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Rev. bras. otorrinolaringol ; 74(1): 74-78, jan.-fev. 2008. ilus, tab
Article in English, Portuguese | LILACS | ID: lil-479831

ABSTRACT

O comprometimento do espaço pré-epiglótico pode alterar a indicação de cirurgias parciais da laringe. OBJETIVO: Avaliar a concordância inter e intra-observadores da análise da tomografia computadorizada do envolvimento do espaço pré-epiglótico (EPE) por carcinoma epidermóide do trato aerodigestivo superior e sua repercussão no planejamento terapêutico. MATERIAL DE MÉTODO: Foram analisadas retrospectivamente as tomografias computadorizadas, do período de 1990 a 2004, de 95 pacientes com carcinoma epidermóide, sendo 87 do sexo masculino e apenas 8 eram do sexo feminino, com idade variando de 32 a 73 anos. Os exames foram avaliados duas vezes por três radiologistas, separadamente, sem o conhecimento prévio do estadiamento clínico. Todos os pacientes não haviam recebido qualquer tratamento até o momento do exame de imagem, como cirurgia, quimioterapia ou radioterapia. Todos os casos tiveram o diagnóstico confirmado por biópsia. As informações foram obtidas baseadas na revisão de prontuários médicos. RESULTADOS: O índice Kappa foi calculado para estimar a concordância entre os três observadores. A força de concordância variou de boa a excelente. CONCLUSÃO: Após um Kappa geral de 0,72, o resultado sugere uma concordância geral boa na avaliação do envolvimento do espaço EPE através de tomografia computadorizada.


The involvement of pre-epiglottis space can change the indication for partial laryngeal resection. AIM: The aim of this study was to evaluate inter-observer and intra-observer agreement by means of computed tomography analysis regarding the involvement of the pre-epiglottis space (PES) from carcinoma of the upper aerodigestive tract and its relation with therapeutic planning. MATERIALS AND METHODS: Retrospective study of ninety-five computed tomography exams of patients with squamous cell carcinoma, from 1990 to 2004, were selected and evaluated; 87 were males and eight females, with ages ranging from 32 to 73 years. Imaging results were analyzed twice by three radiologists, individually, without any previous knowledge of the clinical stage. No patient had received any previous treatment up to the moment of imaging examination, such as surgery, chemotherapy or radiotherapy. All the cases were confirmed by biopsy. Information was obtained from the medical charts. RESULTS: Kappa Index was calculated by assessing agreement between the three observers. We obtained substantial to almost perfect levels of agreement. CONCLUSIONS: After a general Kappa Index of 0.72, the results suggest a substantial agreement in the involvement of the PES by means of computed tomography analysis.


Subject(s)
Adult , Aged , Female , Humans , Male , Middle Aged , Carcinoma, Squamous Cell/pathology , Epiglottis/pathology , Hypopharyngeal Neoplasms/pathology , Laryngeal Neoplasms/pathology , Carcinoma, Squamous Cell , Epiglottis , Hypopharyngeal Neoplasms , Laryngeal Neoplasms , Neoplasm Invasiveness , Observer Variation , Reproducibility of Results , Retrospective Studies , Tomography, X-Ray Computed
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