Cyst (Cysts)
Medical Author:
Melissa Conrad Stöppler, MD, Chief Medical Editor
Melissa Conrad Stöppler, MD, Chief Medical EditorMelissa Conrad Stöppler, MD, is a U.S. board-certified Anatomic Pathologist with subspecialty training in the fields of Experimental and Molecular Pathology. Dr. Stöppler's educational background includes a BA with Highest Distinction from the University of Virginia and an MD from the University of North Carolina. She completed residency training in Anatomic Pathology at Georgetown University followed by subspecialty fellowship training in molecular diagnostics and experimental pathology. Medical Editor:
William C. Shiel Jr., MD, FACP, FACR
William C. Shiel Jr., MD, FACP, FACRDr. Shiel received a Bachelor of Science degree with honors from the University of Notre Dame. There he was involved in research in radiation biology and received the Huisking Scholarship. After graduating from St. Louis University School of Medicine, he completed his Internal Medicine residency and Rheumatology fellowship at the University of California, Irvine. He is board-certified in Internal Medicine and Rheumatology.
Cyst OverviewA cyst is an abnormal, sac-like structure that can be found anywhere in the body. Cysts usually contain a gaseous, liquid, or semisolid substance and have an outer wall, known as the capsule. Cysts may be small and visible only under a microscope, or they may grow to a very large size and displace normal body structures. Cysts occur commonly in numerous tissues and organs and are often named according to their particular anatomic location (for example ovarian cysts, bladder cysts, breast cysts, liver cysts, kidney cysts, pancreatic cysts, vaginal cysts, skin cysts, thyroid cysts). Certain types of cysts also have special designations and nomenclature. Examples of these include:
Viewer Comments & ReviewsCysts - Effective TreatmentsThe eMedicineHealth physician editors ask:The symptoms of cysts can vary greatly from patient to patient. What were your initial symptoms? |
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Cyst (Cysts)
Spina Bifida Overview
Spina bifida (“cleft spine”) is a birth defect affecting the spinal column. Spina bifida progresses from a cleft, or splitlike opening, in the back part of the backbones (the spinal vertebrae). In more severe cases, it involves the spinal cord. Spina bifida is the most common of a group of birth defects known as neural tube defects, which affect the central nervous system (brain and spinal cord).
Spina bifida begins in the womb, when the tissues that fold to form the neural tube do not close or do not stay closed completely. This causes an opening in the vertebrae, which surround and protect the spinal cord. This occurs just a few weeks (21 to 28 days) after conception—usually before the woman knows that she is pregnant.
There are 3 types of spina bifida.
- Spina bifida occulta: “Occulta” means hidden, and the defect is not vis...
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Simple Bone Cyst »
The simple bone cyst is a common, benign, fluid-containing lesion, usually occurring in the metaphysis of long bones.
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