BMJ case reports
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Case Reports
Intermittent swelling in the chest; a case of spontaneous intermittent lung herniation.
Herniation of the lung is uncommon and occurs due to protrusion of the lung beyond the confines of the thoracic cavity through an abnormal opening in the chest wall. Any condition associated with raised intrathoracic pressure or that which weakens the thoracic wall may result in lung herniation. We present a case of spontaneous lung herniation which was managed successfully by minimally invasive thoracic surgery.
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West Nile virus (WNV) is still the most common cause of neuroinvasive arboviral disease in the USA with a case death of 10-30%. We are reporting a case of a 61-year-old woman with a history of Crohn's disease, fibromyalgia treated with chronic steroid therapy that presented with a day history of fever, confusion and lethargy. ⋯ A high index of suspicion is needed to diagnose WNND, and this should be suspected in elderly immunocompromised patient presenting with altered mental status and lumbar puncture suggestive of aseptic meningitis. Recent study has showed that there is genetic variation in the interferon response pathway which is associated with both risk for symptomatic WNV infection and disease progression.
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We present a female patient in her late 30s, with baseline vegetative state following prior traumatic brain injury, who presented with prolonged right hemispheric status epilepticus. The neuroimaging revealed a striking right-sided pancortical oedema with left (crossed) cerebellar diaschisis and dilation of right hemispheric arteries. ⋯ The patient showed clinical and electrographic improvement following treatment with antiepileptic drugs. Unilateral cerebral oedema is a rare presentation of focal status epilepticus, and should be considered as a differential diagnosis in the appropriate clinical scenario.
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Case Reports
Computational fluid dynamics simulation of an anterior communicating artery ruptured during angiography.
We present a computational fluid dynamics (CFD) analysis of the hemodynamic environment of an anterior communicating artery that spontaneously ruptured immediately following three-dimensional rotational angiography. Subsequent digital subtraction angiography allowed for the localization of the point of rupture within the aneurysm dome. CFD analysis demonstrated a concentrated jet that impinged directly at the site of rupture. Peak systolic pressure and wall shear stress were both maximal near the rupture location.
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A 30-year-old man with a 10-year history of neurofibromatosis type 2 (NF-2) and minimal hearing in his left ear, presented with rapidly progressive disease and risk of total hearing loss. He was started on imatinib and achieved stable disease for 4 months, after which the drug was ceased due to toxicity. He was then treated with bevacizumab for 8 months with a best response of stable disease.