| IRF | idiopathic retroperitoneal fibrosis; impulse response function; interferon regulatory factor; intern... |
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| IRS | immunoreactive secretion; infrared spectrophotometry; insulin receptor species; insulin receptor sub... |
| ISH | icteric serum hepatitis; in situ hybridization; internal self helper; International Society of Hemat... |
| ITA | inferior temporal artery; internal thoracic artery; International Tuberculosis Association |
| ITT | insulin tolerance test; internal tibial torsion |
| Bartter's syndrome | <syndrome> A clinical syndrome characterised by enlargement of certain kidney cells, alkalosis, hypokalaemia and increased production of the hormone aldosterone. Common in children and may be seen in dwarfism. (27 Sep 1997) |
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| basal cell nevus syndrome | <syndrome> An inherited group of defects which involve abnormalities of the skin, eyes, nervous system, endocrine, glands and bones. The condition is characterised by an unusual facial appearance and a predisposition for skin cancer. (27 Sep 1997) |
| Basan's syndrome | <syndrome> Ectodermal dysplasia with hypotrichosis, hypohidrosis, defective teeth, and unusual dermatoglyphics. (05 Mar 2000) |
| Bassen-Kornzweig syndrome | <syndrome> A rare congenital disorder that causes the body to not produce chylomicrons, low density lipoprotein (LDL) and very low density lipoprotein (VLDL). Individuals with this condition are unable to properly digest fats. Other findings include ataxia, peripheral neuropathy and other forms of nerve dysfunction. Treatment includes vitamin E. (27 Sep 1997) |
| battered child syndrome | <radiology> Multiple assymetrical fractures, separation of distal epiphyses, irregularity and fragmentation of metaphyses, bucket-handle fracture, corner fracture of elbow, knee, ankle (sudden twisting motion), isolated spiral fracture, extensive periosteal reaction (subperiosteal haemorrhage), exuberant callus formation, cortical hyperostosis extending to epiphyseal plate, avulsion fracture at ligamentous insertion, subdural haematoma (most common), brain atrophy (up to 100%), infarction (50%), subdural hygroma, encephalomalacia, porencephaly (12 Dec 1998) |
| battered spouse syndrome | <syndrome> Physical, psychological, and emotional injuries in a person subjected to abuse by a spouse or domestic partner; usually associated with alcoholism in the abusing spouse. (05 Mar 2000) |
| Bauer's syndrome | <syndrome> Aortitis and aortic endocarditis as a little recognised manifestation of rheumatoid arthritis. (05 Mar 2000) |
| Bazex's syndrome | <syndrome> Erythematous to plum-coloured scaly acral skin lesions, paronychia, and nail dysplasia; associated with cancer of the upper respiratory or upper alimentary tract. Synonym: paraneoplastic acrokeratosis. (05 Mar 2000) |
| Beckwith syndrome | <syndrome> This syndrome, of unknown cause, is characterised by a group of the following findings: large tongue, organ enlargement (visceromegaly), large body size, umbilical hernia and neonatal hypoglycaemia. Evidence suggests a genetic lesion. Birth weight is often more than 8 pounds. Complications include Wilm's tumour, seizures, aspiration and hypoglycaemia. (27 Sep 1997) |
| Beckwith-Wiedemann syndrome | <syndrome> This syndrome, of unknown cause, is characterised by a group of the following findings: large tongue, organ enlargement (visceromegaly), large body size, umbilical hernia and neonatal hypoglycaemia. Evidence suggests a genetic lesion. Birth weight is often more than 8 pounds. Complications include Wilm's tumour, seizures, aspiration and hypoglycaemia. (27 Sep 1997) |
| Behcet's syndrome | <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 syndrome | <syndrome> Adult or presenile form of heredomacular degeneration. Synonym: Behr's disease. (05 Mar 2000) |
| Benedikt's syndrome | <syndrome> Hemiplegia with clonic spasm or tremor and oculomotor paralysis on the opposite side. (05 Mar 2000) |
| Beradinelli's syndrome | <syndrome> The clinical findings of accelerated growth, lipodystrophy with muscular hypertrophy, hepatomegaly and lipaemia. (27 Sep 1997) |
| Bernard-Horner syndrome | <syndrome> A nerve condition which involves a dropping eyelid (ptosis), constricted pupil, enophthalmos and lack of sweating on one side of the face. Often seen in association with injury (for example neck fracture, penetrating injury) to the cervical sympathetic nerve trunk in the neck or a Pancoast tumour involving both the upper and lower brachial plexus. (29 Sep 1997) |