26th July 2024

An elderly patient with a history of previously treated breast cancer is admitted to hospital

An elderly patient with a history of previously treated breast cancer is admitted to hospital after sustaining a fracture of her left humeral shaft after a fall. She reports that she has been feeling tired recently but otherwise, she feels well.

Her admission blood tests show:

Hb 80 g/L (115-165)

WCC 8.7 x 10⁹/L (4.0-11.0)

Platelets 303 x 10⁹/L (150-400)

Serum urea 15 mmol/L (3.0-6.5)

Serum creatinine 170 µmol/L (60-125)

Corrected calcium 2.8 mmol/L (2.15-2.55)

Serum phosphate 0.7 mmol/L (0.7-1.5)

Serum albumin 27 g/L (32-50)

Serum total protein 100 g/L (63-80)

What is the most likely underlying diagnosis to explain her presentation and blood results?

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