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  • Title: Insulinoma as a cause of seizure-like activity and spontaneous hypoglycaemia.
    Author: Fayyaz F, Reardon MF, Byrne L.
    Journal: BMJ Case Rep; 2023 Jan 10; 16(1):. PubMed ID: 36627134.
    Abstract:
    A woman in her 60s presented to our hospital with recurrent episodes of confusion and double vision with spontaneous recovery to baseline within 10 min. Her initial workup was unremarkable, and she was diagnosed with complex partial seizures and commenced on levetiracetam. The following week, she re-presented with a recurrence of her symptoms, associated with spontaneous hypoglycaemia, with blood glucose levels of 1.9 mmol/L. She was found to have endogenously elevated serum insulin and C peptide levels, which were concomitantly associated with hypoglycaemia. An initial diagnosis of insulinoma was made and she was commenced on diazoxide. MRI and endoscopic ultrasound revealed 16 mm insulinoma in her uncinate process. She underwent surgical resection and remained symptom free at follow-up. This case highlights the importance of blood glucose measurements in patients presenting with neuroglycopenic symptoms and outlines the workup and management of insulinoma.
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