6 research outputs found
Estudo comparativo do diagnĂłstico de cĂąncer pulmonar entre tomografia computadorizada e broncoscopia Comparative study between computed tomography and bronchoscopy in the diagnosis of lung cancer
OBJETIVO: Analisar a tomografia computadorizada e a broncoscopia no diagnĂłstico do cĂąncer pulmonar e verificar a eficĂĄcia destas tĂ©cnicas perante a presença desta doença. Os parĂąmetros idade, gĂȘnero, hĂĄbitos tabĂĄgicos, tipos histolĂłgicos, estadiamento e terapĂȘutica foram, igualmente, analisados. MATERIAIS E MĂTODOS: Foram analisados 70 pacientes do Serviço de Pneumologia do Hospital Distrital da Figueira da Foz, Coimbra, Portugal, que realizaram ambas as tĂ©cnicas em estudo, tendo-se confirmado ou nĂŁo a presença de cĂąncer pulmonar. RESULTADOS: Diagnosticaram-se 37 tumores pulmonares, 23 casos no gĂȘnero masculino e 14 no feminino. Histologicamente, 40,54% eram adenocarcinomas, seguido do carcinoma escamoso (32,43% dos casos) e do carcinoma de pequenas cĂ©lulas (18,92%). O estadiamento mostrou 6,70% no estĂĄdio IB, 23,30% no estĂĄdio IIIA comparativamente ao IIIB com 36,70%, encontrando-se 33,30% dos doentes no estĂĄdio IV. A quimioterapia isolada foi efetuada em 75,7% dos doentes. A sensibilidade da broncoscopia foi de 83,8%, a especificidade, de 81,8%, e a precisĂŁo, de 82,8%. A sensibilidade da tomografia computadorizada foi de 81,1%, a especificidade, de 63,6%, e a precisĂŁo, de 72,8%. CONCLUSĂO: Os resultados da broncoscopia confirmaram a sua importĂąncia no diagnĂłstico do cĂąncer pulmonar, pela dependĂȘncia deste no exame anatomopatolĂłgico do tecido ou cĂ©lulas, obtido por vĂĄrias tĂ©cnicas de biĂłpsia. A tomografia computadorizada apresentou boa sensibilidade, de 81,1%, contudo, a sua especificidade, de apenas 63,6%, resulta do nĂșmero de falso-positivos (36,4%).<br>OBJECTIVE: To analyze the role of computed tomography and bronchoscopy in the diagnosis of lung cancer, evaluating the effectiveness of these techniques in the presence of this disease. Parameters such as age, gender, smoking habits, histological types, staging and treatment were also analyzed. MATERIALS AND METHODS: The sample of the present study included 70 patients assisted at the Department of Pneumology of Hospital Distrital da Figueira da Foz, Coimbra, Portugal, who were submitted to both diagnostic methods, namely, computed tomography and bronchoscopy, to confirm the presence or the absence of lung cancer. RESULTS: Thirty-seven patients (23 men and 14 women) were diagnosed with lung cancer. Histologically 40.54% were adenocarcinoma, followed by squamous carcinoma (32.43% cases) and small-cell lung cancer (18.92%). Staging showed 6.70% stage IB disease, 23.30% stage IIIA and 36.70% stage IIIB, and 33.30% stage IV. Chemotherapy alone was the first treatment of choice for 75.7% of patients. Bronchoscopy sensitivity was 83.8%, specificity 81.8%, and accuracy 82.8%. Computed tomography sensitivity was 81.1%, specificity 63.6%, and accuracy 72.8%. CONCLUSION: Bronchoscopy results corroborated the relevance of the method in the diagnosis of lung cancer, considering its dependence on the anatomopathological study of tissue or cells obtained through different biopsy techniques. Computed tomography presented good sensitivity (81.1%), however the specificity of only 63.6% is related to the rate of false-positive results (36.4%)