| radiotherapy | <oncology> The treatment of disease by ionising radiation. Origin: Gr. Therapeia = cure (18 Nov 1997) |
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| radiotherapy, adjuvant | Radiotherapy given to augment some other form of treatment such as surgery or chemotherapy. Adjuvant radiotherapy is commonly used in the therapy of cancer and can be administered before or after the primary treatment. (12 Dec 1998) |
| radiotherapy, computer-assisted | Computer systems or programs used in accurate computations for providing radiation dosage treatment to patients. (12 Dec 1998) |
| radiotherapy dosage | The total amount of radiation absorbed by tissues as a result of radiotherapy. (12 Dec 1998) |
| radiotherapy, high-energy | Radiotherapy using high-energy (megavolt or higher) ionizing radiation. Types of radiation include gamma rays, produced by a radioisotope within a teletherapy unit; X-rays, electrons, protons, alpha particles (helium ions) and heavy charged ions, produced by particle acceleration; and neutrons and pi-mesons (pions), produced as secondary particles following bombardment of a target with a primary particle. (12 Dec 1998) |
| radiotherapy localization | Planning the size and alignment of radiation beams to encompass the neoplasm to be treated. (05 Mar 2000) |
| radiotherapy planning, computer-assisted | Computer-assisted mathematical calculations of beam angles, intensities of radiation, and duration of irradiation in radiotherapy. (12 Dec 1998) |
| acute interstitial nephritis | <nephrology> A relatively uncommon condition which is characterised by inflammation of the renal tubules, glomeruli and surrounding tissue. Interstitial nephritis is usually be temporary and often associated with the use of a particular medication. Chronic and progressive forms do exist. Drugs that have been associated with interstitial nephritis include penicillins, ampicillin, sulpha drugs, non-steroidal anti-inflammatory agents, furosemide and thiazide diuretics. May result in mild kidney dysfunction or acute renal failure. Treatment may be with corticosteroids. Incidence: 1 in 25,000. (29 Dec 1997) |
| acute interstitial pneumonia | A severe and usually fatal form of pneumonia occurring primarily in infants usually considered a form of hypersensitivity pneumonitis. (05 Mar 2000) |
| acute interstitial pneumonitis | Usually considered a form of hypersensitivity pneumonitis. (05 Mar 2000) |
| apical interstitial lung disease | <radiology> A radiological diagnosis where fibrosis is seen in the apices (upper sections) of the lungs. Likely causes include: cystic fibrosis, ankylosing spondylitis, sarcoidosis, silicosis, eosinophlic granuloma, TB and fungus, particularly aspergillus infection. (25 Jun 1999) |
| basilar interstitial lung disease | <radiology> B bronchiectasis, A asbestosis, D drugs / DIP, L lymphangitic metastasis / LAM, A aspiration, S sarcoidosis, S scleroderma (12 Dec 1998) |
| chronic interstitial hepatitis | An obsolete term for cirrhosis of the liver. (05 Mar 2000) |
| chronic interstitial hypertrophic neuropathy | dejerine-Sottas disease |
| chronic interstitial salpingitis | Salpingitis in which fibrosis or mononuclear cell infiltration involves all layers of the fallopian or eustachian tube. Synonym: pachysalpingitis. (05 Mar 2000) |