Solitary paraganglioma of the hypoglossal nerve: A case report with magnetic resonance imaging findings (original) (raw)
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Hypoglossal Nerve Paraganglioma Depicting as Glomus Tumor of Neck
Iranian Journal of Otorhinolaryngology, 2021
Introduction: Paraganglioma are infrequent neuroendocrine tumors that are most commonly found in the carotid body, ganglia of the vagus, jugular and tympanic nerve. Very rarely they can involve other cranial nerves outside the cranial cavity, we present one such case of hypoglossal nerve paraganglioma in neck. Case Report: A 48 years old male presented with 1-month history of right sided stroke and aphasia. Ultrasonography of neck revealed a highly vascular mass on the right side of the neck. CT angiogram confirmed a highly vascular mass arising above the carotid bifurcation. With the working diagnosis of Glomus tumor, he underwent right sided neck exploration, however, intra-operatively tumor was found to be arising from the hypoglossal nerve instead. Surgery was abandoned on basis of the available literature, with only 6 reported cases in the past 54 years. Patient had no immediate post op complications and was sent for cyber knife treatment. After completion of 5 cycles of cyber ...
Paraganglioma of the hypoglossal nerve
Journal of Vascular Surgery, 2009
After the incidental intraoperative discovery of a paraganglioma of cranial nerve XII, we searched our hospital database and literature for similar cases to determine whether evidence exists to support the existence of paraganglioma of the hypoglossal nerve. We describe a case of cranial nerve XII paraganglioma, recognized only during surgery, without any indicative preoperative sign or symptom nor diagnostic imaging studies. In light of published findings, only four cases described since 1966, and our experience, the report discusses diagnostic criteria that could aid in establishing a diagnosis of hypoglossal nerve paraganglioma based on a reasonable degree of medical certainty.
Paraganglioma of superior laryngeal nerve mimicking as carotid body tumor: A rare case report
IP Innovative Publication Pvt Ltd, 2019
A paraganglioma is rare neuroendocrine neoplasms arise from chromaffin cells that may develop at various body sites (including the head, neck, thorax and abdomen). About 97% are benign and remaining 3% are malignant because they are able to produce distant metastases. Vagal paragangliomas represent <5% of all head and neck paragangliomas, and till date only 200 cases have been reported.1 We present a case of paraganglioma of superior laryngeal nerve, because of rarity of the disease and after careful search no case report as tumor arising from the superior laryngeal nerve is found in the literature. Patient underwent pre-opeative investigations like CT Angio, MRI, DOTA-NOC Scan and tumor markers, intra-operatively it had seen that tumor was arising from superior laryngeal branch of vagus nerve. Patient recovered well after surgery and developed post operative neurological complications like voice changes and aspiration to liquids. These complications were managed conservatively. Absence of neurological symptoms, local invasion, indolent histological features and absence of lymph node metastasis confirm the frequent benign behaviour of these neoplasms. Keywords: Paraganglioma, Superior laryngeal nerve, Vagus paraganglioma, Carotid body tumor, Head and neck tumours.
Management of head and neck paragangliomas: a series of 9 cases and review of the literature
Ear, nose, & throat journal, 2012
We conducted a retrospective study of the long-term functional results of surgery for head and neck paragangliomas. Our study population was made up of 9 patients--4 men and 5 women, aged 22 to 59 years (mean: 46.6; median: 51)--who had undergone surgical excision of a head and neck paraganglioma from January 2002 through December 2006 in the ENT Department at Pugliese-Ciaccio Hospital in Catanzaro, Italy. Of the 9 paragangliomas, 4 were carotid body tumors, 2 were glomus tympanicum tumors, and 3 were glomus vagale tumors. None of the cases was bilateral or hereditary. Complete tumor resection was achieved in 8 patients; in the remaining patient, a small amount of intradural residual vagus nerve paraganglioma had to be left in situ. The internal carotid artery was preserved in all 4 resections of carotid body tumors. There was only 1 case of postoperative lower cranial nerve deficits, which occurred in a patient with a carotid body tumor. Follow-up ranged from 12 to 53 months (mean:...
Paraganglioma neck - a neuroendocrine tumour revisited
International Journal of Angiology, 2008
Paragangliomas are uncommon neck swellings, usually associated with hypertension and flushing. They occur in the neck and other amine precursor uptake and decarboxylation cell rests, and are a challenge to the anesthetist at the time of excision.
Paragangliomas of the head and neck: imaging assessment
Ear, nose, & throat journal, 2014
Paragangliomas are uncommon tumors that arise from the parasympathetic neuroectodermal ganglionic cells and have been described in numerous anatomic locations, most commonly in the abdomen. Head and neck paragangliomas are classified into carotid body (most common), vagal, and jugulotympanic types. Computed tomography is the initial imaging modality of choice for the preoperative assessment of the extent of paragangliomas. Magnetic resonance imaging and selective angiography provide more detail of the surrounding tissues and vasculature. Surgical resection is the treatment of choice.
Multiple paragangliomas involving carotid body and vagal region: A sporadic case
Otorhinolaryngology-Head and Neck Surgery
Paragangliomas are rare neuroendocrine tumors also known to occur in head and neck regions and generally involve the carotid body or vagal region. Till date, only a single study has reported the occurrence of paragangliomas involving both carotid body and vagal region. The present study, to our best knowledge, is the second study in the world which reported the multiple paragangliomas involving the carotid body and vagal region. The patient in the present case study was a 45 years old male with a single swelling in the left upper part of the neck. In the pre-operative clinical examination, the swelling was identified as carotid body tumor, and the patient was then planned for surgery. The intra-operative findings revealed that it involved both the vagal and carotid body and was subsequently operated successfully. Postoperatively the swelling was described as bilateral carotid paragangliomas with left vagal paraganglioma.
Case Reports in Endocrinology
Introduction. Pheochromocytomas (Pheo) and paragangliomas (PGL) are rare neuroendocrine tumors arising from chromaffin cells of the adrenal medulla and from the extra-adrenal autonomic paraganglia, respectively. Only 1–3% of head and neck PGL (HNPGL) show elevated catecholamines, and at least 30% of Pheo and PGL (PCPG) are associated with genetic syndromes caused by germline mutations in tumor suppressor genes and proto-oncogenes. Clinical Case. A 33-year-old man with a past medical history of resection of an abdominal PGL at the age of eleven underwent a CT scan after a mild traumatic brain injury revealing an incidental brain tumor. The diagnosis of a functioning PGL was made, and further testing was undertaken with a PET-CT with 68Ga-DOTATATE, SPECT-CT 131-MIBG, and genetic testing. Discussion and Conclusion. The usual clinical presentation of functioning PCPG includes paroxistic hypertension, headache, and diaphoresis, sometimes with a suggestive family history in 30–40% of case...
Multiple paragangliomas involving carotid body and vagal region
Formosan Journal of Surgery, 2019
Paragangliomas are rare neuroendocrine tumors also known to occur in the head-and-neck regions and generally involve the carotid body or vagal region. Till date, only a single study has reported the occurrence of paragangliomas involving both the carotid body and vagal region. The present study, to the best of our knowledge, is the second study in the world which reported the multiple paragangliomas involving the carotid body and vagal region. The patient in the present case study was a 45-year-old male with a single swelling in the left upper part of the neck. In the preoperative clinical examination, the swelling was identified as carotid body tumor, and the patient was then planned for surgery. The intra-operative findings revealed that it involved both the vagal and carotid body and was subsequently operated successfully. Postoperatively, the swelling was described as bilateral carotid paragangliomas with left vagal paraganglioma.