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Letters to JCP
Clinical phenotype of haemoglobin Q-H disease
  1. K F S Leung,
  2. E S K Ma,
  3. A Y Y Chan,
  4. L C Chan
  1. Division of Haematology, Department of Pathology, The University of Hong Kong, Queen Mary Hospital, Hong Kong
  1. Correspondence to:
 Dr E S K Ma
 Division of Haematology, Department of Pathology, The University of Hong Kong, Queen Mary Hospital, 102 Pokfulam Road, Hong Kong; eskmahkucc.hku.hk

Abstract

Seven patients of Chinese origin who had haemoglobin (Hb) Q-H disease were studied. They were found to have a similar clinical phenotype to that of patients with deletional Hb H disease, who have a near identical genotypic configuration. The complete absence of Hb A in Hb Q-H disease and the similar clinical phenotype to deletional Hb H disease lends support to the observation that Hb Q-Thailand shares similar functional properties with Hb A.

  • haemoglobin Q-H disease
  • haemoglobin Q-Thailand
  • Hb, haemoglobin
  • SEA deletion, (– –SEA) α thalassaemia deletion

https://doi.org/10.1136/jcp.57.1.81

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