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Differential diagnoses of pigmented BD on dermoscopy.
| Vessels | Streaks | Dots/globules | Pigmentation | |
|---|---|---|---|---|
| Pigmented BD | glomerular | irregular flossy | irregular brown | diffuse brown |
| Seborrheic keratosis | comma, hairpin | — | — | opaque brown |
| Malignant melanoma | polymorphous | irregular | irregular black | irregular black |
| Pigmented eccrine poroma | hairpin with white halo | — | — | irregular black |
