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A cyst is an abnormal growth consisting of a closed sac filled with fluid or solid material. The material within the cyst is usually produced by the cells that make up the lining, or wall, of the cyst. Cysts form for a variety of reasons, depending to some degree on the tissue involved. Some cysts that form in the adrenal glands are caused by bacterial infections or by parasites.
Causes & Development
The cause is usually unknown.
Signs & Symptoms
The most common type is the sebaceous cyst. Also called epidermoid, pilar, and vulvar cysts, they are harmless, slow-growing bumps under the skin, often appearing on the scalp, face, ears, back of the neck, back, upper chest or groin area (typically the vulva or labia). They are usually rounded, non-tender and of varying size.
Any redness, tenderness, or increased temperature of skin over area may indicate an infection. Grayish white, cheesy material from the cyst (if drained or squeezed) may have a bad odor.
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Conditions that suggest Cysts:
Risk factors for Cysts:
Recommendations and treatments for Cysts: | | | | | Diet |  Coconut
Alkalizing Agents/Diet | Some doctors believe that a tendency to form cysts occurs more frequently in those with an acidic body pH. If so, an alkalizing diet may help. |
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Lab Tests/Rule-Outs |
Test for Food Allergies| | Generalized cysts may be due to allergies. Allergy testing may be useful only if there are other allergy symptoms also. |
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Surgery/Invasive |
 Surgery| | Sebaceous cysts are usually ignored unless they become bothersome or infected. An infected cyst can form into a very painful abscess for which surgical incision and drainage is usually necessary for pain relief. Excision of the cyst and the surrounding sac may be necessary to prevent recurrence. Sebaceous cysts may disappear spontaneously, or remain in place without causing any problems. |
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KEY | | Strong or generally accepted link |  | | Proven definite or direct link | | | May do some good | | | Likely to help |
GLOSSARY
Adrenal (Adrenal Gland, Adrenal Glands, Adrenals)
The adrenal glands sit on top of each kidney and consist of an outer cortex and an inner medulla. Of the 50 or so hormones the adrenals make, only cortisone and adrenaline are recognized by most people. Some of these hormones must be produced to preserve life, while others help resist stress. Other hormones from the adrenals control normal energy output (along with the thyroid) and govern the breakdown of stored energy into quick energy sources. The medulla produces epinephrine and norepinephrine, which are specifically designed to help the body deal with stressful situations. The adrenals control the body's potassium/sodium balance, which is vital for energy production. They also produce sex hormones in minute amounts, which is important for later years when the gonads drop or cease their production.
Allergy (Allergies)
Hypersensitivity caused by exposure to a particular antigen (allergen), resulting in an increased reactivity to that antigen on subsequent exposure, sometimes with harmful immunologic consequences.
Bacteria (Bacterial, Bacterium)
Microscopic germs. Some bacteria are "harmful" and can cause disease, while other "friendly" bacteria protect the body from harmful invading organisms.
Boil (Carbuncle, Carbuncles, Abscess, Abscesses, Boils, Cystic Acne, Furuncle, Furuncles, Hidradenitis Suppurativa, Pilonidal Cyst, Pilonidal Cysts)
A localized infection deep in the skin. A boil generally starts as a reddened, tender area. Over time, the area becomes firm and hard. Eventually, the center of the abscess softens and becomes filled with white cells that the body sends to fight the infection (pus). Finally, the pus forms a "head" and drains out through the skin. A furuncle or carbuncle is an abscess in the skin caused by the bacteria Staphylococcus aureus. It can have one or more openings onto the skin and may be associated with a fever or chills. Cystic acne is a type of abscess formed when oil ducts become clogged and infected. Cystic acne is most common in the teenage years. Hidradenitis suppurativa is an illness in which there are multiple abscesses that form under the arm pits and in the groin area. These areas are a result of local inflammation of the sweat glands. A pilonidal cyst is a special kind of abscess that occurs in the crease of the buttocks. These frequently form after long trips that involve sitting.
Cysts (Cyst)
A closed pocket or pouch of tissue; a cyst may form within any tissue in the body and can be filled with air, fluid, pus, or other material. Cysts within the lung generally are air-filled, while cysts involving the lymph system or kidneys are fluid filled. Cysts under the skin are benign, extremely common, movable lumps. These may develop as a result of infection, clogging of sebaceous glands, developmental abnormalities or around foreign bodies.
Excision
Surgical cutting away and/or taking out.
Parasite (Parasites, Parasitic, Parasitical)
An organism living in or on another organism.
pH
A measure of an environment's acidity or alkalinity. The more acidic the solution, the lower the pH. For example, a pH of 1 is very acidic; a pH of 7 is neutral; a pH of 14 is very alkaline.
Sebaceous (Sebaceous Cyst)
Sebaceous Gland: Oil secreting glands, mostly clustered around hair follicles. The oil (sebum) is released into the oil glands from the disintegrated cytoplasm of shedding holocrine cells that line the alveolar surfaces. The nature of the secretion is often a direct reflection of the state of the body's lipid metabolism.
Last updated: Aug 02, 2008
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