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Τετάρτη 13 Ιουνίου 2018

Association between Breslow Thickness and Dermoscopic Findings in Acral Melanoma

Publication date: Available online 13 June 2018
Source:Journal of the American Academy of Dermatology
Author(s): Je-Ho Mun, Gwanghyun Jo, Claudia C. Darmawan, Jin Park, Jung Min Bae, HyunJu Jin, Woo-Il Kim, Hoon-Soo Kim, Hyun-Chang Ko, Byung-Soo Kim, Moon-Bum Kim
BackgroundDermoscopy is a useful tool for the diagnosis of acral melanomas (AM). However, little is known about the influence of tumor thickness on the dermoscopic findings of AM.ObjectiveTo investigate the impact of Breslow thickness (BT) on the dermoscopic patterns of AM.MethodsData on cases of AM on the glabrous skin were collected from four university hospitals. We investigated the frequency of each dermoscopic feature of AM according to the BT. Statistical analysis was performed to investigate the association between the specific dermoscopic patterns and BT.ResultsMultivariable analysis revealed that red (odds ratio [OR] 16.482, 95% confidence interval [CI] 3.605-99.016), blue (OR 7.092; 95% CI 1.707-37.435), and white colors (OR 5.048, 95% CI 1.152-22.897) were more common in AM with BT >2 mm. Regarding patterns, atypical vascular patterns (OR 34.589, 95% CI 6.458-305.852), blue-white veil (OR 9.605, 95% CI 1.971-72.062), and ulcers (OR 5.084, 95% CI 1.145-24.152) were more frequently detected in cases with BT >2 mm.LimitationsA retrospective study design and small sample sizeConclusionThis study showed an association between dermoscopic patterns and tumor thickness among patients with AM. Dermoscopy can be a useful adjuvant tool in predicting BT in AM.



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