The incidence of cutaneous melanoma (MM) is increasing worldwide. The best therapeutical solution for MM is early diagnosis and efforts over the last 50 years have been directed towards early and precise diagnoses. Dermoscopy has improved diagnostic accuracy compared to the naked eye, but is limited by an associated higher number of unnecessary excisions. Reflectance confocal microscopy (RCM) is a novel technique enabling in vivo examination of the skin at cellular-level resolution, with excellent diagnostic accuracy. This study hypothesis is that the systematic application of RCM in the triage and management of patients suspicious for skin cancer, may improve diagnostic accuracy and reduce the number of unnecessary biopsy. Reducing the burden of unnecessary surgery excisions should benefit the health system, both in saving surgical and pathology procedural associated costs and reducing the overwhelming waiting lists for excisions and consequent risk for delayed diagnoses.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
DIAGNOSTIC
Masking
SINGLE
Enrollment
3,248
Adjunctive reflective confocal microscopy to dermoscopy and clinical dermatological evaluation.
Dermoscopy and clinical dermatological evaluation only
Number needed to excise (NNE)
Measure the number of lesions needed to excise for a cutaneous melanoma diagnosis
Time frame: 03/2016 - 02/2020
Early diagnosis
Measure the breslow index of excised lesions
Time frame: 03/2016 - 02/2020
RCM diagnostic sensibility and sensitivity
Diagnostic sensibility of RCM in identifying cutaneous melanoma among equivocal lesions suspicious for melanoma (without clear demoscopy criteria for melanoma)
Time frame: 03/2016 - 02/2020
Head and neck pigmented lesions
Diagnostic accuracy of pigmented head and neck lesions where differential diagnosis is difficult to achieve and improper treatments (cryotherapy, laser, radiofrequency).
Time frame: 03/2016 - 02/2020
Diagnostic accuracy of non melanoma skin cancer
Pre-and intra-operative imaging for surgical margins
Time frame: 03/2016 - 02/2020
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