PMC5313354_01
Changes in serum sodium level after irinotecan-cisplatin administration.
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PMC5313354_01_ogs-60-115-g001.jpg
F1
Her plasma sodium concentration was 123 mEq/L, plasma osmolarity 267 mOsm/kg/H2O, and urine osmolarity 473 mOsm/kg/H2O, which were higher than the normal limit, thus confirming the diagnosis of SIADH induced by chemotherapy (Fig. 1); however, the patient remained alert.