243 research outputs found

    Shaping the Breast in Aesthetic and Reconstructive Breast Surgery: An Easy Three-Step Principle. Part II - Breast Reconstruction after Total Mastectomy

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    This is Part II of four parts describing the three-step principle being applied in reconstructive and aesthetic breast surgery. Part I explains how to analyze a problematic breast by understanding the main anatomical features of a breast and how they interact: the footprint, the conus of the breast, and the skin envelope. This part describes how one can optimize results with breast reconstructions after complete mastectomy. For both primary and secondary reconstructions, the authors explain how to analyze the mastectomized breast and the deformed chest wall, before giving step-by-step guidelines for rebuilding the entire breast with either autologous tissue or implants. The differences in shaping unilateral or bilateral breast reconstructions with autologous tissue are clarified. Regardless of timing or method of reconstruction, it is shown that by breaking down the surgical strategy into three easy (anatomical) steps, the reconstructive surgeon will be able to provide more aesthetically pleasing and reproducible results. Throughout these four parts, the three-step principle will be the red line on which to fall back to define the problem and to propose a solution

    Cellular uptake of soy-derived phytoestrogens in vitro and in human whole blood

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    Epidemiological studies comparing typical Western and traditional Eastern lifestyles indicate that dietary intake of soyderived phytoestrogens, including genistein, daidzein, and equol, may have significant health protective effects on hormone-dependent cancers, osteoporosis and cardiovascular diseases. Phytoestrogens have been demonstrated to exert varying effects depending on tissue, endogenous hormone concentrations, and receptor types. Thus, a detailed understanding of the biodistribution and bioavailability of specific phytoestrogens is required in order to predict the subsequent biologic activities. In this study we aimed to investigate the cellular uptake of these soy-derived phytoestrogens in different cell types, including the mammary MCF-7/6 and MDAB-MB 231 cell lines, the ovarian Ishikawa Var-I cell lines and in murine adipocyte clusters. Furthermore, the biodistribution between serum and cell fraction was also investigated in human whole blood. Equol generally shows a higher cellular uptake when compared with genistein and daidzein. Therefore, equol may be more potent with respect to its relative bioactivity, which is corroborated by the observations of specific health effects associated with the equol-producer phenotype

    20 years of DIEAP flap breast reconstruction : a big data analysis

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    With every hospital admission, a vast amount of data is collected from every patient. Big data can help in data mining and processing of this volume of data. The goal of this study is to investigate the potential of big data analyses by analyzing clinically relevant data from the immediate postoperative phase using big data mining techniques. A second aim is to understand the importance of different postoperative parameters. We analyzed all data generated during the admission of 739 women undergoing a free DIEAP flap breast reconstruction. The patients' complete midcare nursing report, laboratory data, operative reports and drug schedule were examined (7,405,359 data points). The duration of anesthesia does not predict the need for revision. Low Red Blood cell Counts (3.53 x 10(6)/mu L versus 3.79 x 10(6)/mu L, p < 0.001) and a low MAP (MAP = 73.37 versus 76.62; p < 0.001) postoperatively are correlated with significantly more revisions. Different drugs (asthma/COPD medication, Butyrophenones) can also play a significant role in the success of the free flap. In a world that is becoming more data driven, there is a clear need for electronic medical records which are easy to use for the practitioner, nursing staff, and the researcher. Very large datasets can be used, and big data analysis allows a relatively easy and fast interpretation all this information

    Breast Lymphoma

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    Teaching point: Primary breast lymphoma is a rare disease, especially in males, but should be considered in the differential diagnosis of a breast mass because of the different treatment and prognosis

    Vocal characteristics of middle-aged premenopausal women

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    Aging influences the laryngeal anatomy and physiology, leading to altered vocal quality. In middle-aged women, the voice is affected by a combination of aging and menopausal transition. However, in many studies about vocal aging, the menopausal transition is not taken into account. The purpose of this study was to measure and describe the effect of aging on the vocal characteristics by comparing young women (between 20 and 28 years) and middle-aged premenopausal women (between 45 and 52 years). To determine the vocal characteristics in both groups, objective (aerodynamic measurements, vocal performance measurements, acoustic analysis, and a determination of the Dysphonia Severity Index) and subjective assessment techniques (perceptual evaluation, videostroboscopic evaluation, and Voice Handicap Index) were used. The middle-aged premenopausal women showed a smaller frequency and intensity range, a lower habitual fundamental frequency, and a higher soft phonation index compared with the young women. The results of this study are important when studying the voices of middle-aged women. Vocal characteristics of middle-aged women differ from young women, and these changes cannot only be because of hormonal changes during the menopause
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