MRCP2-2292
A 79-year-old man presents with a 9-month history of 7 kg of weight loss, fevers, and night sweats. During examination, he has cervical and inguinal lymphadenopathy and a slightly enlarged spleen. The following are his blood results:
– Hb 98 g/L Male: (135-180) Female: (115 – 160)
– Platelets 145 * 109/L (150 – 400)
– WBC 38.5 * 109/L (4.0 – 11.0)
– Neuts 2.6 * 109/L (2.0 – 7.0)
– Lymphs 32 * 109/L (1.0 – 3.5)
What would be the preferred diagnostic investigation for the most probable diagnosis?