Dermoscopy of mucosal lesions
- Andreas Blum, MD, MSc
Andreas Blum, MD, MSc
- Associate Professor of Dermatology - Faculty of Medicine
- University of Tuebingen, Germany
- Olga Simionescu, MD, PhD
Olga Simionescu, MD, PhD
- Professor and Head, 1st Clinic of Dermatology
- Carol Davila University of Medicine and Pharmacy
- Giuseppe Argenziano, MD
Giuseppe Argenziano, MD
- Associate Professor and Coordinator of the Skin Cancer Unit
- Arcispedale S. Maria Nuova IRCCS, Reggio Emilia
Dermoscopy, also called dermatoscopy or epiluminescence microscopy, is a noninvasive technique performed using a handheld instrument called a dermatoscope. Dermoscopy is widely used for the examination of pigmented and nonpigmented lesions of the skin, scalp, nails, palms, and soles. It increases the clinician's diagnostic accuracy and may allow the recognition of malignant skin tumors at an early, curable stage [1-6].
There is increasing evidence that dermoscopy may also be helpful for formally trained clinicians to differentiate benign from malignant or suspicious lesions arising in the mucosa and decide whether or not a lesion should be biopsied [7-9]. This topic will review the dermoscopic features of pigmented and nonpigmented mucosal lesions and the dermoscopic criteria for differentiating benign from malignant tumors. The principles of dermoscopy and the dermoscopic evaluation of skin lesions, facial lesions, and lesions of the palms and soles are discussed elsewhere.
●(See "Overview of dermoscopy".)
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- EXAMINATION OF MUCOSAL SURFACES
- HISTOLOGY OF MUCOSA AND MUCOCUTANEOUS TRANSITION ZONE
- DERMOSCOPIC FEATURES OF MUCOSAL LESIONS
- Dermoscopic-pathologic correlation
- BENIGN LESIONS
- Melanotic macule
- Acquired melanocytic nevi
- Congenital nevi
- Hemangioma and angiokeratoma
- Amalgam tattoo
- Infectious diseases
- - Molluscum contagiosum
- - Oral papilloma
- Inflammatory diseases
- MALIGNANT LESIONS
- Bowen disease
- - Bowenoid papulosis
- DIAGNOSTIC CRITERIA
- INDICATIONS FOR BIOPSY
- INDICATION FOR DERMOSCOPIC FOLLOW-UP
- SUMMARY AND RECOMMENDATIONS