Diabetic spinal cord disease: Involvement of the spinal cord in diabetes. Most of the neurologic attention in diabetes mellitus has focused on distal symmetric polyneuropathy (DSP) — abnormalities of the peripheral nerves, in particular, the nerves to the feet and hands. However, the nerve damage in diabetes can be more generalized and involve the spinal cord. The spinal cord is significantly smaller in diabetic patients with DSP compared to normal, whereas the spinal cord in diabetic patients without DSP is normal. Whether spinal-cord involvement in diabetes is a primary or secondary event in DSP is uncertain, but it is now crystal clear that the spinal cord can be an important target in diabetes.
Diabulimia: The practice of minimizing one’s insulin dosages by patients with type 1 diabetes mellitus in an attempt to control body weight. Since insulin encourages fat storage, sometimes patients attempt to manipulate their insulin, often skipping doses, in an attempt to reduce weight gain. The term does not refer to a recognized medical condition but […]
- Diachronic study
Diachronic study: A study done over the course of time. For example, a longitudinal study of children with Down syndrome (trisomy 21) might involve the study of 100 children with this condition from birth to 10 years of age. Also called a longitudinal study. The opposite of a synchronic (cross-sectional) study.
Diagnosis: 1 The nature of a disease; the identification of an illness. 2 A conclusion or decision reached by diagnosis. The diagnosis is rabies. 3 The identification of any problem. The diagnosis was a plugged IV. The word diagnosis comes directly from the Greek, but the meaning has been changed. To the Greeks a diagnosis […]
- Diagnosis, differential
Diagnosis, differential: The process of weighing the probability of one disease versus that of other diseases possibly accounting for a patient’s illness. The differential diagnosis of rhinitis (a runny nose) includes allergic rhinitis (hayfever), the abuse of nasal decongestants and, of course, the common cold.
- Diagnostic mammogram
An X-ray of the breast done to evaluate: Abnormalities seen or suspected on a prior screening mammogram; Subjective or objectives abnormalities in the breast such as a lump, pain, thickening, nipple discharge or a inexplicable change in breast size or shape; Breasts for which it is difficult to obtain a clear X-ray by a screening […]