Pigmented vagal paraganglioma

Paragangliomas are uncommon and those arising from the vagal trunk are rarer. Pigmented extra-adrenal paragangliomas are still rarer and reported sites of occurrence are the uterus, spine, retroperitoneum, bladder, mediastinum and orbit. The presence of abundant pigment in a cervical paraganglion ha...

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Bibliographic Details
Published in:Journal of laryngology and otology 2003-07, Vol.117 (7), p.584-587
Main Authors: Reddy, C. Ekambar E., Panda, Naresh K., Vaiphei, Kim, Powari, Manish
Format: Article
Language:English
Subjects:
(RF) Otorhinolaryngology
Biological and medical sciences
Diseases
Humans
Male
Medical sciences
Microscopy, Electron
Middle Aged
Neurology
Paraganglioma
Paraganglioma - pathology
Paraganglioma - ultrastructure
Peripheral Nervous System Neoplasms - pathology
Peripheral Nervous System Neoplasms - ultrastructure
Pigmentation
Tumors of the nervous system. Phacomatoses
Vagus Nerve
Vagus Nerve - pathology
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Summary:Paragangliomas are uncommon and those arising from the vagal trunk are rarer. Pigmented extra-adrenal paragangliomas are still rarer and reported sites of occurrence are the uterus, spine, retroperitoneum, bladder, mediastinum and orbit. The presence of abundant pigment in a cervical paraganglion has not been reported previously. We report one such unusual case of pigmented vagal paraganglioma that arose from the vagal trunk below the nodose ganglion, had massive central necrosis and showed hypovascularity on angiography. The unusual features and difficulties in the diagnosis of such cases are discussed.
ISSN:0022-2151
1748-5460
DOI:10.1258/002221503322113102