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Endometrioma (also called chocolate cyst) is the presence of tissue similar to, but distinct from, the endometrium in and sometimes on the ovary. It is the most common form of endometriosis . [ 1 ] Endometrioma is found in 17–44% patients with endometriosis.
Aneurysmal bone cyst (ABC) is a non-cancerous bone tumor composed of multiple varying sizes of spaces in a bone which are filled with blood. [1] [4] The term is a misnomer, as the lesion is neither an aneurysm nor a cyst. [5] It generally presents with pain and swelling in the affected bone. [1]
When this bulge becomes large enough, it becomes palpable and cystic. Most Baker's cysts maintain this direct communication with the synovial cavity of the knee, but sometimes, the new cyst pinches off. A Baker's cyst can rupture and produce acute pain behind the knee and in the calf and swelling of the calf muscles.
The cyst is then filled with radiographic contrast to determine the volume and shape of the cyst. [4] If the cyst can be filled, it will be injected with methylprednisolone acetate in several intervals for a time span of six to twelve months. [4] Once the level of prostaglandin decreases, the cyst will be reabsorbed into the bone and disappear. [4]
Medical ultrasound includes diagnostic techniques (mainly imaging techniques) using ultrasound, as well as therapeutic applications of ultrasound. In diagnosis, it is used to create an image of internal body structures such as tendons, muscles, joints, blood vessels, and internal organs, to measure some characteristics (e.g., distances and velocities) or to generate an informative audible sound.
Peritoneal inclusion cysts are commonly visualized on ultrasonography as a spider-web-like pattern. A normal-looking ovary is encircled by a big, irregular or oval, echolucent cyst with fine internal septations. The ovary is frequently located in the middle of the inclusion cyst or on its lateral aspect, appearing to be dangling inside the cyst ...
These account for 8% of the sinuses and cysts of the neck. They are lateral to the facial nerve and run parallel to the external auditory canal. [9] Second branchial cleft cysts - These account for 90 to 95% of the neck cysts. Anterior to sternocleidomastoid muscle, posterior to submandibular gland, lateral to carotid sheath. They are medial to ...
A neck mass or neck lump is an ambiguous mass found in the neck area. There are many different possible causes, [1] including head and neck cancer [2] and congenital conditions like branchial anomalies and thyroglossal duct cysts. [3]