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The epidermoid cyst may have no symptoms, or it may be painful when touched. It can release macerated keratin. In contrast to pilar cysts, epidermoid cysts are usually present on parts of the body with relatively little hair. [2] Some vaginal cysts are epidermoid cysts. [3]
A sebaceous cyst is a term commonly used to refer to either: [1] Epidermoid cysts (also termed epidermal cysts, infundibular cyst) Pilar cysts (also termed trichelemmal cysts, isthmus-catagen cysts) Both of the above types of cysts contain keratin, not sebum, and neither originates from sebaceous glands.
Sebaceous cyst is a term used to refer to both an epidermoid cyst and a pilar cyst, though neither of these contain sebum, only keratin and do not originate in the sebaceous gland and so are not true sebaceous cysts. A true sebaceous cyst is relatively rare and is known as a steatocystoma. [38]
Steatocystoma multiplex (epidermal polycystic disease, sebocystomatosis) Steatocystoma simplex (simple sebaceous duct cyst, solitary steatocystoma) Stucco keratosis (digitate seborrheic keratosis, hyperkeratotic seborrheic keratosis, keratosis alba, serrated seborrheic keratosis, verrucous seborrheic keratosis)
A keratocyst is a type of cutaneous cyst. They appear similar to epidermoid cysts; however, are not limited to a specified location on the body. Keratocyst are most often reported in persons with nevoid basal cell carcinoma syndrome. [1]
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.
The best way to evaluate for an ovarian cyst is usually an ultrasound of the pelvis." Dr. Staci Tanouye, a board-certified ob-gyn, agrees, saying that most ovarian cysts don't cause symptoms ...
The two types of vocal fold cysts (sub-epithelial and ligament cysts) can be differentiated by colour, size and location. [ 2 ] [ 14 ] (See section on Types of vocal cord cysts for more information.) If the vocal fold cyst(s) are presumed to be congenital, the patient should have a history of presenting with a hoarse voice .