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J Cutan Med Surg. 2002 May-Jun;6(3):207-9. Epub 2002 Apr 15.

The majority of cutaneous squamous cell carcinomas arise in actinic keratoses.

Author information

  • 1The Austin and Repatriation Medical Centre, Heidelberg, Australia. knoxsurgi@bigpond.com

Abstract

BACKGROUND:

Retrospective studies have given conflicting results with respect to how many cutaneous squamous cell carcinomas (SCCs) arise in actinic keratoses (AK).

OBJECTIVE:

This study was conducted to determine what percentage of SCCs arise in AKs and to obtain more information about two histological features of SCCs, namely, thickness and ulceration.

METHODS:

A prospective study was done of all SCCs treated by the authors during one calendar year.

RESULTS:

Two hundred eight patients with SCC were entered into the study. An AK was contiguous with an SCC in 72% of the cases. This was taken as evidence that the SCC arose in the AK. Men presented with thicker and more ulcerated SCCs than women, but these were not statistically significant: p = 0.06 for thickness and p = 0.07 for ulceration. Ulcerated SCCs were more likely to arise on the head and neck (p = 0.02), on patients who had multiple skin cancers (p = 0.005), and on patients who had a family history of skin cancer (p = 0.03).

CONCLUSION:

Actinic keratoses need to be removed before they turn into SCCs. The prognostic significance of ulceration of cutaneous SCCs needs to be determined.

PMID:
11951126
[PubMed - indexed for MEDLINE]
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