4th June 2021

A 65-year-old woman has been admitted to hospital with pseudogout

A 65-year-old woman has been admitted to hospital with pseudogout. Her blood results are below.

What is the cause of her pseudogout?

• Hb: 104 (115-165g/L)
• WCC: 5.2 x 10⁹ (3.6-11.0 x 10⁹/L)
• Platelets: 144 x 10⁹ (140-400 x 10⁹/L)
• Na: 135 (133-146mmol/L)
• K: 4.2 (3.5-5.3mmol/L)
• Ca (adjusted): 2.4 (2.2-2.6mmol/L)
• Urea: 7.2 (2.5-7.8mmol/L)
• Creatinine 48 (45-84μmol/L)
• ALP 72 (30-130U/L)
• ALT 28 (<33U/L)
• CRP 56 (<5mg/L)
• PTH 3.5 (1.6-6.9pmol/L)
• Phosphate 0.9 (0.8-1.5mmol/L)
• Serum ferritin 270 (10-200 μg/L)
• Transferrin saturation 87% (10-45%)

Select the SINGLE most appropriate option from the list below. Select ONE option only.