
A series of 209 patients with chemodectomas and malignant neoplasms of the external auditory canal and middle ear seen during a 20-year period at the Mayo Clinic was reviewed. Ninety-nine patients had chemodectomas, and 110 had malignant lesions; 57 of the 110 patients with malignancies had squamous cell carcinoma. The study revealed that patients with chemodectomas had a normal expected length of survival, whereas patients with malignant lesions (especially those with squamous cell carcinomas and embryonal rhabdomyosarcomas) did poorly.
Adult, Male, Paraganglioma, Extra-Adrenal, Adolescent, Age Factors, Infant, Deafness, Middle Aged, Prognosis, Carcinoma, Adenoid Cystic, Sex Factors, Carcinoma, Basal Cell, Child, Preschool, Carcinoma, Squamous Cell, Humans, Female, Neoplasm Metastasis, Child, Ear Neoplasms, Aged
Adult, Male, Paraganglioma, Extra-Adrenal, Adolescent, Age Factors, Infant, Deafness, Middle Aged, Prognosis, Carcinoma, Adenoid Cystic, Sex Factors, Carcinoma, Basal Cell, Child, Preschool, Carcinoma, Squamous Cell, Humans, Female, Neoplasm Metastasis, Child, Ear Neoplasms, Aged
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