MRCP2-2301

MRCP2-2301

You are asked to review a 76-year-old woman on the oncology ward. She complains of widespread bruising and bleeding gums. She has a past medical history of lymphoma. She has required 7 red cell transfusions and 4 platelet transfusions in the past 12 months.

Blood results are as follows:

Hb 98 g/l
Platelets 6 * 109/l
WBC 3.9 * 109/l

You decide to transfuse her 1 unit of platelets. A repeat blood test the following day is reported below:

Hb 94 g/l
Platelets 10 * 109/l
WBC 4.1 * 109/l

What investigation will you order next?