| goiter, nodular | An enlarged thyroid gland containing circumscribed nodules within its substance. (12 Dec 1998) |
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| goiter, substernal | An enlarged thyroid gland where the enlarged gland is situated beneath the sternum. (12 Dec 1998) |
| microfollicular goiter | Goiter in which the glandular tissue consists of unusually small colloid filled follicles and areas of undifferentiated tissue with indistinct follicle formation. (05 Mar 2000) |
| wandering goiter | A freely movable goiter that is sometimes above and sometimes below the sternal notch. Synonym: wandering goiter. (05 Mar 2000) |
| colloid goiter | A form of goiter in which the contents of the follicles increase greatly, causing pressure atrophy of the epithelium so that the gelatinous matter predominates in the tumour. Synonym: struma colloides. (05 Mar 2000) |
| plants, toxic | Plants or plant parts which are harmful to man or other animals. (12 Dec 1998) |
| cystic goiter | An enlargement in the thyroid region due to the presence of one or more cysts within the gland. (05 Mar 2000) |
| hepatitis, toxic | Acute hepatitis caused by true hepatotoxins such as amanita phaloides toxin, carbon tetrachloride, yellow phosphorus, and a variety of drugs. (12 Dec 1998) |
| shock, toxic | See Syndrome, toxic shock. (12 Dec 1998) |
| simple goiter | Thyroid enlargement unaccompanied by constitutional effects, e.g., hypo-or hyperthyroidism, commonly caused by inadequate dietary intake of iodine. (05 Mar 2000) |
| substernal goiter | Enlargement of the thyroid gland, chiefly of the lower part of the isthmus, palpable with difficulty or not at all. (05 Mar 2000) |
| nontoxic goiter | Goiter not accompanied by hyperthyroidism. (05 Mar 2000) |
| suffocative goiter | A goiter that by pressure causes extreme dyspnea. (05 Mar 2000) |
| syndrome, toxic shock | A grave condition occurring predominantly in menstruating women using tampons, toxic shock is characterised by a highly toxic state (with sudden high fever, vomiting, diarrhoea, muscle aching) followed by low blood pressure (hypotension) which can lead to shock (and death). There may be a rash resembling sunburn with peeling of skin. The channing laboratory in boston under dr. Edw. Kass discovered that toxic shock was due to a toxin produced by staph (staphylococcus) aureus bacteria growing under conditions with little or no oxygen. The syndrome occurs rarely in women not using tampons and in men. (12 Dec 1998) |
| diffuse goiter | Goiter in which the morbid process involves the whole gland, as opposed to nodular goiter or thyroid adenoma. (05 Mar 2000) |