Dermoid


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Dermoid

 

(dermoid cyst), a developmental defect—a sacciform tumor whose wall is structurally similar to skin, containing glands (chiefly sebaceous) and hairs. The cavity is filled with a thick lardlike mass. The dermoid is a kind of teratoma. Treatment is surgical.

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Congenital dermoid cysts arise from epithelial rests trapped during midline fusion of these branchial arches whereas acquired dermoid cyst arise from epithelium implanted during trauma and they occur at the sites away from midline.
Pathology evaluation of the submitted tissue confirmed the diagnosis of a dermoid cystic tumor (Figure 4).
Dermoid cysts can represent up to 70% of benign ovarian tumors in women under age 30, said Ms.
Grossly, dermoid cysts and epidermoid cysts are unilocular cystic masses filled with keratinous material that may have a laminated appearance (Figure 3, A).
Intracranial dermoid cysts (IDC) are benign, rare, slow growing lesions and they arise from inclusion of ectodermally committed cells at the time of closure of the neural groove between the third and fifth week of embryonic life, thus usually located along the midline (1).
However, dermoid tumors are generally seen as hyperintense on T1, due to the presence of fatty secretions from sebaceous glands and cholesterol, and are hypointense on T2-weighted images (1).
She has a Dermoid cyst on her cornea and will not be able to have it removed until she is 6-8 months old.
7) Cysts derived from the overlying epidermis, hair follicles, and apocrine glands include epidermoid cysts, pilar or trichilemmal cysts, dermoid cysts, and hidrocystomas.
The differential diagnosis includes nasolacrimal duct cysts, periapical cysts and dermoid or epidermoid cysts of the oral cavity.
Bas- boyun bolgesinde boyun orta hatta dermoid kist, preaurikuler bolgede parotis tumorleri, sebase kist, kalsifiye hematom, brankial artik, dev hucre tumoru, diger bolgelerde epidermal inkluzyon kisti, lenfadenopati, yabanci cisim reaksiyonu ve lipom ayirici tanida dusunulmesi gerekir (1,15).
The delayed consequences varied from difficulty of discharging menstrual contents, formation of dermoid cysts that sometimes reach the size of a large grapefruit, obstructed labor, and fistula formation (vesico-vaginal) to prenatal death.
There is only one reported case of a dermoid cyst arising from the posterior aspect of the prostate and seminal vesicles, but the cyst was in the pelvis masquerading as a full bladder.