- Term used to designate an eccrine poroma that is located entirely within the dermis, without an epidermal connection.
- Presents as a firm nodule, most commonly on the lower limbs, head or neck.
- Intradermal islands of basaloid cells, resembling those of eccrine poroma
- Duct formation may be present.
- Levels may reveal a connection to the epidermis, changing the diagnosis to eccrine poroma.