Search results for "BREAST"

Metric Learning in Histopathological Image Classification: Opening the Black Box

2023

The application of machine learning techniques to histopathology images enables advances in the field, providing valuable tools that can speed up and facilitate the diagnosis process. The classification of these images is a relevant aid for physicians who have to process a large number of images in long and repetitive tasks. This work proposes the adoption of metric learning that, beyond the task of classifying images, can provide additional information able to support the decision of the classification system. In particular, triplet networks have been employed to create a representation in the embedding space that gathers together images of the same class while tending to separate images w…

Satisfacción de las mujeres con la duración del proceso de valoración adicional en el cribado mamográfico

2011

ResumenObjetivosConocer los factores asociados a la satisfacción con la duración del proceso de valoración adicional en el cribado mamográfico.MétodosEstudio transversal descriptivo y multivariado mediante encuesta telefónica a una muestra representativa de mujeres (N=316) participantes en el Programa de Prevención del Cáncer de Mama de la Comunidad Valenciana, que requirieron valoración adicional mediante pruebas complementarias para confirmar el diagnóstico. Análisis descriptivo mediante tablas de contingencia (p<0,05) y de asociación mediante odds ratio (OR) con modelos de regresión logística (intervalo de confianza del 95% [IC95%]).ResultadosLa satisfacción con la duración del proceso f…

Dietary exposure in utero and during lactation to a mixture of genistein and an anti-androgen fungicide in a rat mammary carcinogenesis model

2015

Endocrine disruptors may play substantial roles in the high incidence of breast cancer. We previously described how early exposure to the mixture of phytoestrogen genistein (G) and the anti-androgen vinclozolin (V) affects peripubertal mammary development. This study evaluates the carcinogenic potential of exposure to V alone or associated with G from conception until weaning in Wistar rats. Dams were exposed to V, G or GV during pregnancy/lactation. At PND50 offspring were treated with DMBA[7,12-dimethylbenz(a)anthracene]. V or GV maternal exposure decreased number of DMBA-induced mammary tumors in the offspring, without significant modifications in tumor incidence, multiplicity and latenc…

Infant feeding practices and early growth among children of the nationwide Elfe cohort

2020

International audience; Rapid early growth is considered as a risk factor for obesity later in life. Breastfeeding is associated with slower growth in the first months of life, but the complementary diet of non- exclusively breastfed infants remains poorly considered. Our objective was to analyze the links between infant diet during the first year and growth up to 18 months. Analyses included 8315 infants from the Elfe birth cohort. Infants were grouped into clusters using hierarchical clustering according to infant diet characteristics (breastfeeding duration, introduction of infant formula, main food groups and unmixed foods). Association between clusters and weight, height and BMI betwee…

Déterminants des préférences alimentaires au moment de la diversification

2010

Acceptation of novel dietary flavours by infants after exposure to flavour in mother’s milk

2010

Périodes et facteurs sensibles pour la formation précoce des préférences alimentaires

2015

Eating behavior is a complex, essentially learned activity critical for development and survival. It can be broken down into several components: when, how, what and how much to eat.1,2 We will mainly describe in this chapter the important periods and factors associated with the development of “what” to eat, or in other words, food preferences and choice. Other aspects relevant to the early development of eating behavior have been previously reviewed.2,3 Although it has previously been shown that food and flavor preference may be influenced by flavor exposure during the prenatal period4-6, we will focus in this chapter on the acquisition of food preferences consecutive to direct exposure of …

The impact of breastfeeding and early vegetable variety on acceptance of new foods over repeated exposure

2007

L'allaitement en France trop court par rapport aux recommandations

2015

L'allaitement en France trop court par rapport aux recommandations. Dans "La République du Centre" le ‎21 septembre 2015‎ sur news.google.com

Abnormal peripubertal development of the rat mammary gland following exposure in utero and during lactation to a mixture of genistein and the food co…

2011

The impact of early exposure to endocrine disruptor mixtures on mammary gland development is poorly known. Here, we identify the effects of a conception to weaning exposure of rats to the phytoestrogen genistein (G) and/or the antiandrogen vinclozolin (V) at 1 mg/kg-d, alone or in association. Using several approaches, we found that G- and GV-exposed rats displayed significantly greater epithelial branching and proliferation, wider terminal end buds than controls at PND35, as well as ductal hyperplasia and periductal fibrosis. Focal branching defects were present in V-exposed rats. An increased ER and AR expression was observed in G- and CV- as compared to V-exposed rats at PND35. Surprisin…