Transoral Endoscopic Ultrasound-Guided Fine-Needle Biopsy of Parapharyngeal Space Tumors: Evaluation of Feasibility, Diagnostic Yield, and Safety (With Video)
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Tumors of the parapharyngeal space (PPS) are difficult to biopsy because of their deep location and proximity to major neurovascular structures. Existing percutaneous, transoral, and transnasal approaches have limitations and variable success. This study evalu... ...
