Rosette signActinic keratosis, basal cell carcinoma, melanoma, discoid lupus erythematosus, molluscum Four white points arranged as four-leaf clover. Non-specific, initially described in AK but seen in many conditions Spoke wheel-like structures
Basal cell carcinomaRadial projections surrounding a central darker point Strawberry pattern 13 Actinic keratosis Background erythema interrupted by multiple small keratin filled follicular ostia