<unk>  (seen peripherally to a melanoma in situ.<unk>  is a term used in dermatology to refer to "upward spreading" of abnormal cells in the epidermis (ie from bottom to top). It is uncommon and a possible indication of a precancerous or cancerous condition. Cells display<unk>  growth when they invade the upper epidermis from below. Squamous cell carcinoma, melanoma in situ,<unk>  Bowen's disease, ocular sebaceous carcinoma, and other carcinomas can all display<unk>  growth. The term<unk>  (i.e., 'Paget-like') is derived from the extramammary Paget's disease, wherein the large tumour cells are arranged singly or in small clusters within the epidermis and its appendages. These cells are distinguished by a clear halo from the surrounding epithelial cells and a finely granular cytoplasm. This proliferation of cells in the epidermis is responsible for the "buckshot scatter" pattern. This is a typical feature of superficial spreading type of melanoma.
Pagetoid
Scruple 
Ergoloid
Incisive
Ellipta
Lentigo
Whitlow
Realgar/Indigo naturalis