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Case report
Type B lactic acidosis due to Warburg effect in a child presenting with T cell acute lymphoblastic leukaemia: a milder phenotype
  1. Sanjeev Khera1,
  2. Suman Kumar Pramanik2,
  3. Suprita Kalra1 and
  4. Aradhana Dwivedi1
  1. 1Pediatrics, Army Hospital Research and Referral, New Delhi, India
  2. 2Hematology, Army Hospital Research & Referral, New Delhi, India
  1. Correspondence to Dr Sanjeev Khera; kherakherakhera{at}


Lactic acidosis (LA) is characterised by persistently increased blood lactate >5 mmol/L. Type A LA due to anaerobic glycolysis is frequently seen during management of haematological malignancies. A rare form of LA known as type B LA, which occurs as a result of metabolic dysregulation at cellular level has been described recently. This has been reported to be because of Warburg effect (WE) or aerobic glycolysis, which is seen in cancerous cells as they rely on aerobic glycolysis rather than oxidative phosphorylation for energy generation. Presence of type B LA at initial presentation of haematological malignancies is a poor prognosticating factor and has rarely been reported in children. We present a child with T cell acute lymphoblastic leukaemia with mild phenotype of type B LA due to WE. She responded dramatically to definitive chemotherapy and tolerated intensive phase of chemotherapy without any significant morbidity.

  • haematology (incl blood transfusion)
  • malignant and benign haematology
  • paediatric oncology
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  • Contributors SK conceptualied, written manuscript, reviewed the literature and managed the case. SKP, SuK and AD helped in patient management and manuscript writing.

  • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

  • Competing interests None declared.

  • Patient consent for publication Parental/guardian consent obtained.

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

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