- Differential Dx: Actinic keratosis – Heavily pigmented variants may be clinically mistaken for
- lentigo maligna
- Basal cell or squamous cell carcinoma
- Seborrheic keratosis
- Eczema
- Bowen disease (intraepithelial carcinoma)
- Wart
- Lichenoid keratosis
- Cutaneous lupus
- Reference from Ferris’s Clinical Advisor (23rd Ed), Pg no: 27.e6.