Endoscopy is currently considered the reference standard for the evaluation of disease activity and severity in patients with inflammatory bowel disease (IBD). However, information provided by endoscopy is limited to the mucosal surface and cannot always be complete. Cross-sectional imaging techniques are gaining acceptance for the assessment of patients with Crohn's disease (CD) and ulcerative colitis (UC). Overall diagnostic accuracy of ultrasonography (US), computed tomography (CT) and magnetic resonance imaging (MRI) for the evaluation of colonic lesions in patients with IBD is high. The main limitation of US is its high dependence on expertise of the examiner and the anatomic location of lesions, and its main strengths are wide availability safety and low cost. CT is highly accurate for the evaluation of patients with IBD, but due to safety issues related to radiation exposure this technique should be reserved for urgent situations in which US is not diagnostic. Technological advances in the area of MRI have allowed optimization for the assessment of patients with IBD, mainly CD. Available evidence suggests that magnetic resonance colonography (MRC) has a high diagnostic accuracy for the detection of disease activity, location, severity, and complications, particularly for penetrating and stricturing lesions, characteristic of CD. MRC can provide a valuable guidance for performing medical and surgical treatment with maximized efficacy and safety. Overall, MRI findings accurately reflect disease activity and provide reliable information for decision-making and patient care optimization.

Se presenta el estudio arqueológico e histórico del conjunto arquitectónico de la Basílica da Ascensión y Os Fornos (Allariz), un monumento que, a través de sucesivas reformas, ha estado en uso desde la Edad del Hierro hasta la actualidad. Dada la hipótesis que barajamos, creemos que el cambio conceptualmente más importante es la conversión de una sauna vinculada al vecino castro de Armea en un lugar de culto cristiano que conmemora un episodio del martirio de Santa Mariña en el siglo VI. Modificaciones posteriores, de mayor importancia material, perpetúan la dedicación cristiana del edificio. The Basílica de la Ascensión and Os Fornos (Allariz, Ourense) and the christianization of architecture in Late Antiquity - This paper offers a review of the results of different archaeological projects carried out in the archaeological complex of Basilica de la Ascensión and Os Fornos. This monument has been reused from the Iron Age to the present. Special importance will be given to the transformation of the Iron Age sweat lodge into a christian building linked to the martyrdom of Santa Mariña, in the 6th century. Later transformations will consolidate the christian use of the monument.

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El poblado en altura de Topaín (segunda región, Chile): una residencia en la Tierra REsumEnEste artículo aborda el estudio arqueológico del espacio doméstico del asentamiento de Topaín, ocupado durante la fase final del Período Intermedio Tardío (850-1470 A. D.). Desde la Arqueología del Paisaje y la Arqueología de la Arquitectura llevamos a cabo una relectura de la trama edificada del poblado, empleando como herramientas metodológicas el análisis formal y el análisis sintáctico del espacio. Nuestra interpretación hace hincapié en la existencia de un ordenamiento urbanístico y de toda una escenografía arquitectónica que obedece tanto a factores socioeconómicos (emergente división social) como a tradiciones culturales (culto a los ancestros y a los cerros tutelares).Palabras clave: Atacama; Período Intermedio Tardío; Análisis sintáctico; Arqueología del espacio doméstico; Ecología Política. AbsTRACTThis article embraces our archaeological research about domestic space of Topaín settlement. This village was occupied during the final phase of the Late Intermediate Period, before the arrival of Inka Empire (850-1470 A.D.). From Landscape Archaeology and Archaeology of Architecture, we conducted a reading of the built space of Topaín, using as methodological tools formal analysis and syntax analysis. Our interpretation emphasizes the existence of an urban planning and an architectural scene that reflects both socioeconomic factors (emerging social division) as cultural traditions (sacrifices and offerings to ancestors and sacred mountains).