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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.
A mature teratoma is a grade 0 teratoma. They are highly variable in form and histology, and may be solid, cystic, or a combination of the two. A mature teratoma often contains several different types of tissue such as skin, muscle, and bone. Skin may surround a cyst and grow abundant hair (see: § Dermoid cyst). Mature teratomas generally are ...
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Teratoma are most common germ cell tumor of ovary. Teratomas can be divided into two types: mature teratoma (benign) and immature teratoma (malignant). Immature teratomas contain immature or embryonic tissue which significantly differentiates them from mature teratomas as they carry dermoid cysts . [ 7 ]
The combined approach of ultrasound with Doppler, along with the selective use of contrast-enhanced MRI, proves to be an efficient diagnostic method for identifying benign adnexal masses with distinctive features, including functional masses, dermoid, endometrioma, fibroma, pedunculated fibroid, hydrosalpinx, and peritoneal inclusion cysts. [18]
A large minority of patients with a mediastinal teratoma (including dermoid cyst) will cough up hair. [9] For a differential diagnosis, the key is to exclude aneurysm . [ citation needed ]
Teratoma including mature teratoma, dermoid cyst, immature teratoma, teratoma with malignant transformation 9080/0-9080/3 0–3, 15–30 Mature teratoma, dermoid cyst usually benign (but follow-up required); others usually malignant Very variable, but "normal" tissues are common Pure tumors do not secrete hCG, AFP Polyembryoma: 9072/3 15–25 ? ? ?
A pilonidal cyst can resemble a dermoid cyst, a kind of teratoma (germ cell tumor). In particular, a pilonidal cyst in the gluteal cleft can resemble a sacrococcygeal teratoma . Correct diagnosis is important because all teratomas require consultation with an oncologist and complete surgical excision, if possible without any spillage.