| PNP | pancreatic polypeptide; para-nitrophenol; peak negative pressure; pediatric nurse practitioner; peri... |
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| POE | pediatric orthopedic examination; physician order entry; point of entry; polyoxyethylene; postoperat... |
| POG | pediatric oncology group; polymyositis ossificans generalisata |
| PS | pacemaker syndrome; paired stimulation; paradoxical sleep; paraspinal; parasympathetic; Parkinson sy... |
| PSICU | pediatric surgical intensive care unit |
| medullary sponge kidney | <radiology> Renal tubular ectasia, dilatation and cyst formation of collecting tubules in renal pyramids, Calcium most likely to be medullary nephrocalcinosis, not hereditary; males (2:1), usually bilateral associated with, renal tubular acidosis (RTA), Caroli disease, parathyroid adenoma, hypertrophic pyloric stenosis, Ehlers-Danlos syndrome, ipsilateral hemihypertrophy (12 Dec 1998) |
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| pelvic kidney | Kidney that has been displaced into the pelvis. (05 Mar 2000) |
| Goldblatt kidney | A kidney whose arterial blood supply has been compromised, as a consequence of which arterial (renovascular) hypertension develops. (05 Mar 2000) |
| granular kidney | A kidney in which fairly uniform, diffusely and evenly situated foci of scarring of the interstitial tissue of the cortex (and sometimes scarring of glomeruli), and the associated slight degree of bulging of groups of dilated tubules, leads to the development of a minutely bosselated surface; such kidney's are seen in arteriolar nephrosclerosis or chronic glomerulonephritis. Synonym: sclerotic kidney. (05 Mar 2000) |
| Rose-Bradford kidney | A form of fibrotic kidney of inflammatory origin found in young persons. (05 Mar 2000) |
| chronic kidney failure | Chronic renal failure represents a slow decline in kidney function over time. Chronic renal failure may be caused by a number of disorders which include long-standing hypertension, diabetes, congestive heart failure, lupus or sickle cell anaemia. If renal function declines to a low enough level (end-stage renal disease) kidney dialysis may be necessary. A sudden decline in renal function may be triggered by a number of acute disease processes. Examples include sepsis (infection), shock, trauma, kidney stones, kidney infection, drug toxicity (aspirin or lithium), poisons or toxins (drug abuse) or after injection with an iodinated contrast dye (adverse effect). Both forms of renal failure result in a life-threatening metabolic derangement. (27 Sep 1997) |
| middle kidney | <anatomy> The middle one of the three pairs of embryonic renal organs developed in most vertebrates; the Wolffian body. Origin: NL, fr. Gr. Middle + kidney. Source: Websters Dictionary (01 Mar 1998) |
| clear cell carcinoma of kidney | <radiology> Hypernephroma, renal cell carcinoma, arises from proximal collecting tubule, 10% bilateral adenocarcinoma types: papillary, alveolar, onchocytoma vascularity, 85% hypervascular (require pre-op embolization), 10% hypovascular (usually papillary type), 5% avascular associated with: tuberous sclerosis, von Hippel-Lindau syndrome see also: staging (12 Dec 1998) |
| wandering kidney | The abnormally mobile kidney in nephroptosia. Synonym: movable kidney, wandering kidney. (05 Mar 2000) |
| waxy kidney | A kidney in which amyloidosis has occurred, usually in association with some chronic illness such as multiple myeloma, tuberculosis, osteomyelitis, or other chronic suppurative inflammation; such kidney's are moderately enlarged and grossly manifest a waxy appearance, with amyloid deposited beneath the endothelium in the glomerular loops and in the arterioles, apparently beginning as foci of thickening of the basement membranes. Synonym: waxy kidney. (05 Mar 2000) |
| mortar kidney | A kidney containing caseous material trapped by stricture of the ureter due to tuberculous granulations in renal tuberculosis. Synonym: mortar kidney. (05 Mar 2000) |
| movable kidney | The abnormally mobile kidney in nephroptosia. Synonym: movable kidney, wandering kidney. (05 Mar 2000) |
| multicystic dysplastic kidney disease | <radiology> most severe form of renal dysplasia, most common cause of palpaple abdominal mass in infants, unilateral (almost always; if bilateral, death occurs in utero), ureter absent or atretic, not associated with other cysts or with periportal fibrosis, Potter type II (12 Dec 1998) |
| congenital kidney abnormalities | Kidney abnormalities that are present from birth (for example polycystic kidneys). (27 Sep 1997) |
| contracted kidney | A diffusely scarred kidney in which the relatively large amount of abnormal fibrous tissue and ischemic atrophy leads to a moderate or great reduction in the size of the organ, as in arteriolar nephrosclerosis and chronic glomerulonephritis. (05 Mar 2000) |