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Increasing incidence of lentigo maligna melanoma subtypes: northern California and national trends 1990-2000.
Swetter, Susan M; Boldrick, Jennifer C; Jung, Sandy Y; Egbert, Barbara M; Harvell, Jeff D.
Afiliação
  • Swetter SM; Dermatology Service, Veterans Affairs Palo Alto Health Care System, Palo Alto, California, USA. sswetter@stanford.edu
J Invest Dermatol ; 125(4): 685-91, 2005 Oct.
Article em En | MEDLINE | ID: mdl-16185266
ABSTRACT
Worldwide, lentigo maligna melanoma (LMM) comprises 4%-15% of cutaneous melanoma and occurs less commonly than superficial spreading or nodular subtypes. We assessed the incidence of melanoma subtypes in regional and national Surveillance, Epidemiology, and End Results (SEER) cancer registry data from 1990 to 2000. Because 30%-50% of SEER data were not classified by histogenetic type, we compared the observed SEER trends with an age-matched population of 1024 cases from Stanford University Medical Center (SUMC) (1995-2000). SEER data revealed lentigo maligna (LM) as the most prevalent in situ subtype (79%-83%), and that LMM has been increasing at a higher rate compared with other subtypes and to all invasive melanoma combined for patients aged 45-64 and > or =65 y. The SUMC data demonstrated LM and LMM as the only subtypes increasing in incidence over the study period. In both groups, LM comprised > or =75% of in situ melanoma and LMM > or =27% of invasive melanoma in men 65 y and older. Regional and national SEER data suggest an increasing incidence of LM and LMM, particularly in men > or =age 65. An increased incidence of LM subtypes should direct melanoma screening to heavily sun-exposed sites, where these subtypes predominate.
Assuntos
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Bases de dados: MEDLINE Assunto principal: Neoplasias Cutâneas / Sarda Melanótica de Hutchinson Tipo de estudo: Incidence_studies / Prognostic_studies / Risk_factors_studies Limite: Humans País/Região como assunto: America do norte Idioma: En Revista: J Invest Dermatol Ano de publicação: 2005 Tipo de documento: Article País de afiliação: Estados Unidos
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Bases de dados: MEDLINE Assunto principal: Neoplasias Cutâneas / Sarda Melanótica de Hutchinson Tipo de estudo: Incidence_studies / Prognostic_studies / Risk_factors_studies Limite: Humans País/Região como assunto: America do norte Idioma: En Revista: J Invest Dermatol Ano de publicação: 2005 Tipo de documento: Article País de afiliação: Estados Unidos