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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]
Marsupialization—the creation of a window into the wall of a cyst by raising a mucoperiosteal flap and attaching the cyst lining to the oral mucosa - allowing the contents to be drained. The window is left open, and the lack of pressure within the cyst causes the lesion to shrink, as the surrounding bone starts to fill in again.
B. Non-epithelial-lined cysts 1. Solitary bone cyst; 2. Aneurysmal bone cyst; II. Cysts associated with the maxillary antrum 1. Mucocele; 2. Retention cyst; 3. Pseudocyst; 4. Postoperative maxillary cyst; III. Cysts of the soft tissues of the mouth, face and neck 1. Dermoid and epidermoid cysts; 2. Lymphoepithelial (branchial) cyst; 3 ...
Aneurysmal bone cysts are benign neoformations which can affect any bone. More than half occur in the metaphysis of long bones (especially femur and tibia ) and between 12 and 30% in the spine. They were described in 1893 by Van Arsdale, [ 9 ] who called these lesions "homerus ossifying haematoma".
A pseudocyst is a cystic lesion that may appear as a cyst on scans, but lacks epithelial or endothelial cells. [4] An acute pancreatic pseudocyst is made of pancreatic fluids with a wall of fibrous tissue or granulation. [citation needed] Pseudocysts may form in a number of places, including the pancreas, abdomen, adrenal gland, and eye.
Aneurysmal bone cyst, a benign bone tumor with a radiographic cystic appearance. [13] Baker's cyst or popliteal cyst (behind the knee joint) Mucoid cyst (ganglion cysts of the digits) Stafne static bone cyst (an anatomic variant with radiographic cystic appearance in the posterior mandible) Subchondral cyst (cysts near the bony joints) [14]
The surprise was that part of Yager's jaw hadn't made it into his grave along with the rest of his remains. "We have absolutely no idea how [the jawbone] came into the child's collection," said ...
CT scans show features such as thin and expanded bony cortex, with or without bony matrix calcifications, and fluid levels due to aneurysmal bone cyst or bleeding within tumour. However, axial views of the subarticular bone (bony area adjacent to the articular cartilage) is not accurate due to voxel signal averaging. MRI is superior than CT on ...