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DERMOSCOPY - SELECTED CASES OF UNDEREXPLORED APPLICATIONS AND REVIEW OF THE LIT...
Pedrosa, Ana; Interna do Internato Complementar de Dermatologia e Venereologia/Resident, Dermatology and VenereologyIntroduction: The scope of dermoscopy extends beyond the evaluation of pigmented lesions, particularly in the assessment of vascular, infectious and inflammatory lesions as well as in the scalp and nail diseases. We aim to show dermoscopic features that may be useful in the diagnosis and follow-up of non-melanocytic lesions.Material and Methods: We selected 19 patients in whom dermoscopy was used for diagnosis ...
Partial molar volumes of glycine and L-Alanine in aqueous MgSO4 solutions betwe...
Mota, Carolina C.; Ferreira, Olga; Pinho, SimãoIn this work, partial molar volumes of glycine and L-alanine in aqueous solutions of magnesium sulphate at (0.0, 0.1, 0.3, 0.7 and 1.0) molal were obtained between 278.15 K and 308.15 K. Additionally, partial molar volumes of transfer at infinite dilution and hydration numbers were calculated. In general, transfer volumes are higher for glycine then L-alanine. From the transfer volumes, it can be concluded that...
LINEAR IGA DERMATOSIS – SCROTAL CLUSTER OF GRAPES PRESENTATION
Linear IgA dermatosis, or chronic bullous disease of childhood, is an acquired subepidermic immunobullous disease. This case illustrates a peculiar form of presentation of an uncommon pathology of childhood and emphasizes the importance of dapsone in its treatment, especially in at a time when availability of this drug is limited.KEYWORDS – Immunoglobulin A; Autoimmune Diseases; Skin Diseases, Vesiculobullous; ...
NECROBIOTIC XANTHOGRANULOMA ASSOCIATED WITH GIANT CELL HEPATITIS
We describe a 44-year-old woman with recurrent episodes of red eye, myalgias, hypercholesterolemia, hypocomplementemia, monoclonal gammopathy and giant cell hepatitis that was observed due to erythematoviola- ceous plaque on the right arm. Skin biopsy revealed necrobiotic xanthogranuloma. This case illustrates the importance of accurate characterization of skin lesions in the setting of a systemic disease with ...
MYCOBACTERIUM HAEMOPHILUM SKIN INFECTION IN AN IMMUNOCOMPROMISED PATIENT
Mycobacterium haemophilum skin infection is a rare disease with a difficult diagnosis and a challenging treatment. We report the case of a patient on chronic corticotherapy for myositis with nodules on the lower limbs in which Mycobacterium haemophilum was identified by PCR technique. This case emphasizes the need for a high index of suspicion for the diagnosis. In fact, this infection can currently be underdia...
SYPHILIS IN A SEXUALLY TRANSMITTED DISEASES CLINIC – ANALYSIS OF 880 PATIENTS
Ferreira, Olga; Interna do Internato Complementar de Dermatologia e Venereologia/Resident, Dermatology and VenereologyIntroduction: Analysis of patients with syphilis in a sexually transmitted diseases (STD) clinic and characterization of patients with syphilis co-infected with human immunodeficiency virus (HIV) and syphilis in men who have sex with men (MSM). Methods: Retrospective study of social, demographic, clinical and laboratorial data of patients with the diagnosis of syphilis between 1998 and 2009. Results: This stu...
Multilocal programming and applications
Pereira, Ana I.; Ferreira, Olga; Pinho, Simão; Fernandes, Edite M.G.P.Multilocal programming aims to identify all local maximizers of unconstrained or constrained nonlinear optimization problems. The multilocal programming theory relies on global optimization strategies combined with simple ideas that are inspired in deflection or stretching techniques to avoid convergence to the already detected local maximizers. The most used methods to solve this type of problems are based on ...
Solubility of hesperetin in mixed solvents
Ferreira, Olga; Schröder, Bernd; Coutinho, João A.P.The study of the solubility of flavonoids is essential to support the design of several separation processes in the food and pharmaceutical industries. Hesperetin is a flavanone with great importance for its promising biological and pharmacological properties. Our previous studies included the measurement of the solubility of this biomolecule in several pure organic solvents [1]. In this work, new solubility da...
In-service teacher training in Portugal: objectives, organization and impact on...
Ferreira, Olga; Pereira, Ana I.; Silva, A.; Afonso, E.; Barreiro, M.F.This paper presents a short overview of teacher´s training as considered by the Portuguese legislation: (i) initial teacher education (ITE), (ii) specialized training and (iii) in-service teacher training. A particular emphasis will be given to in-service teacher training. Nowadays, ITE corresponds to level 7 of the European Qualifications Framework (master degree). It is a career-long professional development,...
Partial molar volumes of amino acids in aqueous solutions of magnesium chloride
Ferreira, Olga; Javornik, Ema; Pinho, SimãoThe lack of a deep molecular picture of the interactions which govern the biochemetry of vital processes is steel one critical issue in this area, which limits the development of pharmaceutical solutions for diseases induced by biochemical disorders [1]and the improvement of the efficiency of biotechnological processes [2].
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