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  • Title: Prolonged misdiagnosis of mitochondrial encephalomyopathy, lactic acidosis, and stroke-like episodes syndrome: A case report.
    Author: Wang Y, Zhang W, Jiang X.
    Journal: Medicine (Baltimore); 2023 Nov 24; 102(47):e36008. PubMed ID: 38013338.
    Abstract:
    RATIONALE: Mitochondrial encephalomyopathy, lactic acidosis, and stroke-like episodes (MELAS) syndrome is a subset of rare mitochondrial diseases characterized by diverse clinical manifestations, which often complicates its diagnosis. PATIENT CONCERNS: This report chronicles the experiences of a 14-year-old female patient who underwent multiple misdiagnoses before the eventual identification of MELAS syndrome. Her journey began with symptoms that included growth retardation, hypertrophic cardiomyopathy, and epilepsy. DIAGNOSIS: The definitive diagnosis of MELAS syndrome was established through genetic confirmation, revealing a mutation in the MT-TL1 gene (m.3242A > G). INTERVENTIONS: Upon diagnosis, the patient received targeted symptomatic treatment, which led to pronounced improvements in her symptoms. OUTCOMES: The patient's condition stabilized with the administered treatments, and she exhibited significant symptom relief, emphasizing the importance of accurate diagnosis and timely intervention. LESSONS: This case underscores the imperative for heightened clinical vigilance and thorough differential diagnosis in the face of complex clinical presentations, such as those seen in MELAS syndrome, to ensure timely and appropriate interventions.
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