| case | 1. An instance of disease with its attendant circumstances. Compare: patient. 2. A box or container. Origin: L. Casus, an occurrence Borderline case, a patient, whose clinical findings are suggestive, but not fully convincing, of a specific diagnosis. (05 Mar 2000) |
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| case-control study | <epidemiology> A study in which the risk factors of people with a disease are compared with those without a disease. It is an epidemiological method that begins by identifying persons with the disease or condition of interest (the cases) and compares their past history of exposure to identified or suspected risk factors with the past history of similar exposures among persons who resemble the cases but do not have the disease or condition of interest (the controls). The relationship of an attribute to the disease can therefore be examined by comparing affected and non-affected individuals with regard to the frequency or levels of the attribute in each group. (05 May 2002) |
| case fatality rate | The proportion of individuals contracting a disease that die of that disease. (05 Mar 2000) |
| case fatality ratio | The mortality rate of a disease, usually expressed per 100 cases. (05 Mar 2000) |
| case management | A traditional term for all the activities which a physician or other health care professional normally performs to insure the coordination of the medical services required by a patient. It also, when used in connection with managed care, covers all the activities of evaluating the patient, planning treatment, referral, and follow-up so that care is continuous and comprehensive and payment for the care is obtained. (12 Dec 1998) |
| index case | A person who first draws attention to their family. For example, if my eye doctor discovers i have glaucoma and subsequently other cases of glaucoma are found in my family, i am the index case. Also called the propositus (if male) or proposita (if female). (12 Dec 1998) |
| organizational case studies | Descriptions and evaluations of specific health care organizations. (12 Dec 1998) |
| trial case | In refraction, a box containing lenses for testing. (05 Mar 2000) |
| fly-case | <entomology> The covering of an insect, especially. The elytra of beetles. Source: Websters Dictionary (01 Mar 1998) |
| acromion presentation | Transverse presentation with the shoulder as the presenting part. Synonym: acromion presentation. (05 Mar 2000) |
| antigen presentation | A cell that carries on its surface antigen bound to MCH Class I or Class II molecules and presents the antigen in this context to T-cells. Includes macrophages, endothelium, dendritic cells and Langerhans cells of the skin. See: MHC restriction, histocompatibility antigens. (18 Nov 1997) |
| breech presentation | Presentation of any part of the pelvic extremity of the foetus, the nates, knees, or feet; more properly only of the nates; frank breech presentation occurs when the foetus presents by the pelvic extremity; the thighs may be flexed and the legs extended over the anterior surfaces of the body; in (05 Mar 2000) |
| vertex presentation | See: cephalic presentation. (05 Mar 2000) |
| cephalic presentation | Presentation of any part of the foetal head, usually the upper and back part as a result of flexion such that the chin is in contact with the thorax in vertex presentation; there may be degrees of flexion so that the presenting part is the large fontanel in sincipital presentation, the brow in brow presentation, or the face in face presentation. Synonym: head presentation. (05 Mar 2000) |
| pelvic presentation | Presentation of any part of the pelvic extremity of the foetus, the nates, knees, or feet; more properly only of the nates; frank breech presentation occurs when the foetus presents by the pelvic extremity; the thighs may be flexed and the legs extended over the anterior surfaces of the body; in (05 Mar 2000) |