Flat scalp melanoma dermoscopic and reflectance confocal microscopy features correspond to histopathologic type and lesion location
Journal of the European Academy of Dermatology and Venereology May 12, 2021
Garbarino F, Pampena R, Lai M, et al. - In the present study, the researchers sought to analyze dermoscopic and reflectance confocal microscopy (RCM) features of atypical melanocytic lesions of the scalp, according to distinct topographic areas and histopathology melanoma classification as lentigo maligna melanoma (LMM) or superficial spreading melanoma (SSM). From June 2007 to April 2020, they retrospectively retrieved images of suspicious, atypical excised, flat melanocytic lesions of the scalp, assessed on dermoscopy and RCM at five centers. Two hundred forty-seven lesions were included. Male sex, baldness and chronic sun damage skin were linked to all types of melanomas, and in particular with LM/LMM. The dermoscopy presence of pseudo‐network, pigmented rhomboidal structures, obliterated hair follicles and annular‐granular pattern were related to LM diagnoses, while bluish‐white veil was more typical of SSM. Flat scalp melanomas show specific dermoscopic and RCM characteristics according to histopathologic type and scalp location.
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