An ovarian cyst is a fluid-filled sac that forms on or inside an ovary. Read on to learn about the causes and types of ovarian cysts, risk factors, symptoms, diagnosis, and treatment.

Carnitine palmitoyltransferase (CPT) deficiency is a very rare condition that causes muscle weakness and other symptoms. It happens because of a problem with one of two enzymes, CPT1 or CPT2. Enzymes are substances in the body that help cause chemical reactions.

Aortic valve regurgitation is when a person's aortic valve leaks. The aortic valve is 1 of the heart's 4 valves. These valves help the blood flow through the heart and out to the body. Normally, the aortic valve stops blood from flowing back into the left ventricle. With aortic valve regurgitation, some blood leaks back through the valve as the heart relaxes.

Rhinoplasty is surgery to change the size or shape of your nose. It is also called a nose job. This procedure is usually used to make the nose smaller or to narrow it. But it can also make the nose larger.

A carotid dissection is a type of tear in one of your carotid arteries. It is a common cause of stroke in people under age 50.

Liposuction is a cosmetic procedure in which fat is sucked out of the body. It helps reshape areas of the body that are out of proportion to the rest of the body.

Pubic lice (Phthirus pubis) are small insects. They mostly live in the genital areas of humans. In some cases, they can also be found on other areas of the body that have hair. They are most often spread through sexual contact.

Pelvic congestion syndrome is a condition that causes chronic pelvic pain. It is thought to be caused by problems with the veins in the pelvic area. This is the lower part of your abdomen.

Radiofrequency ablation (RFA) is a way to destroy tissue in the body. It can be used as a treatment for cancer. To do it, electricity is sent into a tumor using a needle electrode. The electricity creates heat that kills the cancer cells.

This procedure uses a small needle electrode to send an electrical current to heat and kill cancer cells. The heat also closes nearby blood vessels, limiting bleeding. Read on to learn more about what to expect with this procedure.

Radiation uses high doses of radiation to kill cancer cells or keep them from multiplying. It can be used after surgery, to kill any cancer that is too small to see, or on inoperable cancers to prevent their spread.

Antibiotics are medicines used to kill bacteria. Over time, certain groups of these germs may adapt to these medicines. They may change in such a way that antibiotics can't kill them. This is called antibiotic resistance.

Primary ovarian insufficiency, or POI, is when the ovaries stop working normally before the age of 40. With POI, the ovary does not release an egg each month as it should. POI has been called premature ovarian failure and premature menopause.

Carnitine is a natural substance that the body uses to process fats and produce energy. Carnitine deficiency is when not enough of the nutrient carnitine is available to cells in the body. Read on for details about this condition.