dermoid cyst

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dermoid cyst

[¦dər‚mȯid ′sist]
(medicine)
A benign cystic teratoma with skin, skin appendages, and their products as the most prominent components, usually involving the ovary or the skin.
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On MRI scans, dermoid cysts usually appear hyperintense on T1-weighted images consistent with fat content; but, some may appear more heterogenous with minimal enhancement because of the presence of calcifications, hair follicles, epithelial debris and sebaceous secretion.
Thus, on ultrasound, an echogenic shadowing focus in a predominantly cystic mass is highly predictive of a dermoid cyst.
A (Answer): A Dermoid cyst is an abnormal growth of haired skin, in this case on the cornea.
Dermoid cyst of the floor of the mouth- a case report.
While a two-year lapse in gynecological visits could be enough time to allow a fibroid to grow large enough to require surgery, it is highly unusual for doctors to discover dermoid cysts on a woman's ovaries amid surgery - and then have them so entangled that the ovary must be removed, they said.
While epidermoid and dermoid cysts have similar origins, they differ in their degree of differentiation; epidermoids contain only squamous epithelium, while dermoids contain hair and glandular tissue in addition to squamous epithelium.
Dermoid cysts can represent up to 70% of benign ovarian tumors in women under age 30, said Ms.
Most dermoid cysts are located superior to the mylohyoid muscle.
Grossly, dermoid cysts and epidermoid cysts are unilocular cystic masses filled with keratinous material that may have a laminated appearance (Figure 3, A).
Dermoid cysts of the ovary with malignant transformation: MR appearance.
6-19) Neither primary squamous cell carcinoma nor squamous cell carcinoma associated with dermoid cysts appears to be associated with significant ascites, in contradistinction to a number of other aggressive gynecologic neoplasms.