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Journal of the American Academy of Dermatology
Volume 71, n° 1
page 21 (juillet 2014)
Doi : 10.1016/j.jaad.2014.02.011
accepted : 5 February 2014
Original Articles

Turning the tide? Changes in treatment rates for keratinocyte cancers in Australia 2000 through 2011
 

Catherine M. Olsen, PhD a, , Patricia F. Williams, MD b, David C. Whiteman, MBBS, PhD a
a Cancer Control Group, Population Health Department, QIMR Berghofer Medical Research Institute, Queensland, Australia 
b Virginia Commonwealth University Dermatology Residency Program, Richmond, Virginia 

Reprint requests: Catherine M. Olsen, PhD, QIMR Berghofer Medical Research Institute, Post Office Royal Brisbane Hospital, Q 4029 Australia.
Abstract
Background

Keratinocyte cancers (basal cell carcinoma, squamous cell carcinoma) are the commonest cancers in human beings. Population data on incidence trends are scant because few jurisdictions reliably record diagnoses or treatments.

Objective

We sought to examine temporal trends of treating keratinocyte cancers in Australia.

Methods

We analyzed Medicare Australia data relating to the diagnosis and treatment of keratinocyte skin cancer between 2000 and 2011. We examined counts and rates for each procedure, and the average annual percentage rate of change.

Results

There were significant increases in excision rates for keratinocyte cancers (3.3% per annum for men and 2.2% per annum for women), however temporal trends differed significantly by age group. Although annual increases in excision rates were highest for men aged 75 to 84 years (8.6% per annum), they declined significantly for men and women younger than 45 years. Skin biopsy rates increased substantially in all age groups over the study period, suggesting no lessening in skin cancer surveillance in any age group.

Limitations

The Medicare data do not include services provided in public hospitals, however fewer than 2% of skin cancers are treated in these settings.

Conclusions

Although overall treatment rates for keratinocyte cancers have increased substantially during the past decade, excision rates are declining in younger Australians.

The full text of this article is available in PDF format.

Key words : basal cell carcinoma, skin cancer, squamous cell carcinoma

Abbreviations used : AAPC, BCC, SCC



 Drs Olsen and Williams contributed equally to this manuscript and are recognized as equal first authors.
 Dr Whiteman is a Future Fellow of the Australian Research Council. Dr Williams was supported by the Virginia Commonwealth University School of Medicine.
 Conflicts of interest: None declared.



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