21 research outputs found

    The New Transverse-Facial Artery Musculomucosal Flap for Intraoral Reconstructions

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    With the bilateral progression of the 2 pedicled flaps, we were able to successfully restore both form and function of the soft palate, with a single-stage straightforward procedure, preserving at the same time the natural course of the facial arteries. Both flaps healed uneventfully. Six days after operation, the patient was placed on a liquid diet with no velopharyngeal insufficiency. This is to our knowledge the first extensive palatal reconstruction carried out with intraoral flaps onl

    An Analysis of the Nazi Film Hitlerjunge Quex

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    <p>CTRL values are shown as mean±SE. Statistical significance level was defined as p<0.05.</p

    A closed-form formula characterization of the Epps effect

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    In this study we provide an analytical characterization of the impact of zero returns on the popular realized covariance estimator of Barndorff-Nielsen and Shephard [Econometric analysis of realized covariation: High frequency based covariance, regression, and correlation in financial economics. Econometrica, 2004, 72(3), 885–925]. In our framework, efficient price processes evolve as a semimartingale with some likelihood of repeated prices. We show that the standard realized covariance estimator is asymptotically affected by a downward bias, and the size of the bias depends on these likelihoods. We demonstrate that this result can be used to construct a consistent estimator of the integrated covariance of a vector semimartingale. The advantages with respect to other estimators are discussed with data

    Individual regression for heart rate (HR) <i>vs</i> the corresponding for one ALL and one CTRL child (A graph).

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    <p>Regression between the individual slopes of the HR <i>vs </i> relationship, obtained in children with ALL (n = 10) and skeletal muscle O<sub>2</sub> extraction at peak of exercise Δ[HHb]<sub>peak</sub>, expressed as the ratio of the values obtained during limb ischemia with the corresponding regression line (B graph). CTRL values are given as mean±SE. Statistical significance level was defined as p<0.05.</p

    Mean±SD of basal and peak values (with coefficient of variation) of the investigated variables in the two groups of children.

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    <p><i>: O2 uptake; </i><i>: pulmonary ventilation; PetO2: pulmonary end tidal of O2; Pet CO2: pulmonary end tidal of CO2; Sa O2: arterial blood saturation; Δ[HHb]: skeletal muscle O2 extraction.</i></p><p>* p<0.05 significantly different from CTRL peak values.</p

    Clinical characteristics and recreational activities of children with acute lymphoblastic leukemia (ALL) and controls (CTRL).

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    <p><i>S = standard risk; I = intermediate risk; H = high risk (see text for further explanation).</i></p

    Ameloblastoma in a Three-Year-Old Child with Hurler Syndrome (Mucopolysaccharidosis Type I)

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    Mucopolysaccharidoses (MPS) are a family of genetic diseases associated with a deficiency of alpha-L iduronidase, which causes a lack of catabolism of glycosaminoglycans (GAGs). Therefore, the accumulation of GAGs determines a wide spectrum of symptoms, typically found in a few syndromes like Hurler syndrome (HS). Among other specific manifestations, craniofacial abnormalities are crucial for the characterization of this syndrome. Ameloblastoma is a rare, benign, slow-growing, odontogenic tumor usually located in the mandible. Clear risk factors for the development of ameloblastoma remain unknown, but black patients have a fivefold increased risk. Clinically, it is characterized by a painless, variable-sized jaw swelling. Although classified as a benign tumor, ameloblastoma often has a severe clinical outcome. The most common type of ameloblastoma is the solid/multicystic/conventional one. A computed tomography scan (CT) with and without contrast is the gold standard for evaluating this kind of neoplasia. Conservative or radical surgery is the mainstay of treatment. In this case report, we described an unusual clinical assessment of conventional ameloblastoma interesting the posterior left mandible of a 35-month-old child affected by HS. This case represented a suggestive challenge both from a diagnostic and a therapeutic point of view. The patient was disease-free at 2 years&rsquo; follow-up
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