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Cyst Symptoms, Signs, and Causes

👤by MedicineNet.com 0 comments 🕔Friday, November 11th, 2016

A cyst is a closed sac-like structure that is not a normal part of the tissue where it is located. Cysts are common and can occur anywhere in the body in people of any age. Sometimes they may be felt as an abnormal or new lump or bump. Cysts usually are filled with air or other gases, liquids such as pus, or semisolid substances like tissue debris or other materials. Since cysts vary in size, they may be detectable only under a microscope or they can grow so large that they displace normal organs and tissues. The outer wall of a cyst is called the capsule.

What Causes a Cyst?

Cysts can arise through a variety of processes in the body, including

"wear and tear" or simple obstructions to the flow of fluid, infections, tumors, chronic inflammatory conditions, genetic (inherited) conditions, defects in developing organs in the embryo.

Sometimes you can feel a cyst yourself when you feel an abnormal "lump." For example, cysts of the skin or tissues beneath the skin are usually noticeable. Cysts in the mammary glands (breasts) also may be palpable (meaning that you can feel them when you examine the area with your fingers). Cysts of internal organs, such as the kidneys or liver, may not produce any symptoms or may not be detected by the affected individual. These cysts often are first discovered by imaging studies (X-ray, ultrasound, computerized tomography or CT scan, and magnetic resonance imaging or MRI), often when the imaging studies are done for another purpose.

Medically Reviewed by a Doctor on 11/11/2016

Medical Author:

Melissa Conrad Stöppler, MD

Melissa Conrad Stöppler, MD

Melissa 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, FACR

Dr. 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.

Article Credits / Source

MedicineNet.com

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