Keratocyst

A keratocyst is a type of cutaneous cyst. They appear similar to epidermoid cysts; however, are not limited to a specified location on the body. Keratocyst are most often reported in persons with nevoid basal cell carcinoma syndrome.^[1]

Pathology

Keratocysts have a stratified squamous epithelial wall without sebaceous lobules.^[2]

References

↑ Rapini, Ronald P.; Bolognia, Jean L.; Jorizzo, Joseph L. (2007). Dermatology: 2-Volume Set. St. Louis: Mosby. p. 1686. ISBN 1-4160-2999-0.
↑ Cassarino DS; Linden KG; Barr RJ (2005). Cutaneous keratocyst arising independently of the nevoid basal cell carcinoma syndrome. Am J Dermatopathol. pp. 27:177–178.

Cystic diseases

Respiratory system	Langerhans cell histiocytosis Lymphangioleiomyomatosis Cystic bronchiectasis

Skin	stratified squamous: follicular infundibulum Epidermoid cyst and Proliferating epidermoid cyst Milia Eruptive vellus hair cyst outer root sheath Trichilemmal cyst and Pilar cyst and Proliferating trichilemmal cyst and Malignant trichilemmal cyst sebaceous duct Steatocystoma multiplex and Steatocystoma simplex Keratocyst nonstratified squamous: Cutaneous ciliated cyst Hidrocystoma no epithelium: Pseudocyst of the auricle Mucocele other and ungrouped: Cutaneous columnar cyst Keratin implantation cyst Verrucous cyst Adenoid cystic carcinoma Breast cyst

Human musculoskeletal system	Cystic hygroma

Human digestive system	oral cavity: Cysts of the jaws Odontogenic cyst Periapical cyst Dentigerous cyst Odontogenic keratocyst Nasopalatine duct cyst liver: Polycystic liver disease Congenital hepatic fibrosis Peliosis hepatis bile duct: Biliary hamartomas Caroli disease Choledochal cysts Bile duct hamartoma

Nervous system	Cystic leukoencephalopathy

Genitourinary system	Polycystic kidney disease Autosomal dominant polycystic kidney Autosomal recessive polycystic kidney Medullary cystic kidney disease Nephronophthisis Congenital cystic dysplasia

Other conditions	Hydatid cyst Von Hippel–Lindau disease Tuberous sclerosis

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Keratocyst

Pathology

See also

References