A chemotherapy technique that may be used when melanoma occurs on an arm or leg. The flow of blood to and from the limb is stopped for a while with a tourniquet, and anticancer drugs are put directly into the blood of the limb. This allows the patient to receive a high dose of drugs in the area where the melanoma occurred.
Prefix meaning around or about, as in pericardial (around the heart) and periaortic lymph nodes (lymph nodes around the aorta).
Located around the anus, the opening of the rectum to the outside of the body.
- Perianal abscess
A local accumulation of pus that forms next to the anus, causing tender swelling in that area and pain on defecation.
Around the aorta. For example, periaortic lymph nodes are lymph nodes around the aorta.
Near the appendix. Perforation of the appendix can lead to a periappendiceal abscess (a collection of pus near the appendix).