Cyst

This article is about cysts in the body. For the ICAO airport code CYST, see St. Theresa Point Airport. For hard-shelled resting stages of some small organisms, see Microbial cyst.

Cyst
Classification and external resources
Micrograph of a mediastinal bronchogenic cyst. H&E stain.
MedlinePlus	003240
MeSH	D003560

A cyst is a closed sac, having a distinct membrane and division on the nearby tissue. It may contain air, fluids, or semi-solid material. A collection of pus is called an abscess, not a cyst. Once formed, a cyst could go away on its own or may have to be removed through surgery.

Locations

• Acne cyst – Pseudocysts associated with cystic acne. Actually an inflammatory nodule with or without an associated epidermoid inclusion cyst.
• Arachnoid cyst (between the surface of the brain and the cranial base or on the arachnoid membrane)
• Baker's cyst or popliteal cyst (behind the knee joint)
• Bartholin's cyst
• Breast cyst
• Buccal bifurcation cyst^[1]
• Calcifying odontogenic cyst
• Chalazion cyst (eyelid)
• Choroid plexus cyst (brain)
• Colloid cyst
• Cysticercal cyst (the larval stage of Taenia sp. (Crain's backs))
• Dentigerous cyst (associated with the crowns of non-erupted teeth)
• Dermoid cyst (ovaries, testes, many other locations from head to tailbone)
• Epididymal cyst (found in the vessels attached to the testes)
• Ganglion cyst (hand/foot joints and tendons)
• Glandular odontogenic cyst
• Glial cyst (in the brain)
• Gartner's duct cyst (vaginal or vulvar cyst of embryological origin)
• Hydatid cyst (larval stage of Echinococcus granulosus (tapeworm))
• Hydrocele (testicle)
• Keratocyst (in the jaws, these can appear solitary or associated with the Gorlin-Goltz or Nevoid basal cell carcinoma syndrome. The latest World Health Organization classification considers Keratocysts as tumors rather than cysts)
• Liver cystic disease
• Meibomian cyst (eyelid)
• Mucoid cyst (ganglion cysts of the digits)
• Mucous cyst of the oral mucosa
• Nabothian cyst (cervix)
• Nasolabial duct cyst
• Odontogenic cyst (teeth)
• Ovarian cyst (ovaries, functional and pathological)
• Paradental cyst
• Parapelvic cyst (kidney)^[2]
• Paratubal cyst (fallopian tube)
• Periapical cyst (The periapical cyst, otherwise known as radicular cyst, is the most common odontogenic cyst.)
• Pericardial cyst^[3]
• Peritoneal cyst (lining of the abdominal cavity)
• Pilar cyst (cyst of the scalp)
• Pilonidal cyst (skin infection near tailbone)
• Renal cyst (kidneys)
• Polycystic ovary syndrome
• Pineal gland cyst
• Radicular cyst (associated with the roots of non-vital teeth, also known as Periapical cyst)
• Residual cyst
• Sebaceous cyst (sac below skin)
• Spermatocele (testicle)
• Tarlov cyst (spine)
• Trichilemmal cyst – Same as a pilar cyst. A familial cyst of the scalp.
• Vocal fold cyst

Cystic fibrosis

Despite being described in 1938 as the microscopic appearance of cysts in the pancreas,^[4] cystic fibrosis is an example of a genetic disorder whose name is related to fibrosis of the cystic duct and does not involve actual cysts.^[5]

Cystic neoplasm

Most cysts in the body are benign (dysfunctional) tumors, the result of plugged ducts or other natural body outlets for secretions. However sometimes these masses are considered neoplasm:

• Dermoid cyst
• Keratocyst
• Calcifying odotogenic cyst

Treatment

Treatment ranges from simple enucleation of the cyst to curettage to resection. There are cysts, e.g. buccal bifurcation cyst with self-resolation nature, in which close observation only can be employed unless the cyst is infected and symptomatic.^[1]

Related structures

A pseudocyst is collection without a distinct membrane.

A syrinx in the spinal cord or brainstem is sometimes inaccurately referred to as a cyst.

References

1. ^ ^{a b} Zadik Y, Yitschaky O, Neuman T, Nitzan DW (May 2011). "On the Self-Resolution Nature of the Buccal Bifurcation Cyst". J Oral Maxillofac Surg 20 (5): e15. doi:10.1016/j.joms.2011.02.124. PMID 21571416. http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6WKF-52VP3D1-6&_user=10&_coverDate=05%2F14%2F2011&_rdoc=9&_fmt=high&_orig=browse&_origin=browse&_zone=rslt_list_item&_srch=doc-info(%23toc%236905%239999%23999999999%2399999%23FLA%23display%23Articles)&_cdi=6905&_sort=d&_docanchor=&_ct=207&_acct=C000050221&_version=1&_urlVersion=0&_userid=10&md5=47e40681e02990c1d46b7f818fe30630&searchtype=a. 
2. ^ Parapelvic cyst
3. ^ Pericardial cyst
4. ^ Anderson, D.H. (1938). "Cyst leiesic fibrosis of the pancreas and its relation to celiac disease". Am J Dis Child 56: 344–399. 
5. ^ Greenholz SK, Krishnadasan B, Marr C, Cannon R (1997). "Biliary obstruction in infants with cystic fibrosis requiring Kasai portoenterostomy". J. Pediatr. Surg. 32 (2): 175–9; discussion 179–80. doi:10.1016/S0022-3468(97)90174-3. PMID 9044117. 

External links

• "Cyst Symptoms and Causes" by Melissa Conrad Stöppler, MD and William C. Shiel, Jr., MD, FACP, FACR.

This article related to pathology is a stub. You can help Wikipedia by expanding it.v · Categories: Gross pathology Cysts Pathology stubs Wikimedia Foundation. 2010. Игры ⚽ Поможем написать курсовую Synonyms: Pouch, sac Tom Armstrong John Moore (British Army officer) Look at other dictionaries: cyst — cyst·adenoma; cyst·ous; dac·ry·o·cyst; ec·to·cyst; en·cyst; en·cyst·ment; en·do·cyst; ex·cyst; het·ero·cyst; hyp·no·cyst; lith·o·cyst; mac·ro·cyst; mi·cro·cyst; nem·a·to·cyst; ole·o·cyst; oo·cyst; oto·cyst; ovi·cyst; peri·cyst; phyl·lo·cyst;… …   English syllables cyst- — cyst(o) , cyste ♦ Éléments, du gr. kustis « vessie ». cyste, cyst(i) , cysto . éléments, du gr. kustis, vessie . ⇒CYST , CYSTI , CYSTO , élément préf. Élément préf. tiré du gr. « vessie » et entrant dans la formation de termes de méd., bot. et… …   Encyclopédie Universelle cyst|ic — «SIHS tihk», adjective. 1. of or like a cyst. 2. having a cyst or cysts. 3. enclosed in a cyst; encysted. 4. of the bladder. 5. of the gall bladder …   Useful english dictionary Cyst — (s[i^]st), n. [Gr. ky stis bladder, bag, pouch, fr. ky ein to be pregnant. Cf. {Cyme}.] 1. (Med.) (a) A pouch or sac without opening, usually membranous and containing morbid matter, which is accidentally developed in one of the natural cavities… …   The Collaborative International Dictionary of English cyst- — Cyst [griech. kýstis = Harnblase, Beutel, Blase]; GS: zyst , Zyst : Bestimmungswort in Zus. mit der Bedeutung »Körperhöhlungen betreffend, aus Blasen stammend oder auf Blasen wirkend« oder Trivialstamm in chem. Namen, die sich auf ↑ Cystein (das …   Universal-Lexikon Cyst- — Cyst [griech. kýstis = Harnblase, Beutel, Blase]; GS: zyst , Zyst : Bestimmungswort in Zus. mit der Bedeutung »Körperhöhlungen betreffend, aus Blasen stammend oder auf Blasen wirkend« oder Trivialstamm in chem. Namen, die sich auf ↑ Cystein (das …   Universal-Lexikon -cyst — [sist] [< Gr kystis: see CYST] combining form sac, pouch, bladder [blastocyst] …   English World dictionary cyst|ed — «SIHS tihd», adjective. having a cyst …   Useful english dictionary cyst — cyst. См. циста. (Источник: «Англо русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд во ВНИРО, 1995 г.) …   Молекулярная биология и генетика. Толковый словарь. Cyst.... — Cyst.... (v. gr.), Balg...., Blasen...., z.B. Cystalgie, Blasenschmerz etc …   Pierer's Universal-Lexikon cyst — [sıst] n [Date: 1700 1800; : Modern Latin; Origin: cystis, from Greek kystis organ of the body that holds liquid ] a lump containing liquid that grows in your body or under your skin, and that sometimes needs to be removed →↑boil …   Dictionary of contemporary English 18+ © Academic, 2000-2024 Contact us: Technical Support, Advertising Dictionaries export, created on PHP, Joomla, Drupal, WordPress, MODx. Mark and share Search through all dictionaries Translate… Search Internet Share the article and excerpts Direct link … Do a right-click on the link above and select “Copy Link”