(n.) The act of radiating, or the state of being radiated; emission and diffusion of rays of light; beamy brightness.
(n.) The shooting forth of anything from a point or surface, like the diverging rays of light; as, the radiation of heat.
Example Sentences:
(1) Recently, it has been shown that radiation therapy, alone or combined with chemotherapy, can be successful.
(2) Sixteen patients were operated on for lumbar pain and pain radiating into the sciatic nerve distribution.
(3) Because of the small number of patients reported in the world literature and lack of controlled studies, the treatment of small cell carcinoma of the larynx remains controversial; this retrospective analysis suggests that combination chemotherapy plus radiation offers the best chance for cure.
(4) Breast conserving surgery in patients with small tumors combined with radiation therapy has gained wide popularity due to better cosmetic results without significant changes in survival.
(5) A Monte Carlo simulation was performed to characterize the spatial and energy distribution of bremsstrahlung radiation from beta point sources important to radioimmunotherapy (RIT).
(6) While both inhibitors caused thermosensitization, they did not affect the time scale for the development of thermotolerance at 42 degrees C or after acute heating at 45 degrees C. The inhibitors of poly(ADP-ribosylation) radiosensitizers and thermosensitizers may be of use in the treatment of cancer using a combined modality of radiation and hyperthermia.
(7) 11 patients with a postoperative classification of stage D had additional external beam radiation to the pelvic and paraaortic lymph nodes with shielding of the implanted prostatic region.
(8) Data are shown for both mutagenesis and carcinogenesis, indicating that, in this respect, even the smallest average organ absorbed dose can be effective, particularly for high-LET radiation.
(9) Protein kinase C (PKC) is activated rapidly and transiently following ionizing radiation exposure and is postulated to activate downstream nuclear signal transducers.
(10) It was found that there was a substantial increase in mortality rates in the area under the jets where there was large noise radiation.
(11) This was treated with local radiation therapy consisting of 2700 rads administered in 15 fractions during a period of 28 days.
(12) This linkage information was used to design complementation tests to determine allelism with previously characterized complementation groups affecting sensitivity to radiation.
(13) There was good agreement between the survival of normally oxygenated cells in culture and bright cells from tumors and between hypoxic cells in culture and dim cells from tumors over a radiation dosage range of 2-5 Gray.
(14) At the completion of radiation therapy, nine patients had negative biopsies.
(15) It has a poor prognosis prior to the current combined treatment of surgical ablation, radiation to the surgical field, and chemotherapy for microscopic metastases.
(16) Radiation exposure resulted in further significant decrease of T-cell count (but not B cells) in the elderly.
(17) This study reviewed 148 patients who had received radiation for head and neck cancer.
(18) The significantly lower radiation sensitivity of FL-marker than that of infectivity indicates that only part of the genome is responsible for the FL-marker.
(19) Treatment modalities included: partial temporal bone resection, subtotal temporal bone resection, total temporal bone resection, radical mastoidectomy followed by radiation therapy, radiation therapy alone, and chemotherapy.
(20) In addition, a new dosage concepts has been introduced on the basis of the effective dose on the lines of the recommendations by the IRCP; as a result, the definitions of radiation protection areas and of dosage limit values had to be revised and reworded.
Radiograph
Definition:
(n.) A picture produced by the Rontgen rays upon a sensitive surface, photographic or fluorescent, especially a picture of opaque objects traversed by the rays.
Example Sentences:
(1) In 1 of the 3, anterior capsular detachment was also demonstrated radiographically and confirmed surgically.
(2) Periosteal chondroma is an uncommon benign cartilagenous lesion, and its importance lies primarily in its characteristic radiographic and pathologic appearance which should be of assistance in the differential diagnosis of eccentric lesions of bones.
(3) Plain radiographs should be the initial screening modality for a suspected foreign body.
(4) Periodontal disease activity is defined clinically by progressive loss of probing attachment and radiographically by progressive loss of alveolar bone.
(5) We have reviewed our experience in the radiographic and ophthalmologic evaluation of 1001 patients with symptoms suggesting the presence of a pituitary, prolactin-secreting adenoma.
(6) The remaining grafts appeared to be incorporated securely, as determined by radiographic examination.
(7) Conventionally taken radiographs are captured by a video camera and processed by the IPS system (KONTRON).
(8) Radiographic examination revealed that three of the cysts had increased is size, three had decreased in size, three had not changed in size, and two had disappeared; no evaluation could be made on two.
(9) Variables from the medical history, physical examination, laboratory tests, and radiographs were used to develop different sets of criteria to serve different investigative purposes.
(10) From this it is clear that either an absolute increase in radiographic density or structural failure are the earliest radiological features.
(11) Differences between mean durations of dust exposure of workers with radiographic signs of lung fibrosis and those without such signs were statistically insignificant.
(12) Fibreoptic bronchoscopy should be undertaken in patients suspected of having a pulmonary complication of AIDS, even if the chest radiograph is normal.
(13) These views are very practical for inferior synovial cavity arthrograms performed in the dental operatory since panoramic radiographic machines have become common in modern dental practices.
(14) A simple technique is described for producing enhanced radiographs of excised breast specimens with clinical mammographic equipment.
(15) This may help explain the poor correlation of low-back pain with radiographic degenerative changes reported in previous epidemiologic studies.
(16) Radiographically the bone cyst distinguishes itself by its central localisation in the metaphysis, where as the giant cell tumor has an excentric position in the epiphysis with a tendency of extending into the metaphysis.
(17) These fractures were confirmed by a repeat radiographs performed 6 and 8 days later.
(18) A case is presented with radiographically demonstrated angioedema in the stomach and small bowel accompanied by allergic rhinitis, which was apparently an allergic response to the barium sulfate suspension.
(19) An 11-year clinical and radiographic follow-up of an avulsed tooth, replanted within 15 minutes, has been presented.
(20) Radiographs were taken with bones placed in up to four of the common sites of impaction and assessed on two occasions independently by two previously uninvolved ENT consultants.