Journal
CASE REPORTS IN ONCOLOGY
Volume 10, Issue 3, Pages 1085-1091Publisher
KARGER
DOI: 10.1159/000485242
Keywords
Mutation; p53 mutations; PIK3CA mutations; PTEN mutations; IDH1 mutations; Prostate cancer; Lactic acidosis; Warburg effect; Metabolic reprogramming; Case report
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Lactic acidosis is a commonly observed clinical condition that is associated with a poor prognosis, especially in malignancies. We describe a case of an 81-year-old patient who presented with symptoms of tachypnea and general discomfort. Arterial blood gas analysis showed a high anion gap acidosis with a lactate level of 9.5 mmol/L with respiratory compensation. CT scanning showed no signs of pulmonary embolism or other causes of impaired tissue oxygenation. Despite treatment with sodium bicarbonate, the patient developed an adrenalin-resistant cardiac arrest, most likely caused by the acidosis. Autopsy revealed Gleason score 5 + 5 metastatic prostate cancer as the most probable cause of the lactic acidosis. Next-generation sequencing indicated a nonsense mutation in the TP53 gene (887delA) and an activating mutation in the PIK3CA gene (1634A>G) as candidate molecular drivers. This case demonstrates the prevalence and clinical relevance of metabolic reprogramming, frequently referred to as the Warburg effect, in patients with prostate cancer. (c) 2017 The Author(s) Published by S. Karger AG, Basel
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