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A dermoid cyst is a teratoma of a cystic nature that contains an array of developmentally mature, solid tissues. It frequently consists of skin, hair follicles, and sweat glands, while other commonly found components include clumps of long hair, pockets of sebum, blood, fat, bone, nail, teeth, eyes, cartilage, and thyroid tissue.
Mature teratomas include dermoid cysts and are generally benign. [8] Immature teratomas may be cancerous. [4] [9] Most ovarian teratomas are mature. [10] In adults, testicular teratomas are generally cancerous. [11] Definitive diagnosis is based on a tissue biopsy. [2] Treatment of coccyx, testicular, and ovarian teratomas is generally by surgery.
An ophthalmologist said it was a dermoid cyst. What causes them? Question: A bump recently appeared above my wife’s eye, becoming painful. An ophthalmologist said it was a dermoid cyst. What ...
Dermoid cysts are formed from the outer layers of embryonic skin cells. These cells are able to mature into many different types of tissues, and these cysts are able to form anywhere the skin is or where the skin folds inwards to become another organ, such as in the ear or the vagina.
A thyroglossal cyst can develop anywhere along a thyroglossal duct, though cysts within the tongue or in the floor of the mouth are rare. [citation needed] A thyroglossal cyst will move upwards with protrusion of the tongue. [citation needed] Thyroglossal cysts are associated with an increased incidence of ectopic thyroid tissue.
Epidermoid cyst may be classified as a sebaceous cyst, [15] although technically speaking it is not sebaceous. [16] "True" sebaceous cysts, cysts which originate from sebaceous glands and which contain sebum, are relatively rare and are known as steatocystoma simplex or, if multiple, as steatocystoma multiplex.
However, certain types of CNS cysts are more prevalent in certain types of individuals than others. Some examples of incidence rates in specific types of cysts include: [1] Arachnoid cysts are more prevalent in males than females; Colloid cysts are more prevalent in adults; Dermoid cysts are more prevalent in children under 10 years of age
Proliferating epidermoid cyst (proliferating epithelial cyst) Proliferating trichilemmal cyst (pilar tumor, proliferating follicular cystic neoplasm, proliferating pilar tumor, proliferating trichilemmal tumor) Pseudocyst of the auricle (auricular endochondrial pseudocyst, cystic chondromalacia, endochondral pseudocyst, intracartilaginous cyst)