Terminology Structureless
From dermoscopedia
| Descriptive terminology | Metaphoric terminology | Significance |
| structureless zone brown or black | blotch | If centric hypermelanotic Clark (“dysplastic”) nevus if eccentric melanoma |
| structureless zone blue | blue-whitish veil | melanoma |
| structureless zone pink | milky red areas | melanoma |
| structureless zone white | scar-like depigmentation | melanoma |
| structureless zone white central | central white patch | dermatofibroma |
| structureless zone polychromatic | rainbow pattern | various diagnoses |
| structureless red interrupted by follicular openings | strawberry pattern | actinic keratosis |
| structureless brown (tan) eccentric | melanoma | |
| structureless any color | homogenous pattern | various diagnoses |
| structureless brown interrupted by follicular openings (facial-skin) | pseudo-network | facial pigmented lesions |
