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J Am Acad Dermatol. 2012 Jul;67(1):e17-27. doi: 10.1016/j.jaad.2011.04.008. Epub 2011 Jun 16.

Benefits of total body photography and digital dermatoscopy ("two-step method of digital follow-up") in the early diagnosis of melanoma in patients at high risk for melanoma.

Author information

1
Melanoma Unit, Dermatology Department, Hospital Clinic of Barcelona, Institut d'investigacions Biomèdiques August Pi i Sunyer, Barcelona, Spain.

Abstract

BACKGROUND:

Early detection of melanoma is the best way to improve prognosis. Digital follow-up (DFU) programs of populations at high risk could be an efficient strategy for detecting early melanomas with low morbidity.

OBJECTIVE:

We sought to report the added value of the use of the "two-step method" (digital total body photography and digital dermatoscopy).

METHODS:

This was an analysis of the surveillance of 618 patients at high risk for melanoma included in our DFU program from 1999 to 2008.

RESULTS:

A total of 11,396 lesions were monitored (mean 18.44/patient) during a median follow-up of 96 months (median 10 visits/patient). A total of 1152 lesions, 1.86 per patient, were excised. Almost 70% (798) were lesions previously registered at least twice, whereas 356 (30%) were detected and removed in the same visit. During follow-up, 98 melanomas (8.5% of excised lesions) were diagnosed in 78 patients (12.6%). In all, 53 melanomas were in situ (53.3%), whereas invasive (45) showed a Breslow index of less than 1 mm (median 0.5 mm) and none were ulcerated.

LIMITATIONS:

Because there are no control groups we cannot determine if the combined use of total body photography and digital dermatoscopy is more beneficial than these techniques used separately.

CONCLUSION:

DFU with total body photography and dermatoscopy in a selected population at high risk demonstrated the early detection of melanomas with a low rate of excisions. Long-term follow-up is required to allow the detection of slow-growing melanomas. Based on our 10-year experience, melanomas can be diagnosed at any time, suggesting that in a population at high risk for melanoma, DFU should be maintained over time.

PMID:
21683472
PMCID:
PMC3215791
DOI:
10.1016/j.jaad.2011.04.008
[Indexed for MEDLINE]
Free PMC Article

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