DERMOSCOPY

Vascular lesions
Seborrheic keratosis
Dermatofibroma
Parallel Pattern
Comedo like Openings
Milia Like Cysts
Streaks
Regression structures
Reticular Pattern
Globular Pattern
Clark nevus
Cobblestone pattern
Dermal nevus
Starburst pattern
Blue nevus
Multicomponent pattern
Melanoma
Unspecific pattern
ABCD Rule
Basal cell carcinoma
Leaf like areas
INTRODUCTION TO DERMOSCOPY
DERMOSCOPIC CRITERIA
Global features
Homogenous pattern
Lacunar pattern
Local features
Pigment networks
Dots & globules
Pigmentation
Blue whitish veil
Hypopigmentation
Vascular structures
Exophytic papillary structures
Red lacunae
Central white patch
PATTERN ANALYSIS FOR SPECIFIC DIAGNOSIS
Melanocytic lesions
Non melanocytic lesions
Reed & spitz nevus
Recurrent nevus
Congenital nevus
Combined nevus
Lentigo
Labial & genital melanosis
DIAGNOSTIC ALGORITHMS
7 points checklist
PREOPERATIVE EVALUATION OF MELANOMA THICKNESS
DERMOSCOPIC PITFALLS
False negatives
The “ Gray Zone “
3 point Checklist
5 Patterns of Acral Melanocytic Nevi
Unna & Miescher NEVI
Diagnostic categories of acquired melanocytic nevi
NAIL PIGMENT DERMOSCOPY
SEMIOLOGICAL PATTERNS
Blood spots
Brown background
Brown longitudinal parallel lines with regular coloration spacing and thickness and absence of parallelism disruption
Longitudinal brown to black lines with irregular thickness spacing or coloration and parallelism disruption
Homogeneous greyish lines with grey pigmentation of the background
Micro Hutchinson’s sign
Microscopic longitudinal grooves
Nail apparatus naevus
Nail apparatus melanoma
Nail apparatus lentigo
Drug induced nail pigmentation
Ethnic nail pigmentation
Subungual haemorrhage