Minimally Invasive Surgery for Resection of Parapharyngeal Space Tumors

Journal of Neurological Surgery. Part B, Skull Base
Irit DuekZiv Gil

Abstract

Background  Surgical removal of parapharyngeal space tumors (PPST) poses challenges due to the complex anatomy of the region. PPSTs are routinely resected by a transcervical approach using blind finger dissection. Large PPSTs or those located high at the skull base, often require transmandibular or infratemporal fossa approaches, associated with considerable morbidity. Objective  Here, we describe an approach for PPST removal that comprises transcervical endoscopic, with or without transoral robotic technique. Materials and Methods  We retrospectively studied the demographic, clinical, surgical, and outcome data of 11 consecutive patients who underwent PPST excision between June 2013 and July 2017 at our center. Patients either underwent a transcervical endoscopic procedure ( n  = 4), a transoral robotic procedure ( n  = 2) or a combination of the two procedures ( n  = 5). Results  Complete tumor excision was achieved in all cases, with no intra-, peri-, or postoperative complications. Final histopathologic findings demonstrated pleomorphic adenoma for seven patients, cavernous hemangioma for one patient, and malignant tumors for three patients. The average tumor size was 44.22 ± 31.9 cm 3 (range: 7.5-111 cm 3 ). At follow-up (...Continue Reading

Citations

Nov 10, 2018·AJNR. American Journal of Neuroradiology·C M TomblinsonJ M Hoxworth
Jun 20, 2020·Ear, Nose, & Throat Journal·Atsunobu TsunodaKatsuhisa Ikeda
Nov 16, 2019·Current Oncology Reports·Madeleine P Strohl, Ivan H El-Sayed

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