| RAS | rapid atrial stimulation; recurrent aphthous stomatitis; reflex activating stimulus; reliability, av... |
|---|---|
| RBD | recurrent brief depression; relative biological dose; right border of dullness |
| RCDA | recurrent chronic dissecting aneurysm |
| rec | fresh [Lat. recens]; recessive; recombinant chromosome; record; recovery; recurrence, recurrent |
| recur | recurrence, recurrent |
| benign inoculation lymphoreticulosis | <disease> A self-limiting bacterial infection of the regional lymph nodes (lymphadenitis) caused by afipia felis, a gram-negative bacterium recently identified as bartonella henselae. It usually arises one or more weeks following a feline scratch, with raised inflammatory nodules at the site of the scratch being the primary symptom. It results in tender and enlarged lymph glands above the site of injury. A chronic benign adenopathy, especially in children and young adults, commonly associated with a recent cat scratch or bite and caused by bacteria including Bartonella henselae and Alipia felis; the lymphadenopathy usually resolves spontaneously within a period of several months, but complications involving central nervous system, liver, spleen, lung, and skin have been seen. Synonym: benign inoculation lymphoreticulosis, benign inoculation reticulosis, cat-scratch fever, regional granulomatous lymphadenitis. (05 Mar 2000) |
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| benign inoculation reticulosis | <disease> A self-limiting bacterial infection of the regional lymph nodes (lymphadenitis) caused by afipia felis, a gram-negative bacterium recently identified as bartonella henselae. It usually arises one or more weeks following a feline scratch, with raised inflammatory nodules at the site of the scratch being the primary symptom. It results in tender and enlarged lymph glands above the site of injury. A chronic benign adenopathy, especially in children and young adults, commonly associated with a recent cat scratch or bite and caused by bacteria including Bartonella henselae and Alipia felis; the lymphadenopathy usually resolves spontaneously within a period of several months, but complications involving central nervous system, liver, spleen, lung, and skin have been seen. Synonym: benign inoculation lymphoreticulosis, benign inoculation reticulosis, cat-scratch fever, regional granulomatous lymphadenitis. (05 Mar 2000) |
| benign juvenile melanoma | A benign, slightly pigmented or red superficial small skin tumour composed of spindle-shaped, epithelioid, and multinucleated cells that may appear atypical; most common in children, but also appearing in adults. Synonym: benign juvenile melanoma, epithelioid cell nevus, spindle cell nevus. (05 Mar 2000) |
| benign liver tumours | <radiology> EPITHELIAL TUMORS, nodular transformation, focal nodular hyperplasia, hepatocellular adenoma, MESENCHYMAL TUMORS, lipoma, myelolipoma, angiomyolipoma, leiomyoma, infantile haemangioendothelioma, haemangioma, benign mesothelioma, MIXED TISSUE TUMORS, mesenchymal hamartoma, benign teratoma, MISCELLANEOUS, adrenal rest tumours, pancreatic rest (12 Dec 1998) |
| benign lymphadenosis | <haematology, virology> Self limiting disorder of lymphoid tissue caused by infection with Epstein Barr virus (infectious mononucleosis). Characterised by the appearance of many large lymphoblasts in the circulation. (13 Nov 1997) |
| benign lymphocytoma cutis | A soft red to violaceous skin nodule often involving the head, caused by dense infiltration of the dermis by lymphocytes and histiocytes, often forming lymphoid follicles, separated from the epidermis by a narrow noninfiltrating layer. Synonym: Spiegler-Fendt pseudolymphoma, Spiegler-Fendt sarcoid. (05 Mar 2000) |
| 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) |