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Einstein (Säo Paulo) ; 13(4): 506-509, Oct.-Dec. 2015.
Article in Portuguese | LILACS | ID: lil-770495

ABSTRACT

ABSTRACT Objective To analyze the distribution of larger diameter in the pathological report of cutaneous melanoma patients. Methods Data were obtained from patients seen from 1994 to 2015. Date, sex, age, maximum diameter, histological subtype, primary site, microscopic thickness, mitoses, ulceration, vertical growth phase, and regression were the variables studied. This study was approved by the National Ethics Committee - Brazil Platform. Patients were grouped into smaller diameter (≤6mm) and larger diameter (>6mm). The statistical analysis used the χ2test (p<0.05). Results Of the 292 patients analyzed, 123 were seen between 1994 and 2004, and 169 between 2005 and 2015; in that, 151 women and 141 men, mean age of 52 years. The diameters ranged from 2 to 76mm (mean of 14mm), 81 patients with smaller diameter (≤6mm) and 211 with larger diameter (>6mm). Out of 81 patients with smaller diameter, 29 had invasive melanoma, while 179 of the 211 with larger diameter were invasive. A difference was observed in frequency of vertical growth phase. Conclusion Pigmented skin lesions with diameter smaller than 6mm should not be an excluding factor for biopsies, especially when patients present risk of developing skin cancer.


RESUMO Objetivo Analisar a distribuição do maior diâmetro reportado no laudo histopatológico de portadores de melanoma cutâneo. Métodos Os dados foram obtidos de pacientes atendidos de 1994 a 2015. Data, sexo, idade, diâmetro máximo, subtipo histopatológico, sítio primário, espessura microscópica, mitoses, ulceração, fase de crescimento e regressão foram as variáveis estudadas. O estudo foi aprovado pela Comissão Nacional de Ética em Pesquisa na Plataforma Brasil. Os pacientes foram agrupados em diâmetro menor (≤6mm) e maior (>6mm). Análise estatística utilizou o teste χ2 (p<0,05). Resultados Dos 292 pacientes analisados, 123 foram atendidos entre 1994 e 2004, e 169 entre 2005 e 2015, sendo 151 mulheres e 141 homens, com média de idade de 52 anos. Os diâmetros variaram de 2 a 76mm (média de 14mm), sendo 81 pacientes com diâmetro menor que 6mm e 211 com diâmetro maior. Dos 81 pacientes com diâmetro menor, 29 apresentavam melanoma invasivo, enquanto 179 dos 211 com diâmetro maior eram invasivos. Houve também diferença de frequência da fase de crescimento vertical. Conclusão Diâmetro de lesões pigmentadas menor que 6mm não deve ser fator excludente para realização de biópsias, especialmente para paciente de risco para câncer de pele.


Subject(s)
Adolescent , Adult , Aged , Aged, 80 and over , Female , Humans , Male , Middle Aged , Young Adult , Early Detection of Cancer/standards , Melanoma/pathology , Nevus, Pigmented/pathology , Tumor Burden , Biopsy , Chi-Square Distribution , Mitotic Index , Melanoma/prevention & control , Neoplasm Invasiveness
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