1,720,954 research outputs found
Primary and Secundary Endometriosys of the abdominal wall
No full textAbstract [Indice]
Introduzione: L’endometriosi viene definita come la presenza anomala di tessuto ghiandolare e stromale endometriale ormono-responsivo al di fuori della cavità uterina. Viene classificata in primaria e secondaria (su cicatrice chirurgica da pregresso intervento sulla cavità uterina). L'endometriosi è una patologia che interessa donne in età riproduttiva con la massima incidenza tra i 30 ed i 40 anni, la cui prevalenza è stimata pari al 8-15%. L’impianto extrapelvico può interessare vari organi e la localizzazione a livello della parete addominale è rara (0,03%-1%). La localizzazione primaria in corrispondenza dei muscoli retti dell’addome è evenienza estremamente rara, descritta in Letteratura in 18 casi ed il primo a descriverla fu M. Amato nel 1984.
Casi clinici: Descriviamo i casi di nostra osservazione: un caso di endometriosi primaria, un caso di endometriosi su Pfannensteil ed un caso di endometrioma in regione inguinale. In due pazienti il trattamento di escissione della formazione, con margine di tessuto sano di 5-10 mm è stato di scelta; nel terzo la formazione dura e granulomatosa è stata asportata nel corso dell'intervento chirurgico condotto per la presenza di un'ernia inguinale. Tutte le pazienti sono state sottoposte nel follow-up a valutazione dei livelli sierici di CA 125, visita ginecologica a 6 e 12 mesi e RMN di controllo ad un anno. Nessuna complicanza e nessun caso di recidiva, con negativizzazione dei livelli del marcatore.
Discussione: La causa rimane sconosciuta: la prima ipotesi proposta da Sampson la attribuisce ad una mestruazione retrograda; la seconda ad una disseminazione linfo-vascolare che giustificherebbe l’impianto in siti distanti; la terza indica come possibile responsabile una metaplasia celomatica. Il sospetto diagnostico è fornito da un'attenta anamnesi e la diagnosi differenziale include tipologie diverse di tumefazioni: ernia, formazioni cistiche, ematomi, sieromi, ascessi, tumore desmoide, neurinoma, linfadenopatia, linfoma. Importante è la valutazione dei livelli sierici del CA 125 che risultano di solito elevati. E’ necessario un approfondimento diagnostico con: ecografia, TC o RMN, F.N.A.B. L’ago-aspirato è una metodica scarsamente sensibile, associata ad un aumento del rischio di recidive. La risonanza magnetica riesce ad evidenziare il Ferro presente all’ interno dei depositi di emosiderina caratteristici dell’endometrioma. Il trattamento in ogni caso è quindi chirurgico.
Conclusioni: La diagnosi di certezza, ad oggi, è solo istologica ed il trattamento di scelta non può quindi essere che l'asportazione chirurgica. Le recidive sono rare, di solito si presentano entro il primo anno dovute, nella maggior parte dei casi, ad un’inadeguata escissione
Going Beyond Counting First Authors in Author Co-citation Analysis
Get PDFThe present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation
counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings
are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that
only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into
account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed
Limb-salvage surgery in trauma leg injuries. Does it offer patients better quality of life and functional capacity than amputation?
No full textBackground: The decision to salvage or amputate the injured limb has generated much controversy in the Literature,
with studies to support advantages of each approach. All scoring systems have proved unreliable in predicting the
need for amputation or salvage. ‘Making decision' and 'timing' can be difficult even for experts.
Limb-salvage surgery in trauma leg injuries. Does it offer patients
better quality of life and functional capacity than amputation?
www.preventionandresearch.com 8 Jan-Mar 2013|P&R Scientific|Volume 3|N°1
Objectives: Obviously, it is to avoid amputation of a limb which could be saved, as well as not always trying the
revascularization. This is the challenging problem. In our opinion, the issue is not to perform revascularization just
because it is technically feasible, but when it should be performed.
The purpose of this study is clarify some decisions about management of severely injured legs
Variations on the Author
Get PDF“Variations on the Author” discusses two of Eduardo Coutinho’s recent films (Um Dia na Vida, from 2010, and Últimas Conversas, posthumously released in 2015) and their contribution to the general question of documentary authorship. The director’s filmography is characterized by a consistent yet self-effacing form of authorial self-inscription: Coutinho often features as an interviewer that rather than express opinions propels discourses; an interviewer that is good at listening. This mode of self-inscription characterizes him as an author who is not expressive but who is nonetheless markedly present on the screen. In Um Dia na Vida, however, Coutinho is completely absent form the image, while Últimas Conversas, on the contrary, includes a confessional prologue that moves the director from the margins to the center of his films. This article examines the ways in which these works stand out in the filmography of a director who offers new insights into the notion of cinematic authorship
Appropriate Similarity Measures for Author Cocitation Analysis
Get PDFWe provide a number of new insights into the methodological discussion about author cocitation analysis. We first argue that the use of the Pearson correlation for measuring the similarity between authors’ cocitation profiles is not very satisfactory. We then discuss what kind of similarity measures may be used as an alternative to the Pearson correlation. We consider three similarity measures in particular. One is the well-known cosine. The other two similarity measures have not been used before in the bibliometric literature. Finally, we show by means of an example that our findings have a high practical relevance.information science;Pearson correlation;cosine;similarity measure;author cocitation analysis
Dispelling the Myths Behind First-author Citation Counts
Get PDFWe conducted a full-scale evaluative citation analysis study of scholars in the XML research field to explore just how different from each other author rankings resulting from different citation counting methods actually are, and to demonstrate the capability of emerging data and tools on the Web in supporting more realistic citation counting methods. Our results contest some common arguments for the continued
use of first-author citation counts in the evaluation of scholars, such as high correlations between author rankings by first-author citation counts and other citation
counting methods, and high costs of using more realistic citation counting methods that are not well-supported by the ISI databases. It is argued that increasingly available digital full text research papers make it possible for citation analysis studies to go beyond what the ISI databases have directly supported and to employ more
sophisticated methods
koamabayili/VECTRON-author-checklist: VECTRON author checklist
No full textWe have done our best to complete the author checklist relating to the use of animals in the hut study. Note that the objective for the hut study was to evaluate the IRS treatment applications for residual efficacy against Anopheles mosquitoes, including the local An. coluzzii mosquito population. Cows were only used to attract mosquitoes into the huts and no tests were carried out directly on the cows. The author checklist is intended for use with studies where experiments are carried out on animals, which is why we have had such difficulty in completing this for the hut study, as many of the questions do not relate to how the cows were used
Author-wise bibliometric analysis based on entropy.
No full textAuthor-wise bibliometric analysis based on entropy.</p
- …
