| RIM | radioisotope medicine; recurrent induced malaria; relative-intensity measure |
|---|---|
| RLN | recurrent laryngeal nerve; regional lymph node; relaxin |
| ROU | recurrent oral ulcer |
| RPE | rate of perceived exertion; recurrent pulmonary embolism; retinal pigment epithelium; ribulose 5-pho... |
| RRI | recurrent respiratory infection; reflex relaxation index; relative response index |
| benign lymphoepithelial lesion | Benign tumour-like masses of lymphoid tissue in the parotid gland, containing scattered small, mainly solid islands of epithelial cells. Synonym: Godwin tumour. (05 Mar 2000) |
|---|---|
| benign lymphoma of the rectum | A rectal polyp composed of lymphoid tissue with follicle formation, covered by mucosa. (05 Mar 2000) |
| benign mesothelioma | A benign tumour of fibrous tissue which usually arises in the pleural space on other sites. Synonym: benign mesothelioma. (05 Mar 2000) |
| benign mesothelioma of genital tract | A small, circumscribed, benign tumour of the genital tract, composed of small glandlike spaces lined by flattened or cuboidal mesothelium-like cells. (12 Dec 1998) |
| benign migratory glossitis | <clinical sign> A benign condition where there is a map-like appearance to the tongue resulting from irregular denuded patches in the surface (loss of tongue papillae). Likely secondary to local irritation from hot or spicy foods, alcohol or tobacco. There are no significant complications. (27 Sep 1997) |
| benign mucosal pemphigoid | A chronic disease that produces adhesions and progressive cicatrization and shrinkage of the conjunctival, oral, and vaginal mucous membranes. Synonym: benign mucosal pemphigoid. (05 Mar 2000) |
| benign myalgic encephalomyelitis | An epidemic disease characterised by stiffness of the neck and back, headache, diarrhoea, fever, and localised muscular weakness; restricted almost exclusively to adults, affecting women more than men; probably viral in origin. Synonym: Akureyri disease, benign myalgic encephalomyelitis, epidemic myalgic encephalomyelitis, Iceland disease. (05 Mar 2000) |
| benign nasal tumour | A benign tumour of the posterior nasopharynx that is most common in adolescent boys. Symptoms repeated epistaxis, nasal congestion, nasal discharge and hearing loss. A skull X-ray or a CT scan of the head can confirm the presence of an angiofibroma. Treatment may include the surgical removal of the lesion if it is enlarging or blocking the airway. (27 Sep 1997) |
| benign neonatal convulsions | A familial, self-limited epilepsy, beginning at two or three days of age and resolving spontaneously by six months of age; autosomal dominant inheritance. (05 Mar 2000) |
| benign nephrosclerosis | <nephrology> Refers to the destructive changes that occur in the blood vessels of the kidney due to severe hypertension (malignant hypertension). Prolonged hypertension can result in renal failure. (17 Oct 1997) |
| benign paroxysmal peritonitis | familial paroxysmal polyserositis |
| benign paroxysmal postural vertigo | A recurrent, brief form of postural vertigo occurring in clusters; believed to result from displaced remnants of utricular otoconia. Synonym: cupulolithiasis. (05 Mar 2000) |
| benign positional vertigo | Brief attacks of paroxysmal vertigo and nystagmus that occur solely with certain head movements or positions, e.g., with neck extension; due to labyrinthine dysfunction. Synonym: positional vertigo of Barany, postural vertigo. (05 Mar 2000) |
| benign prostatic hyperplasia | <urology> A benign enlargement of the prostate gland begins normally after age 50 years probably secondary to the effects of male hormones. If significant enlargement occurs, it may pinch off te urethra making urination difficult or impossible. See: urinary retention. Origin: Gr. Plassein = to form (06 Aug 1998) |
| benign prostatic hypertrophy | <urology> A benign enlargement of the prostate gland begins normally after age 50 years probably secondary to the effects of male hormones. If significant enlargement occurs, it may pinch off te urethra making urination difficult or impossible. See: urinary retention. (06 Aug 1998) |