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  2. Aneurysmal bone cyst - Wikipedia

    en.wikipedia.org/wiki/Aneurysmal_bone_cyst

    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]

  3. Bone cyst - Wikipedia

    en.wikipedia.org/wiki/Bone_cyst

    The simple bone cyst is a common, benign, fluid-containing lesion, most commonly found in the metaphysis of long bones, typically the proximal humerus or femur. Pathologic fractures are common, often with minor trauma. These cysts typically resolve after skeletal maturity and are not typically associated with bone tumors.

  4. Cysts of the jaws - Wikipedia

    en.wikipedia.org/wiki/Cysts_of_the_jaws

    Oral and Maxillofacial Surgery, Dentistry. Cysts of the jaws are cysts —pathological epithelial -lined cavities filled with fluid or soft material—occurring on the bones of the jaws, the mandible and maxilla. Those are the bones with the highest prevalence of cysts in the human body, due to the abundant amount of epithelial remnants that ...

  5. Odontogenic cyst - Wikipedia

    en.wikipedia.org/wiki/Odontogenic_cyst

    Odontogenic cysts are a group of jaw cysts that are formed from tissues involved in odontogenesis (tooth development). Odontogenic cysts are closed sacs, and have a distinct membrane derived from the rest of odontogenic epithelium. It may contain air, fluids, or semi-solid material. Intra-bony cysts are most common in the jaws, because the ...

  6. Unicameral bone cyst - Wikipedia

    en.wikipedia.org/wiki/Unicameral_bone_cyst

    A unicameral bone cyst, also known as a simple bone cyst, is a cavity filled with a yellow-colored fluid. [1][3] It is considered to be benign since it does not spread beyond the bone. [4] Unicameral bone cysts can be classified into two categories: active and latent. [4] An active cyst is adjacent to the epiphyseal plate and tends to grow ...

  7. Pseudocyst - Wikipedia

    en.wikipedia.org/wiki/Pseudocyst

    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.

  8. Giant-cell tumor of bone - Wikipedia

    en.wikipedia.org/wiki/Giant-cell_tumor_of_bone

    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 ...

  9. Osteonecrosis of the jaw - Wikipedia

    en.wikipedia.org/wiki/Osteonecrosis_of_the_jaw

    Osteonecrosis of the jaw (ONJ) is a severe bone disease (osteonecrosis) that affects the jaws (the maxilla and the mandible). Various forms of ONJ have been described since 1861, and a number of causes have been suggested in the literature. Osteonecrosis of the jaw associated with bisphosphonate therapy, which is required by some cancer ...