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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Computer determination of total lung capacity from X-ray images.

Paul, John Lawrence. January 1973 (has links)
No description available.
2

Computer determination of total lung capacity from X-ray images.

Paul, John Lawrence. January 1973 (has links)
No description available.
3

Estudo epidemiológico das neoplasias pulmonares submetidas a tratamento cirúrgico e das inoperáveis ao diagnóstico

Ximenes, Agláia Moreira Garcia January 2019 (has links)
Orientador: Daniele Cristina Cataneo / Resumo: Objetivo: Comparar características epidemiológicas dos pacientes com diagnóstico de carcinoma broncogênico submetidos a tratamento cirúrgico com aqueles inoperáveis ao diagnóstico, identificar os fatores que levaram ao diagnóstico tardio e propor um novo protocolo de diagnóstico rastreamento. Métodos: estudo observacional retrospectivo, através de coleta de dados de prontuários de pacientes com diagnóstico de carcinoma broncogênico atendidos entre 2005 e 2018. Foram coletados dados clínicos, de exames laboratoriais, exames de imagem e terapêutica instituída. A amostra foi submetida análise descritiva de frequências. Em seguida foi dividida em dois grupos: operado e não operado, que foram comparados utilizando teste do qui quadrado e teste t, considerando significativo p < 0,05. As variáveis foram comparadas com a sobrevida utilizando os testes citados e o método de Kaplan-Meier para obtenção das curvas de sobrevida. Resultados: foram avaliados 230 pacientes com diagnóstico tomográfico ou anátomo-patológico de carcinoma broncogênico, tendo mais de 50% da amostra estadio avançado. Apenas 42 pacientes apresentavam doença operável ao diagnóstico. Nos dois grupos a massa pulmonar ao diagnóstico foi o achado de imagem mais frequente, visível na radiografia simples. No grupo inoperável, houve maior prevalência de sintomas e alterações laboratoriais associadas. A sobrevida foi impactada de forma negativa por alterações laboratoriais, tamanho do tumor e pior pontuação nos scores de pe... (Resumo completo, clicar acesso eletrônico abaixo) / Abstract: Objective: to compare patients diagnosed with bronchogenic carcinoma who underwent surgical resection and those with inoperable disease at diagnosis, to identify factors leading to late diagnosis and to suggest a new diagnosis and screening protocol. Method: retrospective observational study, through data available in medical records from patients diagnosed with bronchogenic carcinoma between 2005 and 2018. We collected data regarding clinical features, laboratory exams, imaging exams and treatment. Data was analyzed using descriptive statistics and frequency distributions. Patients were also divided into two groups: operable and inoperable, and comparisons between these groups were made using Chi-square test and Student’s t test. We considered the differences significant when p < 0,05. All variables were compared to survival using the same tests and through the Kaplan-Meier Method. Results: we evaluated 230 patients who had tomographic or pathological diagnosis of bronchogenic carcinoma. More than 50% of the patients were in advanced stages of the disease, and only 42 patients had operable disease when diagnosed. In both groups, pulmonary mass was the most frequent alteration at diagnosis, and all were visible in chest radiograph. Among the patients in the inoperable group, symptoms and altered laboratory exams were more frequent. Presence of laboratory alterations, dyspnea, tumor size and worse punctuation in performance scores resulted in lower survival rates. Conclusion: ... (Complete abstract click electronic access below) / Mestre

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