<unk>  (WD) is a benign epidermal proliferation with distinctive histological findings that may mimic invasive squamous cell carcinoma and commonly manifests as an umbilicated (having a central mark or depression resembling a navel) lesion with a keratotic plug.
Warty dyskeratoma
Angiokeratoma
Malignant acrospiroma
Trichoepithelioma
Lymphangioma circumscriptum
Sebaceous cyst
Littoral cell angioma
Spider angioma