| nodular tuberculid | A type of panniculitis characterised histologically by the presence of granulomas, vasculitis, and necrosis. It is traditionally considered to be the tuberculous counterpart of nodular vasculitis, but is now known to occur without tuberculous precedent. It is seen most commonly in adolescent and menopausal women, is initiated or exacerbated by cold weather, and typically presents as one or more recurrent erythrocyanotic nodules or plaques on the calves. The nodules may progress to form indurations, ulcerations, and scars. (12 Dec 1998) |
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| papular tuberculid | Small asymptomatic lichen papules on the trunk of children with tuberculosis; acid-fast bacilli are not seen in the dermal granulomas. Synonym: acne scrofulosorum, papular scrofuloderma, papular tuberculid. (05 Mar 2000) |
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| papulonecrotic tuberculid | Dusky-red papules followed by crusting and ulceration primarily on the extremities and predominantly in young adults with a deep focus of tuberculosis or with a history of preceding infection. Synonym: tuberculosis cutis follicularis disseminata, tuberculosis papulonecrotica. (05 Mar 2000) |
| rosacea-like tuberculid | Papular lesions in rosacea, characterised microscopically by perifollicular granulomas with central necrosis and scattered giant cells. Lupus miliaris disseminatus faciei is probably a form of granulomatous rosacea. Synonym: rosacea-like tuberculid, tuberculoid rosacea. (05 Mar 2000) |
| tuberculid | A lesion of the skin or mucous membrane resulting from hypersensitivity to mycobacterial antigens disseminated from a distant site of active tuberculosis. Origin: tubercul-+ G. -id (05 Mar 2000) |
| calcific nodular aortic stenosis | Most common type of aortic stenosis, occurring usually in elderly men, in which the cusps contain calcified fibrous nodules on both surfaces; the causes include rheumatic fever, atherosclerosis, age-related degeneration, and congenitally bicuspid aortic valve. (05 Mar 2000) |
| panniculitis, nodular nonsuppurative | A form of panniculitis characterised by recurrent episodes of fever accompanied by the eruption of single or multiple erythematous subcutaneous nodules on the lower extremities. They normally resolve, but tend to leave depressions in the skin. The condition is most often seen in women, alone or in association with other disorders. (12 Dec 1998) |
| goiter, nodular | An enlarged thyroid gland containing circumscribed nodules within its substance. (12 Dec 1998) |
| Salzmann's nodular corneal degeneration | Large and prominent nodules of a solid, opaque material that stands out from the surface of the cornea; occurs occasionally in persons previously affected by phlyctenular keratitis. (05 Mar 2000) |
| nodular | Bumpy. (12 Dec 1998) |
| nodular amyloidosis | A localised form of amyloidosis in which amyloid occurs as masses or nodules beneath the skin or mucous membranes, e.g., in the larynx. Synonym: amyloid tumour, focal amyloidosis. (05 Mar 2000) |
| nodular arteriosclerosis | Atheromas occurring in the arterial intima as discrete tumours. (05 Mar 2000) |
| nodular body | In fungi, a compact, roughly spherical or squarish structure formed by coiling and twisting of the end of a hypha; considered to be abortive growths toward sexual reproduction. (05 Mar 2000) |
| nodular disease | Oesophagostomiasis in herbivores and primates, characterised by nodules in the wall of the large intestine, caecum, and occasionally, the ileum; the nodules are filled with caseous material and result from host response to encystment of the larvae of Oesophagostomum species. (05 Mar 2000) |
| nodular episcleritis | Episcleritis with localised inflammation foci in episcleral tissues. (05 Mar 2000) |
| nodular fasciitis | A rapidly-growing tumour-like proliferation of fibroblasts, not thought to be neoplastic, with mild inflammatory exudation occurring in fascia; the fibrosis may infiltrate surrounding tissue but does not progress indefinitely or metastasize. Synonym: pseudosarcomatous fasciitis. (05 Mar 2000) |