Dermoid cyst
（重定向自Dermoid tumor）
![](/Images/godic/202501/08/Mature_cystic_teratoma_of_ovary4613.jpg")
![Large ovarian cyst](/Images/godic/202501/08/Large_ovarian_cyst4613.JPG")
![Dermoid cyst in vaginal ultrasonography.](/Images/godic/202501/08/Dermoid_cyst4613.jpg")
![Periorbital dermoid cyst in left eyebrow. The cyst was present at birth but was not noticeable at the time.](/Images/godic/202501/08/Dermoid_cyst_in_eyebrow4613.JPG")
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, nails, teeth, eyes, cartilage, and thyroid tissue.