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World Journal of Surgery

, Volume 23, Issue 7, pp 732–735 | Cite as

Incidence of Malignant Melanoma in Auckland, New Zealand: Highest Rates in the World

  • Wayne O. Jones
  • C. Richard Harman
  • Alexander K.T. Ng
  • James H.F. Shaw

Abstract.

The calculation of incidence rates of melanoma in New Zealand has been hampered in the past by incomplete registration of cases. The aim of this study was to document the incidence of melanoma in the Auckland Caucasian population and to define the pathologic characteristics of these lesions. Data were collected for the Auckland region from the New Zealand Cancer Registry and the Auckland Melanoma Unit database for 1995 and combined with census statistics to give the crude and age-standardized rates for invasive melanoma. The results were analyzed by gender, morphology, body site, and thickness. The crude annual incidence for invasive cutaneous malignant melanoma was 77.7/100,000. The age-standardized annual rate was 56.2/100,000 with no statistically significant differences in the rates for males and females. The cumulative risk of developing melanoma over a lifetime, from age 0 to 74, was 5.7% overall. The age-specific rates steadily increase with advancing age. The lesions were generally thin; 64% were less than 0.76 mm, and only 7% were thicker than 3.00 mm. In conclusion, the Caucasian population in the Auckland region has the highest incidence of melanoma in the world.

Keywords

Melanoma Incidence Rate Cancer Registry Pathologic Characteristic Annual Rate 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Société Internationale de Chirugie 1999

Authors and Affiliations

  • Wayne O. Jones
    • 1
  • C. Richard Harman
    • 1
  • Alexander K.T. Ng
    • 1
  • James H.F. Shaw
    • 1
  1. 1.Department of Surgery, Auckland Hospital, Park Road, Private Bag, Auckland, New Zealand

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