| LAS | laboratory automation system; lateral amyotrophic sclerosis; laxative abuse syndrome; left anterior-... |
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| LGS | Langer-Giedion syndrome; Lennox-Gastaut syndrome; limb girdle syndrome |
| MPS | meconium plug syndrome; medial premotor system; Member of the Pharmaceutical Society; microbial prof... |
| NBS | N-bromosuccinimide; National Bureau of Standards; neuroblastoma supressor; nevoid basal cell carcino... |
| PES | Patient Escort Service; photoelectron spectroscopy; physicians' equity services; polyethylene sulfon... |
| gareis-mason syndrome | <syndrome> An inherited (genetic) syndrome with characteristic features including (1) neurologically: mental retardation and aphasia (lack of speech); (2) limbs: adducted (clasped) thumbs, absent extensor pollicis longus and/or brevis muscles to the thumb, shuffling gait, and leg spasticity; (3) growth: small body size; (4) skeleton: lumbar lordosis (sway back). The syndrome is inherited as an X-linked trait and so affects mainly boys. Alternative names include MASA syndrome (MASA stands for mental retardation, aphasia, shuffling gait, and adducted thumbs), clasped thumb and mental retardation, congenital clasped thumb with mental retardation, and adducted thumb with mental retardation. (12 Dec 1998) |
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| malabsorption syndrome | <syndrome> A variety of conditions in which digestion and absorption in the small intestine are impaired. Multiple causes including lymphoma, amyloid and other infiltrations, Crohn's disease, gluten sensitive enteropathy and the sprue syndrome in which the villi atrophy for unknown reasons. (18 Nov 1997) |
| vasculocardiac syndrome of hyperserotonaemia | An obsolete term for carcinoid syndrome. (05 Mar 2000) |
| pancoast's syndrome | <syndrome> Destructive lesions of the thoracic inlet with involvement of the brachial and sympathetic plexus or carcinoma of the lung apex. It is characterised by pain in the shoulder region radiating toward the axilla and scapula, sensory and motor disorders and wasting of the muscles of the hand, the bernard-horner syndrome, and compression of the blood vessels with oedema. (12 Dec 1998) |
| Pancoast syndrome | <syndrome> Lower trunk brachial plexopathy and Horner syndrome due to malignant tumour in the region of the superior pulmonary sulcus. (05 Mar 2000) |
| vasovagal syndrome | gowers' syndrome |
| vater syndrome | <radiology> V vertebral anomalies vascular anomalies, A anal atresia, T tracheo-oesophageal fistula, E oesophageal atresia, R renal anomalies radial dysplasia (12 Dec 1998) |
| Ramsay Hunt's syndrome | <syndrome> An intention tremor beginning in one extremity, gradually increasing in intensity, and subsequently involving other parts of the body. Synonym: progressive cerebellar tremor. Facial paralysis, otalgia, and herpes zoster resulting from viral infection of the seventh cranial nerve and geniculate ganglion, a form of juvenile paralysis agitans associated with primary atrophy of the pallidal system. Synonym: paleostriatal syndrome, pallidal syndrome. Synonym: Ramsay Hunt's syndrome. (05 Mar 2000) |
| gastrocardiac syndrome | <syndrome> Disturbances of the heart's action due to faulty action of the digestive system, especially of the stomach. (05 Mar 2000) |
| malignant carcinoid syndrome | <syndrome> A symptom complex associated with carcinoid tumour and characterised by attacks of severe flushing of the skin, diarrhoeal watery stools, bronchoconstriction, sudden drops in blood pressure, oedema, and ascites. The carcinoid tumours are usually located in the gastrointestinal tract and metastasize to the liver. Symptoms are caused by tumour secretion of serotonin, prostaglandins, and other biologically active substances. Cardiac manifestations constitute carcinoid heart disease. (12 Dec 1998) |
| malignant mole syndrome | <syndrome> Irregularly shaped, variously coloured, distinctively melanocytic, 5 to 10 mm nevi occurring in large numbers (to over 100) primarily on the trunk and extremities, with a high risk of malignancy reported in several members and three generations of a family. (05 Mar 2000) |
| gastrojejunal loop obstruction syndrome | <syndrome> A complication of gastrojejunostomy, caused by acute or chronic obstruction of the afferent loop due to hernia, intussusception, kinking, volvulus, etc. It is characterised by pain and vomiting of bile-stained fluid and includes acute afferent loop obstruction and bilious vomiting. (12 Dec 1998) |
| mallory-weiss syndrome | <syndrome> Mucosal gastric tear, only 10% are purely oesophageal: most are at GE junction or proximal stomach, M greater than F, associated with retching, EtOH, massive haematemesis, abdominal pain, Diagnosis: endoscopy, Treatment: IA vasopressin see: oesophageal trauma (12 Dec 1998) |
| velo-cardio-facial syndrome | <syndrome> Also known as shprintzen syndrome, this more than is a congenital malformation (birth defect) syndrome with cleft palate, heart defect, abnormal face, and learning problems. The condition is therefore called the velo-cardio-facial (vcf) syndrome. (the velum is the soft palate). Other less frequent features include short stature, small-than-normal head (microcephaly), mental retardation, minor ear anomalies, slender hands and digits, and inguinal hernia. The cause is usually a microdeletion in chromosome band 22q11.2, just as in digeorge syndrome. Vcf and digeorge syndromes are different clinical expressions of essentially the same chromosome defect. Of essentially the same chromosome defect. (12 Dec 1998) |
| papillary muscle syndrome | Impaired function of a papillary muscle, usually due to ischemia or infarction, with resulting incompetence of the mitral valve. Synonym: papillary muscle syndrome. (05 Mar 2000) |