Abstract
Dermoscopy is a noninvasive technique for the evaluation of different pigments and microstructures of the epidermis, dermoepidermal junction, and papillary dermis that are not apparent to the naked eye, which therefore improves diagnostic accuracy. This study aims to describe the characteristic dermoscopic features of bullous diseases and analyze the characteristic dermoscopic features of bullous diseases of the skin and hair. A descriptive study was conducted to describe and analyze the characteristic dermoscopic features of bullous diseases in the Zagazig University Hospitals. This study enrolled 22 patients. Dermoscopy revealed yellow hemorrhagic crusts in all patients and white yellow structure with red halo in 90.9% of patients. Pemphigus vulgaris patients were identified by the presence of dermoscopic clues such as bluish deep discoloration, tubular scaling, black dots, hair casts, hair tufts, yellow dots with whitish halos (fried egg sign) and yellow follicular pustules that are not seen in pemphigus foliaceus and IgA pemphigus. Dermoscopy is an important tool that serves as a link between clinical and histopathological diagnoses, and it can easily be used in daily practice. Several suggestive dermoscopic features can help in the differential diagnosis of autoimmune bullous disease but only after making a provisional clinical diagnosis. Dermoscopy is a very useful tool in the differentiation of pemphigus subtypes.
Published Version
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