<unk>  is characterized by a rounded, medallion-like lesion on the upper trunk in which there is a proliferation of fusiform CD34, factor XIIIa-positive cells in the mid and reticular dermis.
Dermal dendrocyte hamartoma
Intradermal spindle cell lipoma
Cutaneous columnar cyst
Eruptive vellus hair cyst
Papillary eccrine adenoma
Tuber cinereum hamartoma
Solitary trichoepithelioma
Congenital dermal sinus