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Paroxysmal Nocturnal Haemoglobinuria (PNH) is a very rare disease affecting the blood. PNH patients’ blood cells are unable to defend themselves from their own immune system, resulting in their red blood cells being destroyed.
How is PNH diagnosed and what does the PNH clone size mean? What other tests might be done in PNH patients and what should PNH patients tell their doctor?
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