| IIP | idiopathic interstitial pneumonia; idiopathic intestinal pseudo-obstruction; increased intracranial ... |
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| ILS | idiopathic leucine sensitivity; idiopathic lymphadenopathy syndrome; increase in life span; infrared... |
| IPD | idiopathic Parkinson disease; idiopathic protracted diarrhea; immediate pigment darkening; increase ... |
| IPS | idiopathic pain syndrome; idiopathic postprandial syndrome; inches per second; infundibular pulmonar... |
| LC | Laennec cirrhosis; Langerhans cell; late clamped; large chromophobe; lecithin cholesterol acyltransf... |
| diffuse oesophageal spasm | A disorder characterised by episodic contractions of the oesophagus. The oesophageal spasms fail to effectively propel food to the stomach. Symptoms may be confused with angina. Common symptoms include chest pains, epigastric pain, heartburn, pain on swallowing and difficulty swallowing. Treatment includes the use of sublingual nitroglycerin and calcium channel blockers. (27 Sep 1997) |
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| diffuse osteosclerosis | <radiology> Mnemonic: 3M PROFS, renal osteodystrophy, metastasis, mastocytosis, myelofibrosis, sickle cell disease, osteopetrosis (Albers-Schoenberg disease), pyknodysostosis, fluorosis (12 Dec 1998) |
| diffuse panbronchiolitis | Idiopathic inflammation and obstruction of bronchioles, eventually accompanied by bronchiectasis; cases reported almost entirely from Japan. Synonym: diffuse panbronchiolitis. (05 Mar 2000) |
| diffuse peritonitis | Peritonitis throughout the peritoneal cavity. Synonym: diffuse peritonitis. (05 Mar 2000) |
| diffuse phlegmon | A diffuse inflammation of the subcutaneous tissues accompanied by constitutional symptoms of sepsis. (05 Mar 2000) |
| diffuse pulmonary haemorrhage | <radiology> Thrombocytopenia, coagulopathy, idiopathic pulmonary haemosiderosis, Goodpasture syndrome, systemic lupus erythematosus, Wegeners granulomatosis, polyarteritis nodosa, Henoch-Schonlein purpura, Behcet disease, D-penicillamine, lymphangiography (12 Dec 1998) |
| diffuse small bowel disease | <radiology> SWELL GAMES, S sprue, dilatation, dilution, moulage, reversal of jejunal and ileal patterns, W Whipple disease, coarse nodular and irregular mucosa, E oedema, L lymphangiectasis, nodular, thickened folds, L lymphoma, nodular, thickened folds, G giardiasis, oedema and spasm of proximal small bowel, A amyloid, symmetric fold thickening, M mastocytosis, look for sclerotic bones, E eosinophilic gastroenteritis, thickened, nodular folds and spasm, S stasis syndromes see: small bowel disease (12 Dec 1998) |
| diffuse small cleaved cell lymphoma | <tumour> A diffuse poorly differentiated lymphocytic lymphoma; follicular centre cell lymphoma that lacks a follicular pattern; malignancy is of intermediate grade. (05 Mar 2000) |
| diffuse waxy spleen | A condition of amyloid degeneration of the spleen, affecting chiefly the extrasinusoidal tissue spaces of the pulp. Synonym: lardaceous spleen (05 Mar 2000) |
| idiopathic | Of the nature of an idiopathy, self originated, of unknown causation. (18 Nov 1997) |
| idiopathic aldosteronism | An adrenocortical disorder caused by excessive secretion of aldosterone and characterised by headaches, nocturia, polyuria, fatigue, hypertension, potassium depletion, hypokalaemic alkalosis, hypervolaemia, and decreased plasma renin activity; may be associated with small benign adrenocortical adenomas. Synonym: Conn's syndrome, idiopathic aldosteronism. (05 Mar 2000) |
| idiopathic bilateral vestibulopathy | Slowly progressive disorder affecting young to middle-aged adults, manifested as gait unsteadiness (especially when visual cues are absent) and oscillopsia, unaccompanied by vertigo and hearing loss. (05 Mar 2000) |
| idiopathic bone cavity | A unilocular cyst containing serous fluid and lined with a thin layer of connective tissue, occurring usually in the shaft of a long bone in a child. Synonym: idiopathic bone cavity, osteocystoma, simple bone cyst, traumatic bone cyst, unicameral bone cyst. (05 Mar 2000) |
| idiopathic bradycardia | A slow pulse for which no cause can be discovered. Synonym: idiopathic bradycardia. (05 Mar 2000) |
| idiopathic cardiomyopathy | Cardiomyopathy of unknown or obscure cause. A disease that affects mainly the heart muscle, sparing other cardiac structures and usually resulting in fibrosis, hypertrophy, or both. Synonym: idiopathic cardiomyopathy. (05 Mar 2000) |