Life threatening hypophosphataemia in a patient with Philadelphia chromosome-positive chronic myelogenous leukaemia in acute blastic crisis

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Abstract
Life-threatening hypophosphataemia developed in a 47 year old woman with blastic crisis of chronic myelogenous leukaemia. The patient's hospitalization was characterized by reciprocal relationship between her white cell count and the serum phosphorus levels. The patient did not demonstrate any of the usual causes of profound hypophosphataemia. The postulated mechanism of this patient's hypophosphataemia is uptake by the rapidly dividing leukaemic cells. To the best of our knowledge this is the first case in the English literature of hypophosphataemia associated with blast crisis of Philadelphia chromosome-positive chronic myelogenous leukaemia.