A 56 year old woman with large cell lung carcinoma complained of an unpleasant sweet taste (dysgeusia). She developed hyponatraemia caused by the syndrome of inappropriate antidiuretic hormone secretion (SIADH). Dysgeusia disappeared when serum sodium normalised and recurred when hyponatraemia relapsed. Dysgeusia was the initial and only symptom of SIADH in this case.
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Yuichi NAKAZATO (2005) studied this question.
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