Table 1: Hematological, biochemical, and urinary investigations

24-hour urinary metanephrine

1.3 mg/24 hours

<1

Chromogranin A level

222.7 ng/ml

<98.1

Hemoglobin

12.7 g/dl

White cell count

9.9 \(\times\) 10³ µl

4–11

Platelet

608 × 10³ µl

150–400

Sodium

140 mmol/l

135–145

Potassium

4 mmol/l

3.5–5

Calcium

10.5 mg/dl

8.1–11

TSH

2.1 miu/l

0.465–4.68

Serum creatinine

0.5 mg/dl (eGFR135ml/min)

Urine microscopy

Protein + red cells nil

Urine albumin/creatinine

133.62 mg/g

<30

HbA1c

8.5%