(n.) A tumor composed mainly of bone; a tumor of a bone.
Example Sentences:
(1) The radiological and macroscopic features were identical with osteoid osteoma.
(2) The author maintains that the osteoma of the brachial muscle as well as post-traumatic periarticular calcifications, occur in the muscle mass or in the tendon that prolongs it, or in the articular capsule, as a result of surgical treament and post-operative immobilization, and only exceptionally following orthopaedic treatment of traumatic lesions.
(3) Examples include the specific pattern of hypodontia seen before the development of iris dysplasia in Rieger syndrome, and the presence of supernumerary teeth and facial osteomas preceding malignant transformation of intestinal polyps in Gardner syndrome.
(4) Complications due to orbital or intracranial development of the osteoma are rare and demand neurosurgical treatment.
(5) In Paget's disease, there was shown a relative increase in the oligopeptide fraction, whereas the polypeptide fraction was increased in osteoma.
(6) A bucco-lingual cross action through the mandible in the canine area revealed central osteomas.
(7) The frequencies in the two groups are as follows: In the benign group, osteoma had the highest incidence and then, with decreasing frequencies: osteochondroma, chondroma, synovioma, giant cell tumor, ossifying fibroma, osteoid osteoma, chondromyxoid fibroma.
(8) Button osteomas affect two animals and are the only neoplastic conditions observed.
(9) Other cells present in osteoid osteoma besides osteocytes included osteoprogenitor cells resembling Scott type A and B cells and cells in transitional stages of differentiation.
(10) Osteoid osteomas were removed by CT-guided core drill excision of the nidus in 4 patients.
(11) Juxta-articular osteoid osteomas often show an absent or small perifocal osteosclerosis, whereas a laminar periosteal reaction was seen in all own cases.
(12) Within a period of 16 months, 25 osteomas of the paranasal sinuses were observed.
(13) Osteoid osteoma is a benign osteoblastic tumor usually diagnosed by conventional radiography.
(14) In the light of our investigations (29 phthitic or chronically hypotonic eyes, 12 of them with intraocular bone formation) and the literature primary osteomas of the choroid have to be interpreted more likely as secondary processes, possibly following a (birth-)trauma, than as congenital choristomas.
(15) Thirteen cases of osteoid osteoma demonstrated with computerized tomography are reported.
(16) Juxtaarticular osteoid osteomas in the ankle are frequently misdiagnosed because their symptoms mimic arthritis and may precede roentgenographic findings.
(17) This is a case report of a 13-year-old boy with an osteoid-osteoma located in the pedicle of the third lumbar vertebra.
(18) Recent progress in radiology for management of bone tumors (scintigraphy, angiography) have given greater accuracy in the preoperative diagnosis of osteoid osteoma.
(19) The authors describe a clinic case regarding a 23 year-old man affected by an osteoid osteoma of the hip's posterior edge of the cotyloid cavity.
(20) If the diagnosis is still unclear, selective angiography may reveal the tumor blush typical of osteoid osteoma.
Skull
Definition:
(n.) A school, company, or shoal.
(n.) The skeleton of the head of a vertebrate animal, including the brain case, or cranium, and the bones and cartilages of the face and mouth. See Illusts. of Carnivora, of Facial angles under Facial, and of Skeleton, in Appendix.
(n.) The head or brain; the seat of intelligence; mind.
(n.) A covering for the head; a skullcap.
(n.) A sort of oar. See Scull.
Example Sentences:
(1) However, CT will be insensitive in the detection of the more cephalic proximal lesions, especially those in the brain stem, basal cisterns, and skull base.
(2) For the case described by the author primary tearing of the chiasma due to sudden applanation of the skull in the frontal region with burstfractures in the anterior cranial fossa is assumed.
(3) The skull films and CT scans of 1383 patients with acute head injury transferred to a regional neurosurgical unit were reviewed.
(4) We report a rare case of odontogenic abscess, detected while the patient was in the intensive care unit (ICU), which resulted in sepsis and the patient's death due to mediastinitis, skull osteomyelitis, and deep neck cellulitis.
(5) This lack of symmetry in shape and magnitude may be due to non-sphericity of the skull over the temporal region or to variations in conductivities of intervening tissues.
(6) As I looked further, I saw that there was blood and hair and what looked like brain tissue intermingled with that to the right area of her skull."
(7) The inner table of the skull over the lesion was eroded.
(8) A three-dimensional anatomic model of a human skull was produced with birefringent materials for photoelastic analysis.
(9) The effects on skull growth of plating the coronal suture and frontal bone were studied in New Zealand White rabbits.
(10) Much more recently, use of modern CT ("computed tomography") scanning equipment on the London Archaeopteryx's skull has enabled scientists to reconstruct the whole of its bony brain case - and so model the structure of the brain itself.
(11) Tension pneumocephalus was diagnosed by computed tomography (CT) scan and plain skull X-ray.
(12) After removal from the skull, the brains were processed for histopathological evaluation of ischemic neuronal damage by light microscopy and morphometry.
(13) The author describes three systems for (1) the treatment of mandibular fractures; (2) the treatment of midface fractures, for reconstructive surgery of the facial skeleton and the skull, and for orthognathic surgery; and (3) the reconstruction of mandibular defects including condyle replacement.
(14) To avoid the complications attributable to the cervical spine, we recommend roentgenographic examination in all neurofibromatosis patients who are about to have general anesthesia or skull traction for treatment of scoliosis.
(15) Eight macerated human child skulls with a dental age of approximately 9.5 years (mixed dentition) were consecutively subjected to an experimental standardized high-pull headgear traction system attached to the maxilla at the first permanent molar area via an immovable acrylic resin splint covering all teeth.
(16) Lateral skull X-ray images are routinely used in cephalometric analysis to provide quantitative measurements useful to clinical orthodontists.
(17) The absence of a visible fracture on plain skull radiographs does not exclude a fracture, and those patients with clinical signs of a fracture should be treated appropriately and further investigations performed.
(18) In our study, 17 fractures were detected in 594 patients who had skull radiography because of trauma to the head.
(19) The algorithm is an improvement over the sphere model in that it considers two distinct surfaces: an ellipsoid, to model the region of the skull on which the sensors are placed, and a sphere as the medium in which the current dipole model is considered.
(20) A new combination of techniques for resection of hemangiopericytoma of the skull base is described.