Gestos técnicos, morfología y rastros de uso en la alfarería prehispánica del sitio La Palmera 2 (provincia de Entre Ríos)

Este artículo presenta y discute los resultados preliminares obtenidos del estudio de los materiales cerámicos recuperados en el sitio arqueológico La Palmera 2, localizado en el Paraná medio (Departamento Paraná, provincia de Entre Ríos, nordeste de Argentina). Este sitio fue ocupado por grupos cazadores-recolectores complejos en torno al 1056-1032 +- 47 a.p. Se tienen en cuenta atributos relacionados con los aspectos formales, funcionales y técnicos de las vasijas, cuyo análisis permite avanzar hacia el estudio de la tecnología cerámica de un sector del río Paraná que todavía cuenta con un corpus de datos arqueológicos y una trayectoria de investigación relativamente escasa.This paper presents and discusses the preliminary results obtained of the study of ceramic materials recovered from the archaeological site La Palmera 2, located in the middle Paraná (department of Paraná, province of Entre Ríos, northeast of Argentina).This site was occupied by complex hunter-gatherer groups around 1056-1032 +- 47 b.p. Characteristics related to techno-morphological and functional aspects of the vessels have been taken into account, and these analyses have allowed advancements in the study of ceramic technology from an area of the Paraná River that still possesses a relatively scarce body of data and research work.Fil: Ottalagano, Flavia V. CONICET- Instituto Nacional de Antropología y Pensamiento Latinoamericano.Fil: Brancatelli, Carolina. Escuela de Antropología, Facultad de Humanidades y Artes, Universidad Nacional de Rosario.Fil: Darigo, Mariano. Escuela de Antropología, Facultad de Humanidades y Artes, Universidad Nacional de Rosario.Fil: Iannelli, Lucía. Escuela de Antropología, Facultad de Humanidades y Artes, Universidad Nacional de Rosario.Fil: Iannelli, Lucía. Escuela de Antropología, Facultad de Humanidades y Artes, Universidad Nacional de Rosario

Investigaciones arqueológicas en el sitio la palmera 2 (cuenca del Paraná medio, provincia de Entre Ríos, nordeste de Argentina)

Luego de un paréntesis de más de dos décadas, se han retomado las investigaciones arqueológicas en el sitio La Palmera 2, generando nuevos datos sobre la arqueología del tramo medio del río Paraná, en la provincia de Entre Ríos (nordeste de Argentina). Este sitio se ha destacado dentro de la arqueología regional por la presencia de entierros con ajuar funerario, lo cual ha sido discutido en el marco de la identificación de grupos cazadores-recolectores complejos en la región. Las recientes excavaciones han permitido reunir un significativo conjunto de información relacionada con la subsistencia, las prácticas mortuorias, la tecnología cerámica y lítica de los ocupantes del sitio, la cual es presentada y discutida en este trabajo. En este marco, se dan a conocer dos fechados de C14 para este depósito arqueológico: uno de 1056 +47 años C14 AP sobre restos humanos y otro de 1032 +47 años C14 AP sobre restos de Myocastor coypus. Los datos generados contribuyen a incrementar la información cronológica de un sector del río Paraná que cuenta con escasas dataciones, y aportan información relevante sobre los grupos humanos que habitaron el área durante el Holoceno tardío.After a hiatus of more than two decades, have been resumed archaeological investigations at the site La Palmera 2, which has generated new data on the archeology of the middle basin of the Parana River in the province of Entre Ríos (Northeastern Argentina). This site has been particularly highlighted in the regional archeology, due to the presence of burials with funeral trousseau, which has been discussed in the context of hunter-gatherer complex groups. Recent excavations at the site have begun to provide a significant body of information related to subsistence, mortuary practices, pottery and lithic technology of their occupants, which is presented and discussed in this paper. Two radiocarbon dating have been obtained for this archaeological deposit: 1056 ± 47 years BP on human remains and other 1032 ± 47 years BP based on Myocastor coypus. La Palmera 2 is considered a site where multiple activities were performed, including the manufacture and use of pottery and stone artifacts, disarticulation and prey consumption and burial practices. The radiocarbon dates indicate that these activities were carried out in a quasi-contemporary way, an approximately millennium ago. Data obtained tend to enrich the chronological context of the middle Parana River basin, as well provide relevant information about human groups that inhabited the area during the Late Holocene.Fil: Ottalagano, Flavia Vanina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Secretaría de Cultura de la Nación. Dirección Nacional de Cultura y Museos. Instituto Nacional de Antropología y Pensamiento Latinoamericano; ArgentinaFil: Darigo, Mariano Héctor. Universidad Nacional de Rosario. Facultad de Humanidades y Artes. Escuela de Antropología. Departamento de Arqueologia; ArgentinaFil: Pereyra, Belén. Universidad Nacional de Rosario. Facultad de Humanidades y Artes. Escuela de Antropología. Departamento de Arqueologia; ArgentinaFil: Brancatelli, Carolina. Universidad Nacional de Rosario. Facultad de Humanidades y Artes. Escuela de Antropología. Departamento de Arqueologia; ArgentinaFil: Iannelli, Lucía. Universidad Nacional de Rosario. Facultad de Humanidades y Artes. Escuela de Antropología. Departamento de Arqueologia; Argentin

MR imaging in patients with male-to-female sex reassignment surgery: Postoperative anatomy and complications

OBJECTIVE: To investigate the role of MRI in the evaluation of both the new female anatomy and complications in male-to-female sex reassignment surgery (MtF-SRS). METHODS: 71 consecutive patients with MtF-SRS had 74 MRI [age range, 21-63 years; mean (\ub1standard deviation) age, 36\u2009\ub1\u200910 years; median age, 37 years]. In 47 patients, MRI was performed to rule out early post-operative complications after gender conversion (n\u2009=\u200940), vaginoplasty (n\u2009=\u20096) or remodelling of the labia majora (n\u2009=\u20091). In 27 patients, MRI was performed 1-20 years after MtF-SRS for late post-operative complications, pain or dysuria, inflammatory changes or poor cosmetic outcome. Three patients had MRI both before and after the operation. RESULTS: MRI allowed investigation of the new female anatomy in all cases. Soon after MtF-SRS, a small amount of blood was identified in all patients around the neoclitoris, urethral plaque and labia. Post-operative complications were clinically significant fluid collections (n\u2009=\u20095), labial abscesses (n\u2009=\u20092), severe cellulitis (n\u2009=\u20093), partial neovaginal prolapse (n\u2009=\u20093), focal necrosis and dehiscence of the vaginal wall (n\u2009=\u20092) and hypovascularization of the neoclitoris (n\u2009=\u20091). After ileal vaginoplasty, three patients developed clinically insignificant haematomas, one a large rectovaginal fistula with dehiscence of the intestinal anastomosis and bowel perforation (n\u2009=\u20091). In the 27 patients investigated 1-20 years after MfF-SRS, MRI demonstrated cavernosal remnants (n\u2009=\u200910), spared testis (n\u2009=\u20091) neovaginal strictures (n\u2009=\u20098), fistulas and abscesses (n\u2009=\u20093) and prolapse (n\u2009=\u20092). Three of these patients also had fibrotic changes. In the remaining three patients, no pathological features were identified. CONCLUSION: After genital reconfiguration, MRI allows assessment of the post-operative anatomy and of post-operative complications. Advances in knowledge: Imaging features of the new anatomy and of surgical complications after SRS are discussed and illustrated

Renal Masses as Characterized by Ultrasound Contrast

Contrast-enhanced ultrasound (CEUS) depicts renal perfusion abnormalities and can assess vascularity of renal lesions. This article reviews the role of CEUS in the evaluation of renal masses, with a focus on differential diagnosis between cysts, solid tumors, and pseudolesions; characterization of complex cysts; and evaluation of lesions with equivocal enhancement at computed tomography. CEUS has an increasing role for the follow-up of patients undergoing tumor ablation. Emerging perspectives on monitoring angiosuppressive therapies in advanced renal cancer and intraoperative applications are discussed. Microbubbles can be injected without regard for renal function. Serious reactions are rarely reported, compared with iodinated contrast material

Burden and centralised treatment in Europe of rare tumours: results of RARECAREnet - a population-based study

Background Rare cancers pose challenges for diagnosis, treatments, and clinical decision making. Information about rare cancers is scant. The RARECARE project defined rare cancers as those with an annual incidence of less than six per 100 000 people in European Union (EU). We updated the estimates of the burden of rare cancers in Europe, their time trends in incidence and survival, and provide information about centralisation of treatments in seven European countries. Methods We analysed data from 94 cancer registries for more than 2 million rare cancer diagnoses, to estimate European incidence and survival in 2000–07 and the corresponding time trends during 1995–2007. Incidence was calculated as the number of new cases divided by the corresponding total person-years in the population. 5-year relative survival was calculated by the Ederer-2 method. Seven registries (Belgium, Bulgaria, Finland, Ireland, the Netherlands, Slovenia, and the Navarra region in Spain) provided additional data for hospitals treating about 220 000 cases diagnosed in 2000–07. We also calculated hospital volume admission as the number of treatments provided by each hospital rare cancer group sharing the same referral pattern. Findings Rare cancers accounted for 24% of all cancers diagnosed in the EU during 2000–07. The overall incidence rose annually by 0.5% (99·8% CI 0·3–0·8). 5-year relative survival for all rare cancers was 48·5% (95% CI 48·4 to 48·6), compared with 63·4% (95% CI 63·3 to 63·4) for all common cancers. 5-year relative survival increased (overall 2·9%, 95% CI 2·7 to 3·2), from 1999–2001 to 2007–09, and for most rare cancers, with the largest increases for haematological tumours and sarcomas. The amount of centralisation of rare cancer treatment varied widely between cancers and between countries. The Netherlands and Slovenia had the highest treatment volumes. Interpretation Our study benefits from the largest pool of population-based registries to estimate incidence and survival of about 200 rare cancers. Incidence trends can be explained by changes in known risk factors, improved diagnosis, and registration problems. Survival could be improved by early diagnosis, new treatments, and improved case management. The centralisation of treatment could be improved in the seven European countries we studied. Funding The European Commission (Chafea)