Basal cell carcinoma

• Superficial basal cell carcinoma
• Nodular basal cell carcinoma
• Micronodular basal cell carcinoma
• Infiltrating basal cell carcinoma
• Fibroepithelial basal cell carcinoma
• Basal cell carcinoma with adnexal differentiation
• Basosquamous carcinoma
• Keratotic basal cell carcinoma
• Other variants

Squamous cell carcinoma

• Acantholytic squamous cell carcinoma
• Spindle-cell squamous cell carcinoma
• Verrucous squamous cell carcinoma
• Pseudovascular squamous cell carcinoma
• Adenosquamous carcinoma

Bowen disease

• Bowenoid papulosis

Actinic keratosis

• Arsenical keratosis
• PUVA keratosis

Verrucas

• Verruca vulgaris
• Verruca plantaris
• Verruca plana

Acanthomas

• Epidermolytic acanthoma
• Warty dyskeratoma
• Acantholytic acanthoma
• Solar lentigo
• Seborrhoeic keratosis
• Melanoacanthoma
• Clear cell acanthoma
• Large cell acanthoma
• Keratoacanthoma
• Lichen planus-like keratosis