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Hb Baden: a rare high affinity haemoglobin variant and its management
  1. Joe Lee,
  2. Claire N Harrison
  1. Department of Haematology, Guy’s Hospital, London, UK
  1. Correspondence to Dr Joe Lee, Specialty registrar Haematology, Guy’s and St Thomas’ NHS foundation Trust, Haematology Department. Guy’s hospital, Great Maze Pond, SE1 9RT, London, UK; joe.lee{at}


Haemoglobin Baden is a rare variant haemoglobin which has only recently been clinically and functionally characterised. We present the case of a young adult male patient who presented with an erythrocytosis but was clinically asymptomatic. His mother was also diagnosed retrospectively having presented with erythrocytosis being treated with regular venesections. We discuss the management plan and potential significance of being a carrier of this rare haemoglobin variant.

  • haemoglobin
  • haemoglobinopathy
  • polycythaemia

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  • Handling editor Mary Frances McMullin.

  • Contributors JL drafted the paper and CH edited and approved the submitted version.

  • Competing interests None declared.

  • Patient consent Obtained.

  • Provenance and peer review Not commissioned; externally peer reviewed.

  • Data sharing statement No additional data available.