Abstract
Tumors originating in the parapharyngeal space are rare. During the period of January 1977 to July 1989, 51 patients underwent surgery for parapharyngeal space tumors at the University of Pittsburgh's Eye and Ear Hospital. Eighty percent of the parapharyngeal space neoplasms were benign; 20% were malignant. Fifty-seven percent (31/54) were of neurogenic origin, 30% (16/54) were of salivary origin, and 13% (7/54) were of miscellaneous origin. The use of computed tomography scan and magnetic resonance imaging, and selective use of angiography, allowed us to ascertain the location, size, vascularity, and relation of parapharyngeal space tumors to surrounding anatomical structures. Imaging techniques established the site of origin of these tumors with 96% accuracy. This information was essential in planning surgical approaches and predicting prognoses. Details of the surgery, morbidity, and outcome of these patients are presented.
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