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1.
Rev. AMRIGS ; 61(1): 45-50, jan.-mar. 2017. tab
Article in Portuguese | LILACS | ID: biblio-849236

ABSTRACT

Introdução: Analisar fatores associados e taxa de positividade de margem cirúrgica após ressecção primária de Câncer de Pele Não Melanoma (CNM). Métodos: Estudo transversal, quantitativo, realizado mediante a revisão de prontuários de pacientes submetidos à ressecção cirúrgica de carcinoma basocelular (CBC) e espinocelular (CEC) de pele. Foram estudadas as seguintes variáveis: idade, tipo de câncer, localização, diâmetro, variante histológica, presença de ulceração, presença e ressecção de lesões associadas e presença de comprometimento de margens cirúrgicas. Resultados: Foram inclusos 183 paciente no estudo. Destes, 130 eram CBC (71%) e 53 eram CEC (29%). A taxa global de comprometimento de margem foi de 13,1%, sendo 21 CBC (16%) e 3 CEC (5,66%). Margens cirúrgicas positivas estiveram mais associadas a lesões do tipo CBC (p<0,05) e em lesões localizadas em nariz e pálpebra (p<0,05). Presença de ulceração, diâmetro das lesões e variante histológica não foram associadas a uma maior taxa de ressecções incompletas. Conclusão: Nossa taxa global de ressecção incompleta de Câncer de Pele (CNM) apresenta-se semelhante ao encontrado na literatura. Lesões por CBC ou localizadas em nariz e pálpebra têm maiores taxas de positividade de margem após ressecção primária (AU)


Introduction: To analyze associated factors and surgical margin positivity rate after primary resection of Non-Melanoma Skin Cancer (NMC). Methods: A cross-sectional, quantitative study was carried out by reviewing medical records of patients submitted to surgical resection of basal cell carcinoma (BCC) and squamous cell carcinoma (SCC) of the skin. The following variables were studied: age, type of cancer, location, diameter, histological variant, presence of ulceration, presence and resection of associated lesions, and presence of surgical margins involvement. Results: 183 patients were included in the study. Of these, 130 were BCC (71%) and 53 were SCC (29%). The overall rate of margin involvement was 13.1%, of which 21 were CBC (16%) and 3 SCC (5.66%). Positive surgical margins were more associated with BCC lesions (p <0.05) and lesions located in the nose and eyelid (p <0.05). Presence of ulceration, lesion diameter and histological variant were not associated with a higher rate of incomplete resections. Conclusion: Our overall rate of incomplete resection of Skin Cancer is similar to that found in the literature. Lesions by BCC or located in the nose and eyelid have higher rates of margin positivity after primary resection (AU)


Subject(s)
Humans , Male , Female , Middle Aged , Aged , Skin Neoplasms/surgery , Carcinoma, Squamous Cell/surgery , Neoplasms, Basal Cell/surgery , Margins of Excision , Skin Neoplasms/epidemiology , Brazil/epidemiology , Cross-Sectional Studies , Risk Factors , Neoplasm, Residual/epidemiology
2.
GED gastroenterol. endosc. dig ; 31(4): 134-137, out.-dez. 2012. tab
Article in Portuguese | LILACS | ID: lil-737151

ABSTRACT

Introdução: o tratamento cirúrgico do GIST para fins curativos baseia-se na ressecção completa do tumor com margens livres, sem ruptura tumoral com linfadenectomia de amostragem. Objetivo: análise e comparação do impacto na sobrevida dos pacientes tratados por cirurgia que tiveram margens livres (R0) e margens microscopicamente comprometidas (R1). Material e métodos: análise retrospectiva de todos os casos de GIST tratados no INCA (Instituto Nacional do Câncer) no período de 1997 a 2010, com ênfase na margem cirúrgica definida como R1, doença residual microscópica e R0 sem comprometimento de margens. Resultados: estudamos 190 pacientes e encontramos comprometimento microscópico das margens em 4 casos vs. 129 com margens livres. A sobrevida global média dos casos R0 foi de 48 meses, enquanto a do grupo R1 foi de 46 meses. Não encontramos diferença estatisticamente significativa. Conclusão: este estudo sugere que a margem cirúrgica microscopicamente comprometida não é um fator prognóstico adverso.


Introduction: surgical treatment of GIST for curative purposes is based on complete tumor resection with free margins, without rupturing the tumor, with lymph node sampling. Objective: analysis and comparison of the impact on survival of patients treated by surgery who had clear margins (RO) and margins microscopically involved (R1). Methods: retrospective analysis of all cases of GIST treated at INCA for the period 1997 to 2010 with emphasis on surgical margin defined as R1, and R0 microscopic residual disease without compromising margins. Results: we studied 190 patients and found microscopic involvement of margins in cases vs 4. 129 with free margins. The median overall survival of cases R0 was 48 months while the R1 group was 46 months. We found no significant difference. Conclusion: this study suggests that surgical margins microscopically committed is not as adverse prognostic factor.


Subject(s)
Humans , Male , Female , Gastrointestinal Stromal Tumors , Gastrointestinal Neoplasms , Retrospective Studies , Gastrointestinal Stromal Tumors/surgery , Margins of Excision
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