Case Report
Septooptic Dysplasia with an Associated Arachnoid Cyst
Table 1
Summary of pertinent lab values.
| | Value | Units | Reference ranges |
| Free T4 | 9.0 | pmol/L | 7.7–22.5 | TSH | 3.4 | μIU/mL | 0.40–5.50 | Ammonia | 75 | μmol/L | 20–55 | Total bilirubin | 70.1 | μmol/L | 1.7–20.5 | Direct bilirubin | 25.7 | μmol/L | 1.7–3.4 |
| Critical sample | Glucose | 2.1 | mmol/L | 3.9–6.1 | Cortisol | 11.0 | nmol/L | > | Growth hormone | 3.2 | μg/L | > | Insulin | 0.7 | pmol/L | < | Lactate | 0.8 | mmol/L | 0.5–2.2 | Free fatty acids | 0.27 | mmol/L | > | β-Hydroxybutyrate | 0.12 | mmol/L | > | Acylcarnitine profile | Normal | | | Serum amino acids | Normal | | | Urine organic acids | Normal | | |
| Glucagon stimulation test | +10 min Glucose | 4.2 | mmol/L | | +20 min Glucose | 5.1 | mmol/L | | +30 min Glucose | 5.0 | mmol/L | |
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Levels expected during hypoglycemia. Abnormal values are in bold.
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