Resolution of Chronic Aspiration Pneumonitis following Endos
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Spontaneous cerebrospinal fluid (CSF) rhinorrhea due to a skull base defect requires prompt diagnosis and treatment. Multiple surgical options are available for repairing the fistula, including the two-layer “fascial apposition” method and use of a pedicled nasal-septal flap. A 44-year-old obese woman presented with 4 months of progressive cough, exertional dyspnea, hoarseness, and intermittent fluid drainage from the right nostril. Chest computed tomography (CT) imaging and bronchoscopy showed chronic pneumonitis, which was confirmed by pulmonary wedge resection. CT and magnetic resonance imaging of the skull base, as well as laboratory analysis of the nasal fluid for ?2-transferrin, confirmed a skull base defect causing CSF rhinorrhea. During surgery, insertion of a lumbar drain with the intrathecal fluorescein administration was performed, followed by endoscopic endonasal repair using an autologous fascial apposition graft and pedicled nasal-septal flap. Both the CSF leak and the pulmonary complications resolved following the operation with no symptoms at 11-month follow-up. This is the first reported case of spontaneous CSF rhinorrhea complicated by chronic aspiration and pneumonitis. Increased diagnostic complexity due to chronic pulmonary complications resulted in unnecessary interventions and treatment delays.

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