This is a type of localized inflammation (abscess) formed when oil ducts become clogged and subsequently rupture. Cystic acne is most common in the teenage years.
Treatment includes topical and systemic antibiotics, topical retinoids and isotretinoin, a systemic retinoid. Cystic acne can cause permanent scarring in severe cases.
- Cystic fibrosis
A common grave genetic disease that affects the exocrine glands and is characterized by the production of abnormal secretions, leading to mucus buildup that impairs the pancreas and, secondarily, the intestine. Mucus buildup in lungs can impair respiration. Abbreviated CF. Without treatment, CF results in death for 95 percent of affected children before age 5; […]
- Cystic periventricular leukomalacia
Cystic periventricular leukomalacia: Softening of the white matter near the ventricles of the brain resulting in abnormal cysts. Cystic periventricular leukomalacia is a major problem in very premature infants. Treating the mother with a cortisone-like drug before the premature birth has been discovered to protect the baby’s brain from this complication. A research team reported […]
An infection caused by the pork tapeworm, Taenia solium. Infection occurs when the tapeworm larvae enter the body and form cysts called cysticerci. When cysticerci are found in the brain, the condition is called neurocysticercosis. Cysticercosis is contracted by accidentally swallowing pork tapeworm eggs. Tapeworm eggs are passed in the bowel movement of a person […]
Cysticercus: The larval form of any of the Taenia tapeworms. The plural is cysticerci. Infection with cysticerci is referred to as cysticercosis.
Cystine: An amino acid that is particularly notable because it is the least soluble of all of the naturally occurring amino acids and because it precipitates out of solution in the genetic disease cystinuria to form stones in the urinary tract. Cystine is the chief sulfur-containing compound in protein. Cystine is generated by the union […]