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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 dermoid cyst is a mature cystic teratoma containing hair (sometimes very abundant) and other structures characteristic of normal skin and other tissues derived from the ectoderm. The term is most often applied to teratoma on the skull sutures and in the ovaries of females.
Cysts caused by endometriosis, known as chocolate cysts; Hemorrhagic ovarian cyst; Dermoid cyst – the most common non-functional ovarian cyst, especially for women under the age of 30, [11] they are benign (non-cancerous) with varied morphology. [13] They can usually be diagnosed from ultrasound alone. [13]
Ranula in a female. A ranula usually presents as a translucent, blue, dome-shaped, fluctuant swelling in the tissues of the floor of the mouth. If the lesion is deeper, then there is a greater thickness of tissue separating from the oral cavity and the blue translucent appearance may not be a feature.
Ultrasound is the primary tool used to document the follicular cyst. A doctor monitors these to make sure they disappear, and looks at treatment options if they do not. A doctor monitors these to make sure they disappear, and looks at treatment options if they do not.
A cystic teratoma with a small Rokitansky nodule — region of thickened cyst wall (bottom part of image). In gynecology , a Rokitansky nodule is a mass or lump in an ovarian teratomatous cyst . [ 1 ]
In some instances, other methods must be used to distinguish between a normal cyst and a pseudocyst. [3] This is usually accomplished with endoscopic ultrasound or with fine needle aspiration. [2] Transabdominal ultrasound can be used to identify pseudocysts, which appear on the scan as echoic structures associated with distal acoustic ...
Acorn cyst sign is a radiologic sign indicating the presence of a benign uncomplicated cyst in ultrasound examinations of the breast. [1] It consists of a deep anechoic fluid portion resembling an acorn, and a superficial echogenic layer resembling an acorn cap. This sign is helpful for radiologists to differentiate a benign uncomplicated cyst ...