Neoplastic Process
dermoid cyst
der·moid cyst [ der-moyd sist ]
Subclass of:
Teratoma;
Cyst
Definitions related to dermoid cyst:
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(dermoid cyst, benign) A benign neoplasm comprised of a cyst, lined by mature epidermis-like tissue with dermal appendages.CDISC TerminologyClinical Data Interchange Standards Consortium (CDISC), 2021
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A benign hamartomatous tumor that possesses various epidermal derivatives and is due to sequestration of skin along the lines of embryonic closure. In neonates, it is most commonly congenital and located in the subcutaneous tissues of the head, neck, or trunk.NICHD Pediatric TerminologyU.S. National Cancer Institute, 2021
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A congenital subcutaneous cyst that arises from entrapment of skin along the lines of embryonic fusion. In contrast to epidermal cysts, dermoid cysts tend to contain various adnexal structures such as hair, sebaceous, eccrine or apocrine glands. Dermoid cysts are present at birth, and are indolent, firm, deep, subcutaneous nodules. They are often located on the head and neck, and rarely in the anogenital area. Dermoid cysts arenslowly progressive and can grow to a size of 1 to 4 cm.Human Phenotype Ontology (HPO)The Human Phenotype Ontology Project, 2021
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A mature teratoma characterized by the presence of a cyst which is lined by mature tissue resembling the epidermis and the epidermal appendages. It occurs in the ovary, testis, and extragonadal sites including central nervous system and skin.NCI ThesaurusU.S. National Cancer Institute, 2021
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A tumor consisting of displaced ectodermal structures along the lines of embryonic fusion, the wall being formed of epithelium-lined connective tissue, including skin appendages, and containing keratin, sebum, and hair. (Stedman, 25th ed)NLM Medical Subject HeadingsU.S. National Library of Medicine, 2021
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A type of benign (not cancer) germ cell tumor (type of tumor that begins in the cells that give rise to sperm or eggs) that often contains several different types of tissue such as hair, muscle, and bone.NCI Dictionary of Cancer TermsU.S. National Cancer Institute, 2021
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The term dermoid cyst does not appear to be restricted to a single kind of lesion nor is it used in only a single medical discipline. The term dermoid cyst can be found in the vocabulary of dermatologists, dermatopathologists, general pathologists, gynecologists, neurosurgeons, or pediatricians.WebMD, 2019
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