✦ LIBER ✦

Parapharyngeal space neoplasms

✍ Scribed by Kenneth V. Hughes III; Dr. Kerry D. Olsen; Thomas V. McCaffrey

Publisher: John Wiley and Sons
Year: 1995
Tongue: English
Weight: 628 KB
Volume: 17
Category: Article
ISSN: 1043-3074
DOI: 10.1002/hed.2880170209

No coin nor oath required. For personal study only.

✦ Synopsis

Background. Primary parapharyngeal space neoplasms are rare. Tumor distribution characteristics and long-term outcome have been quite variable in the recent literature. We report the results of a retrospective review of 172 patients with primary parapharyngeal space neoplasms treated surgically from 1960 to 1990 at a large multispecialty clinic and teaching hospital.

Methods. Initially, 195 patients seen at our institution were found t o have parapharyngeal space neoplasms. Twenty-three patients previously treated elsewhere were excluded. The remaining 172 patients (96 female and 76 male) were from 11.7 months to 91.5 years of age. All patients were treated surgically; the transparotid-cervical approach was most widely used.

Results. One hundred thirty-seven tumors (800/,) were benign and 35 (20%) were malignant. High-resolution computed tomography or magnetic resonance imaging was essential in the diagnosis and presurgical planning. Fineneedle aspiration specimens were accurate in the diagnosis of 8 of 9 cases. Pleomorphic adenoma was the most common neoplasm (40%), followed by paraganglioma (20%), neurogenic tumor (14%), malignant salivary gland tumor (13%), miscellaneous malignant tumors (7%), and miscellaneous benign tumors (So/,). Mandibulotomy was required for only 6% of all tumors; its use was reserved for malignant lesions and large skull base tumors when risk of tumor rupture was From the

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