uk-plab-1 MCQ (SBA): Multiple myeloma

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HardHaematologyMultiple myelomauk-plab-1

A 52-year-old man attends with fatigue and generalised aches. Hb is 9.8 g/dL, MCV 88 fL. Serum ferritin is normal, but serum calcium is 2.80 mmol/L and creatinine is mildly elevated. ESR is markedly raised. Urinalysis shows proteinuria. What is the most important investigation to confirm the suspected diagnosis?

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uk-plab-1 MCQ: Multiple myeloma — Answer & Explanation | iatroX