A biopsy refers to the removal of tissue or fluid for diagnosis. Biopsy specimens can be obtained by many invasive methods…
TYPES OF BIOPSIES
1. Bone marrow
A trocar puncture needle or aspiration needle is placed into bone. Common sites: sternum, iliac crest.
2. Percutaneous needle
A hollow needle is used to obtain tissue from an internal organ or solid mass.
3. Punch
Sampling of skin lesions in a cookie-cutter manner using a 3- to 4-mm circular, sharp, hollow instrument.
4. Brush/Endoscopic
Stiff brushes of nylon or steel are passed through an endoscope to the respiratory tree or urinary tract.
5. Excisional
Surgical removal of an entire mass or structure from the body.
6. Incisional
Surgical removal of a portion of mass.
7. Aspiration
Aspiration of fluid through a 22- to 25-gauge needle placed in a lesion, such as a cyst or abscess, or in a joint or body cavity.
8. Image-guided
Guided with imaging procedures, such as X-rays or CT scans, in order to access specific areas.
9. Vacuum-assisted
Use of suction from a vacuum to collect cells