Cutaneous involvement by myeloid leukemic cells is an unusual phenomenon. The authors analyze the case of a 55-year-old male patient with myelodysplastic syndrome who presented erythematous papules on the face, trunk, arms and legs. Skin biopsy showed a dermal infiltration caused by blast myeloid cells. Immunohistochemical analysis was positive for myeloperoxidase, confirming leukemia cutis. Acute myeloid leuke...
Chronic urticaria (CU) is characterized by an evanescent, itchy wheal and flare reaction that does not resolve completely after 6 weeks. It is a relatively frequent disease that causes significant morbidity. Its therapy with drugs other than H1-antihistamines has not yet been exhaustively studied, but recently some promising treatment options have been described. We describe a case of severe, corticosteroid-dep...
Documento confidencial. Não pode ser disponibilizado para consulta ; Tese de mestrado integrado. Engenharia Informática e Computação. Faculdade de Engenharia. Universidade do Porto. 2010
Tese de Mestrado Integrado. Engenharia Electrotécnica e de Computadores. Faculdade de Engenharia. Universidade do Porto. 2013
A new semi-organic compound, 6-aminoquinolinium iodide monohydrate (I), has been synthesized and characterized by single crystal X-ray diffraction, UV–vis absorption and fluorescence spectroscopy and nonlinear optical (NLO) measurements. The second- and third-order NLO responses were investigated with the second- and third-harmonic Maker fringes techniques, carried out on thin films at a fundamental wavelength ...
Mestrado em Treino de Alto Rendimento ; Recentemente a Federação Internacional de Basquetebol (FIBA) determinou duas alterações históricas à s regras: o aumento da distância da linha de três pontos (em vigor desde 1984) e a mudança da forma geométrica da área restritiva (em vigor desde 1956), que, conjuntamente com a introdução dos semicÃrculos de não carga, modificaram o espaço de jogo e os cri...
AbstractThe work described in this paper is part of the development of a framework to support the joint execution of cooperative missions by a group of robotic vehicles, in a simulated, augmented or real environment. Such framework brings forward the need for formal languages in which to specify the group of vehicles that compose a team; the scenario in which they will operate; and the definition of the mission...
In this article we analyse diachronically Portugal’s pattern of unemployment protection, focusing on a description of who are the unemployed covered by social policies and the intensity of this coverage. We argue that though Portugal has presented generous ratios of protection in the last decades, mechanisms of social protection have been unable to adapt themselves to the rapid transformations that have t...
Fungal infections represent an important complication for immunosupressed patients and are associated with high morbidity and mortality. Fusarium infections have been reported with increasing frequency and can be locali- zed, locally invasive or disseminated, depending on the immune status of the host. The authors report the case of a four year old boy, with acute lymphocytic leukemia, in chemotherapy, who pres...
Let H be the transfer function of a strictly stable, causal, and, linear system, and let h be its impulse response. If one does not assume a specific form for H, or, what is the same, a specific model for the system, the question arises as how to approximate that transfer function by another with a known form. (...)Keywords: Kautz filters; linear systems; approximation optimization; system identificat...
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