Results: 22645

Immunotherapy of melanoma: peptide mimics of a human high molecular weight-melanoma associated antigen

Medicina (B.Aires); 60 Suppl 2 (), 2000
The realization that tumor cells utilize multiple mechanisms to escape from immune recognition and destruction has stimulated interest in developing and applying immunotherapeutic strategies which target both humoral and cellular immunity to malignant cells. As a result, the tumor-associated antigens (TA...

Apoptosis e infección por el virus de la inmunodeficiencia humana (HIV)
[Apoptosis and human immunodeficiency virus infection (HIV]

Medicina (B.Aires); 60 Suppl 2 (), 2000
Generalized activation of the immune system after HIV infection leads to an exacerbation of all apoptotic mechanisms. CD4+, CD8+ T lymphocytes and B lymphocytes are sensitized to apoptotic stimuli. Macrophages are important in the removal of apoptotic cells, they prevent apoptotic cell accumulation durin...

Avaliaçäo do método de Ogawa: Kudoh para o isolamento de micobactérias
Evaluation of the Ogawa: Kudoh method for the isolation of mycobacteria

Rev. Inst. Adolfo Lutz; 58 (2), 1999
O objetivo deste estudo foi avaliar o desempenho do método de descontaminaçäo de Ogawa - Kudoh e a técnica de "swab" em meio de Ogawa (MOK), paralelamente à metodologia tradicional de Petroff em meio de Lowenstein - Jensen (MP) para o isolamento de micobactérias de especimes clínicos de origem pul...

Sensibilidade e especificidade da core biopsy estereotática no diagnóstico histopatológico das lesöes mamárias impalpáveis
Sensitivity and specificity of the stereotaxic core biopsy in the diagnosis of non palpable lesions of the breast

Recentemente a core biopsy estereotática tem sido proposta como método alternativo na avaliação inicial de lesões mamárias impalpáveis. Objetivo. Os autores propõem-se a analisar a acurácia do diagnóstico histopatológico em material de core biopsy estereotática. Discutem a aplicabilidade de t...

Resultados tardios da operaçäo de Heller associada à fundoplicatura no tratamento do megaesôfago: análise de 83 casos
Late results of Heller operation and fundoaplication for the treatment of the megaesophagus: analysis of 83 cases

Objetivo. Estudo retrospectivo dos resultados tardios dos pacientes submetidos a miotomia e fundoplicatura para o tratamento do megaesôfago. Casuística e Métodos. Foram estudados 83 pacientes com seguimento de um a 186 meses (média de 40,0 + 47,4 meses). A fundoplicatura em três planos, proposta por...

Formaçäo do cirurgiäo em cirurgia laparoscópica do aparelho digestivo. Experiência de 1.818 intervençöes sem acidentes e sem mortalidade
Digestive tract laparoscopic surgeon formations. experience de 1.818 interventions whithout complications or mortality

Desde a instalação da cirurgia laparoscópica no Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo, a Disciplina de Cirurgia do Aparelho Digestivo passou a estruturar um programa para a formação do cirurgião em laparoscopia do aparelho digestivo. Objetivo. A estrutura de ...

Lymphocele: a possible relationship with acute cellular rejection in kidney transplantation

Säo Paulo med. j; 117 (6), 1999
CONTEXT: The incidence of lymphocele after renal transplantation varies between 0.6 and 18 percent of cases, and many factors have been associated to its etiology. Cellular rejection of the kidney allograft has been described as a possible causal factor of lymphocele. OBJECTIVE: To analyze the possible r...

Comparison between the confort and hartwig sedation scales in pediatric patients undergoing mechanical lung ventilation

Säo Paulo med. j; 117 (5), 1999
CONTEXT: A high number of hospitalized children do not receive adequate sedation due to inadequate evaluation and use of such agents. With the increase in knowledge of sedation and analgesia in recent years, concern has also risen, such that it is now not acceptable that incorrect evaluations of the stat...

Use of a platysma myocutaneous flap for the reimplantation of a severed ear: experience with five cases

Säo Paulo med. j; 117 (5), 1999
CONTEXT: The traumatic loss of an ear greatly affects the patient because of the severe aesthetic deformity it entails. The characteristic format of the ear, with a fine skin covering a thin and elastic cartilage, is not found anywhere else in the human body. Thus, to reconstruct an ear, the surgeon may ...

Angled telescopic surgery, an approach for laryngeal diagnosis and surgey without suspension

Säo Paulo med. j; 117 (5), 1999
CONTEXT: Many methods have been used successfully for the diagnosis and treatment of laryngeal diseases. Microscopic and, recently, telescopic surgery represent the state of the art in endoscopic laryngeal surgery but drawbacks are possible during their application. To keep the suspension apparatus adequ...