Makes up less than 2% of all skin cancers.
May be locally aggressive and has the potential to metastasize.
Occurs in predominantly fair skinned patients.
Usually present in fifth to eighth decades of life.
a significant male predominance.
Most common sites include the head, neck and central face.
Head and neck sites 82-97% of lesions.
Surgical excision is the treatment of choice, but Moh’s surgery and radiotherapy are other options.
Local recurrence rate for local excision range in various studies from 12.1-45.7%.