Definition of terms:

Antiseptic: An agent to remove bacteria and other microorganisms.

Anesthetic: Medication that causes loss of sensation for pain; may be given locally or generally.

Biopsy: Procedure to remove cells or tissues for study by a pathologist.

Benign: Not cancerous; no threat to the body.

Core: The center of a structure or lump.

Hematoma: An accumulation of blood under the skin caused by bleeding. Bruise.

Malignant: Cancerous; a threat to the body.

Pathology: The study of disease processes and consequences.

Percutaneous: To perform through the skin.