Carbamazepine-induced hyponatremia following meningioma surgery: A case report

Figure 1 Cranial computed tomography and magnetic resonance imaging. A: Contrast-enhanced axial T1-weighted magnetic resonance image demonstrating an anterior cranial fossa meningioma with mass effect on the left frontal lobe; B: Coronal magnetic resonance image confirming the frontobasal location of the lesion; C: Postoperative cranial computed tomography scan showing satisfactory postoperative findings.

Figure 2 Serum sodium (mmol/L) over postoperative days. Annotations indicate carbamazepine (CBZ) initiation [postoperative days (POD) 0], start of 3% NaCl (POD 7), and CBZ discontinuation with levetiracetam initiation (POD 8). POD: Postoperative days.