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  • Title: [Paraganglioma of the neck. Analysis of 32 operated cases].
    Author: Ghilardi G, Bortolani EM, Pizzocari P, Vandone PL, De Monti M.
    Journal: Minerva Chir; 1991 Oct 31; 46(20):1109-17. PubMed ID: 1766558.
    Abstract:
    Between january 1965 and november 1990, 32 operations for neck paraganglioma were performed: 29 chemodectomas (carotid body tumors) and 3 paragangliomas of the vagus nerve. Seven subjects were affected with bilateral chemodectomas and one of them showed concurrent unilateral vagal paraganglioma. Two paragangliomas were malignant, with invasion of the latero-cervical lymphnodes revealed at operation. Four individuals came to observation from two different families, suggesting familiarity. Preoperative diagnosis was correctly made in 12 of 18 asymptomatic chemodectomas (66.6%), ten of whom observed during the last decade: angiography is the gold standard for diagnosis but CT scan, ultrasound and NMR imaging are going to earn the confidence of physicians for precise evaluation of latero-cervical masses. Surgery is to date the treatment of choice, and the results are dependent on the size of the tumor and the involvement of the neighbouring vascular, nervous and visceral structures. According to the majority of the literature, the 29 chemodectomas were classified in the three groups of Shamblin: I: 4 cases; II: 10; III: 15. Twenty out of the 24 transient or permanent postoperative complications took place in the third group: in five instances some procedures of internal carotid artery reconstruction were needed. Fourteen complications for chemodectomas and 2 for vagal paragangliomas affected the cranial nerves; three transient and one permanent ischemic central neurological deficits occurred in the group III chemodectomas. Not any operative mortality was registered in this series.
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