companies is presented here, to plan companies with the adequate endowment to be productive and competent, minimizing the risk of closing due to deficiencies in their endowment. Using the logit method, the entrepreneurial capacity in Colombia was established, observing the success or failure of the projects financed during 2006 -2.017 by the Emprender Fund. The monthly production capacity of a project must be established from its operational costs and sector information ensuring its sustainability1. Introducción. 2. Metodología. 3. Resultados. 4. Conclusiones. Referencias bibliográfica
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