BACK TOTOP Browse A-ZSearchBrowse A-ZABCDEFGHIJKLMNOPQRSTUVWXYZ0-9 E-mail FormEmail ResultsName:Email address:Recipients Name:Recipients address:Message: Print-FriendlyBookmarksbookmarks-menuCystA cyst is a closed pocket or pouch of tissue. It can be filled with air, fluid, pus, or other material. Considerations Cysts may form within any tissue in the body. Most cysts in the lungs are filled with air. Cysts that form in the lymph system, liver, or kidneys are fluid-filled. Certain parasites, such as some types of roundworms and tapeworms, can form cysts within the muscles, liver, brain, lungs, and eyes.Lymph systemThe lymph system is a network of organs, lymph nodes, lymph ducts, and lymph vessels that make and move lymph from tissues to the bloodstream. The l...ImageRead Article Now Book Mark Article Cysts are common on the skin. They can develop when acne causes a sebaceous gland to clog, or they can form around something that is stuck in the skin. These cysts are not cancer (benign), but can cause pain and changes in appearance. At times, they can become inflamed or infected and need treatment due to pain and swelling.AcneAcne is a skin condition that causes pimples or "zits. " Whiteheads, blackheads, and red, inflamed patches of skin (such as cysts) may develop....ImageRead Article Now Book Mark Article Cysts can be drained or removed with surgery, depending on their type and location.Sometimes, a cyst looks like a skin cancer and may need to be removed to be tested.Skin cancerBasal cell cancer is the most common form of cancer in the United States. Most skin cancers are basal cell cancer. Other common types of skin cancer...ImageRead Article Now Book Mark Article A pilonidal dimple or cyst is a type of skin cyst at the top of the buttocks in the midline of the body.Pilonidal dimplePilonidal sinus disease is an inflammatory condition involving the hair follicles that can occur anywhere along the crease between the buttocks, whic...ImageRead Article Now Book Mark Article Open ReferencesReferencesDinulos JGH. Principles of diagnosis and anatomy. In: Dinulos JGH, ed. Habif's Clinical Dermatology: A Color Guide in Diagnosis and Therapy. 7th ed. Philadelphia, PA: Elsevier; 2021:chap 1.Fairley JK, King CH. Tapeworms (cestodes). In: Bennett JE, Dolin R, Blaser MJ, eds. Mandell, Douglas, and Bennett's Principles and Practice of Infectious Diseases. 9th ed. Philadelphia, PA: Elsevier; 2020:chap 289.James WD, Elston DM, Treat JR, Rosenbach MA, Neuhaus IM. Epidermal nevi, neoplasms, and cysts. In: James WD, Elston DM, Treat JR, Rosenbach, MA, Neuhaus IM, eds. Andrews' Diseases of the Skin: Clinical Dermatology. 13th ed. Philadelphia, PA: Elsevier; 2020:chap 29.AllVideoImagesTogFibrocystic breast change - illustration Fibrocystic breast change is a common and benign change within the breast characterized by a dense irregular and bumpy consistency in the breast tissue. Mammography or biopsy may be needed to rule out other disorders.Fibrocystic breast changeillustrationPilonidal dimple - illustration A pilonidal dimple is a small pit or sinus in the sacral area just at the top of the crease between the buttocks. The pilonidal dimple may also be a deep tract, rather than a shallow depression, leading to a sinus that may contain hair. During adolescence the pilonidal dimple or tract may become infected forming a cyst-like structure called a pilonidal cyst. These pilonidal cysts may require surgical drainage or total excision to prevent reinfection.Pilonidal dimpleillustrationFibrocystic breast change - illustration Fibrocystic breast change is a common and benign change within the breast characterized by a dense irregular and bumpy consistency in the breast tissue. Mammography or biopsy may be needed to rule out other disorders.Fibrocystic breast changeillustrationPilonidal dimple - illustration A pilonidal dimple is a small pit or sinus in the sacral area just at the top of the crease between the buttocks. The pilonidal dimple may also be a deep tract, rather than a shallow depression, leading to a sinus that may contain hair. During adolescence the pilonidal dimple or tract may become infected forming a cyst-like structure called a pilonidal cyst. These pilonidal cysts may require surgical drainage or total excision to prevent reinfection.Pilonidal dimpleillustrationRelated Information Lymph system(Special Topic)Trichinosis(Condition)Echinococcosis(Condition) Review Date: 10/9/2024 Reviewed By: Linda J. Vorvick, MD, Clinical Professor, Department of Family Medicine, UW Medicine, School of Medicine, University of Washington, Seattle, WA. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team. The information provided herein should not be used during any medical emergency or for the diagnosis or treatment of any medical condition. A licensed medical professional should be consulted for diagnosis and treatment of any and all medical conditions. Links to other sites are provided for information only -- they do not constitute endorsements of those other sites. 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CystA cyst is a closed pocket or pouch of tissue. It can be filled with air, fluid, pus, or other material. Considerations Cysts may form within any tissue in the body. Most cysts in the lungs are filled with air. Cysts that form in the lymph system, liver, or kidneys are fluid-filled. Certain parasites, such as some types of roundworms and tapeworms, can form cysts within the muscles, liver, brain, lungs, and eyes.Lymph systemThe lymph system is a network of organs, lymph nodes, lymph ducts, and lymph vessels that make and move lymph from tissues to the bloodstream. The l...ImageRead Article Now Book Mark Article Cysts are common on the skin. They can develop when acne causes a sebaceous gland to clog, or they can form around something that is stuck in the skin. These cysts are not cancer (benign), but can cause pain and changes in appearance. At times, they can become inflamed or infected and need treatment due to pain and swelling.AcneAcne is a skin condition that causes pimples or "zits. " Whiteheads, blackheads, and red, inflamed patches of skin (such as cysts) may develop....ImageRead Article Now Book Mark Article Cysts can be drained or removed with surgery, depending on their type and location.Sometimes, a cyst looks like a skin cancer and may need to be removed to be tested.Skin cancerBasal cell cancer is the most common form of cancer in the United States. Most skin cancers are basal cell cancer. Other common types of skin cancer...ImageRead Article Now Book Mark Article A pilonidal dimple or cyst is a type of skin cyst at the top of the buttocks in the midline of the body.Pilonidal dimplePilonidal sinus disease is an inflammatory condition involving the hair follicles that can occur anywhere along the crease between the buttocks, whic...ImageRead Article Now Book Mark Article Open ReferencesReferencesDinulos JGH. Principles of diagnosis and anatomy. In: Dinulos JGH, ed. Habif's Clinical Dermatology: A Color Guide in Diagnosis and Therapy. 7th ed. Philadelphia, PA: Elsevier; 2021:chap 1.Fairley JK, King CH. Tapeworms (cestodes). In: Bennett JE, Dolin R, Blaser MJ, eds. Mandell, Douglas, and Bennett's Principles and Practice of Infectious Diseases. 9th ed. Philadelphia, PA: Elsevier; 2020:chap 289.James WD, Elston DM, Treat JR, Rosenbach MA, Neuhaus IM. Epidermal nevi, neoplasms, and cysts. In: James WD, Elston DM, Treat JR, Rosenbach, MA, Neuhaus IM, eds. Andrews' Diseases of the Skin: Clinical Dermatology. 13th ed. Philadelphia, PA: Elsevier; 2020:chap 29.
