AKT-0663
A 16-month-old girl presents with her mother to the General Practitioner, as her mother is concerned about her lack of energy and poor appetite. The girl drinks six 200-ml bottles of doorstep cow’s milk each day but eats very little at mealtimes. She is thriving (weight 97th centile) and examination is normal.
Investigations:
Investigation Result Normal value
Haemoglobin (Hb) 87 g/l 110–140 g/l
White blood count (WBC) 11 × 109/l 5–17× 109/l
Neutrophils 4.1 × 109/l 1–8.5× 109/l
Lymphocytes 5.9 × 109/l 1.5–9.5× 109/l
Platelets 357 × 109/l 150–400× 109/l
Mean corpuscular volume 65 fl 72–84 fl
What is the likely underlying cause of this patient’s presentation?