| OD | Doctor of Optometry; obtained absorbance; occipital dysplasia; occupational dermatitis; occupational... |
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| OHD | hydroxyvitamin D; Office of Human Development; Ondine-Hirschsprung disease; organic heart disease |
| PAIN | pyoderma gangrenosum, aphthous stomatitis, inflammatory eye disease, erythema nodosum [disorders ass... |
| PAOD | peripheral arterial occlusive disease; peripheral arteriosclerotic occlusive disease |
| PKD | polycystic kidney disease; proliferative kidney disease |
| Batten-Mayou disease | Cerebral sphingolipidosis, late infantile and juvenile types. (05 Mar 2000) |
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| Bayle's disease | <neurology> Slight or incomplete paralysis. Origin: Gr. = relaxation (18 Nov 1997) |
| Bazin's disease | A type of panniculitis characterised histologically by the presence of granulomas, vasculitis, and necrosis. It is traditionally considered to be the tuberculous counterpart of nodular vasculitis, but is now known to occur without tuberculous precedent. It is seen most commonly in adolescent and menopausal women, is initiated or exacerbated by cold weather, and typically presents as one or more recurrent erythrocyanotic nodules or plaques on the calves. The nodules may progress to form indurations, ulcerations, and scars. (12 Dec 1998) |
| Bechterew's disease | Arthritis and osteitis deformans involving the spinal column; marked by nodular deposits at the edges of the intervertebral disks with ossification of the ligaments and bony ankylosis of the intervertebral articulations, it results in a rounded kyphosis with rigidity. Synonym: Bechterew's disease, poker back, Strumpell's disease. (05 Mar 2000) |
| Becker's disease | An obscure South African cardiomyopathy leading to rapidly fatal congestive heart failure and idiopathic mural endomyocardial disease. (05 Mar 2000) |
| Begbie's disease | Localised chorea. (05 Mar 2000) |
| Beguez Cesar disease | Chediak-Higashi syndrome |
| Behcet's disease | <syndrome> A multisystem, chronic recurrent disease characterised by ulceration in the mouth and genitalia, iritis, uveitis, arthritis and thrombophlebitis. Often treated with immunosuppressive therapy (corticosteroids, chlorambucil). (27 Sep 1997) |
| Behr's disease | <syndrome> Adult or presenile form of heredomacular degeneration. Synonym: Behr's disease. (05 Mar 2000) |
| Berger's disease | <disease, nephrology> This is a form of glomerulonephritis that results from the deposition of circulating IgA antibody in the kidney tissues. Inflammation of the glomerulus (glomerulonephritis) is the result and may present as acute glomerulonephritis, chronic glomerulonephritis or rapidly progressive glomerulonephritis. Berger's disease is usually detected in an individual with one or two bouts of haematuria (usually begins during or soon after a respiratory infection) and no other symptoms of renal disease. Only rarely, will Berger's disease permanently affect kidney function and progress to chronic renal failure. This renal disorder more commonly affects males in the 16-40 age group. (11 Jan 1998) |
| Bernard-Soulier disease | An autosomal recessive disorder of absent or decreased platelet membrane glycoproteins Ib, IX, and V (the receptor for factor VIII R. This deficiency can lead to a failure to bind von Willebrand factor, causing moderate bleeding. (05 Mar 2000) |
| Bernhardt's disease | <symptom> A tingling, formication, itching, and other forms of paresthesia in the outer side of the lower part of the thigh in the area of distribution of the lateral femoral cutaneous nerve; there may be pain, but the skin is usually hypesthetic to the touch. Synonym: Bernhardt's disease, Bernhardt-Roth syndrome, Roth's disease, Roth-Bernhardt disease. (21 Sep 2000) |
| Besnier-Boeck-Schaumann disease | <disease> Disease of unknown aetiology in which there are chronic inflammatory granulomatous lesions in lymph nodes and other organs. (18 Nov 1997) |
| Best's disease | <disease> Autosomal dominant retinal degeneration in the first several years of life. Inheritance: autosomal dominant. (27 Sep 1997) |
| Bielschowsky's disease | Early childhood type of lipofuscinosis. (05 Mar 2000) |