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- Title
Reflectance Confocal Microscopy of Pigmented Bowen's Disease: A Case Series of Difficult to Diagnose Lesions.
- Authors
Mazzilli, Sara; Gamo-Villegas, Reyes; Pampin-Franco, Ana; Lopez Estebaran, Jose Luis; Pinedo, Fernando; Vollono, Laura; Di Prete, Monia; Campione, Elena; Gonzalez, Salvador
- Abstract
Pigmented Bowen's disease is a rare variant of in situ squamous skin cell carcinoma. It mainly affects patients between 60 and 70 years of age. Its clinical features include welldemarcated, pigmented plaque arising in photo-exposed areas of the body. The bestcharacterized feature of the disease by histological examination is the presence of atypical keratinocytes, hyperpigmentation of the epidermis with trans-epidermal elimination of melanin and dermal melanophages. Precise diagnosis is often difficult, both clinically and dermoscopically, as Bowen's disease is often mistaken with keratinocyte tumors such as solar lentigines, seborrheic keratosis, Bowenoid papulosis, pigmented basal cell carcinoma, pigmented actinic keratosis; or even melanocytic lesions such as melanocytic nevus, pigmented epithelioid melanocytoma, and melanoma. Precise diagnosis often requires biopsy and histopathological examination of the tissue. Reflectance confocal microscopy is a noninvasive technique to diagnose pigmented skin lesions. To date, not much data are available regarding its use in the diagnosis of pigmented Bowen's disease. Herein, we report a well-represented case series of pigmented Bowen's disease imaged using dermoscopy and reflectance confocal microscopy.
- Subjects
BOWEN'S disease; SQUAMOUS cell carcinoma; CONFOCAL microscopy; BASAL cell carcinoma; ACTINIC keratosis; DYSPLASTIC nevus syndrome; NEVUS
- Publication
Case Reports in Dermatology, 2020, Vol 12, Issue 2, p98
- ISSN
1662-6567
- Publication type
Article
- DOI
10.1159/000507916