Terminology Lines
From dermoscopedia
| Descriptive terminology | Metaphoric terminology | Significance |
| lines reticular | pigment network | melanocytic lesions dermatofibroma solar lentigo |
| lines reticular and thick | broadened network | melanoma |
| lines reticular and thin | delicate network | melanocytic nevi |
| lines reticular and thick or reticular lines that vary in color | atypical pigment network | melanoma |
| lines reticular white | melanoma Spitz nevus dermatofibroma | |
| lines reticular hypopigmented around brown clods | negative pigment network (former synonyms: inverse network reticular depigmentation) | melanoma Spitz nevus |
| lines white perpendicular* | shiny white streaks (former synonyms: chrysalis chrysalids crystalline) | melanoma BCC Spitz nevus dermatofibroma |
| lines branched | branched streaks | melanocytic lesion |
| lines radial (always at periphery) | streaks | Reed nevus melanoma recurrent nevus |
| lines radial and segmental | radial streaming | melanoma recurrent nevi |
| lines radial connected to a common base | leaf like areas (sometimes variously shaped large clods have also been termed leaf like areas) | BCC |
| lines radial converging to a central dot or clod | spoke wheel area (sometimes a clod within a clod has also been termed spoke-wheel area/concentric structure) | BCC |
| lines curved and thick | cerebriform pattern (former synonyms: “brain-like appearance”) to describe the pattern and fissures and ridges (former synonyms “gyry and sulci” and “fat fingers”) to describe the structural components of the pattern | SK |
| lines brown curved parallel thin | fingerprinting | solar lentigo |
| lines curved and thick in combination with clods | crypts | SK |
| lines parallel short crossing ridges (volar skin) | fibrillar pattern | acral nevi |
| lines parallel thick on the ridges (volar skin) | parallel ridge pattern | acral melanoma |
| lines parallel thin in the furrows and crossing the ridges (volar skin) | lattice-like pattern | acral nevi |
| lines parallel thin in the furrows (volar skin) | parallel furrows pattern | acral nevi |
| lines angulated or polygonal (facial skin) | rhomboids | lentigo maligna |
| lines angulated or polygonal (non-facial skin) | angulated lines/polygons/zig-zag pattern | lentiginous melanomas (non-facial non-acral) |
