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Published on: January 17, 2018
Head and neck paragangliomas: Report of 175 patients (1989-2010)
Konstantinos Papaspyrou1, Torsten Mewes, Heidi Rossmann
1Department of Otorhinolaryngology-Head and Neck Surgery, University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany. konstantinos.papaspyrou@unimedizin-mainz.de
Background:
Attention of the otorhinolaryngologist needs to be drawn to the versatile aspects of head and neck paragangliomas (PGLs).
Methods:
This study is a retrospective, nonrandomized clinical study of all 175 individuals with PGLs treated in our department between 1989 and 2010. A genetic analysis was performed on 86 patients.
Results:
The 175 patients presented 224 head and neck PGLs as well as 2 thyroid papillary carcinomas. Genetic analysis resulted in 1 patient positive for a von Hippel-Lindau (VHL) gene mutation and 34 for succinate dehydrogenase (SDH) gene mutations (22 SDHD, 7 SDHC, and 5 SDHB), 12 of the latter carrying a novel mutation. Thirty-three patients (18.9%) had multiple PGLs and 11 patients (6.3%) had a malignant paraganglioma. SDH-mutation carriers had multiple tumors in 64.7% and malignant paragangliomas in 20.6%.
Conclusions:
Multifocal occurrence, potential malignancy, genetic aspects, possible coincidence of thyroid carcinoma, and hormone production have to be considered in patients with head and neck PGLs.