| NPDL | nodular poorly differentiated lymphocytic |
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| NRH | nodular regenerative hyperplasia |
| NS | natural science; Neosporin; nephrosclerosis; nephrotic syndrome; nervous system; neurological surger... |
| NSF | National Science Foundation; nodular subepidermal fibrosis |
| NSHD | nodular sclerosing Hodgkin disease |
| nodular vasculitis | Chronic or recurrent nodular lesions of subcutaneous tissue, especially of the legs of older women, with lobular panniculitis, granulomatous inflammation with multinucleated giant cells, focal necrosis, and obliterative inflammation of the small blood vessels, resembling erythema induratum but without evidence of associated tuberculosis. (05 Mar 2000) |
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| toxic nodular goitre | <endocrinology> An enlarged thyroid gland which contains nodules which release excess thyroid hormone. This condition usually arises from long-standing simple goitre in the elderly. Symptoms of hyperthyroidism result. (12 Jan 1998) |
| focal nodular hyperplasia | <radiology> Focal nodules of normal hepatocytes, Kuppfer cells and bile ducts, F more than M, rare, benign, multiple in 20%, haemorrhage (most common complication) in only 2-3% (unlike hepatic adenoma), stellate fibrous septae (stellate scar), NM: normal or increased uptake on HIDA and sulfur colloid (12 Dec 1998) |
| localised nodular tenosynovitis | A nodule, possibly inflammatory in nature, arising commonly from the flexor sheath of the fingers and thumb; composed of fibrous tissue, lipid-and haemosiderin-containing macrophages, and multinucleated giant cells. Synonym: localised nodular tenosynovitis. (05 Mar 2000) |