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chemodectoma

   Also found in: Encyclopedia, Wikipedia 0.04 sec.
chemodectoma /che·mo·dec·to·ma/ (-dek-to´mah) any benign, chromaffin-negative tumor of the chemoreceptor system, e.g., a carotid body tumor or glomus jugulare tumor.
che·mo·dec·to·ma (km-dk-tm)
n.
A relatively rare, usually benign tumor originating in chemoreceptor tissue. Also called aortic-body tumor, carotid-body tumor, glomus jugulare tumor, nonchromaffin paraganglioma.

chemodectoma
nonchromaffin paraganglionoma: any tumor of the chemoreceptor system, e.g. a carotid body tumor, aortic body tumor. Brachycephalic breeds of dogs are predisposed, possibly due to genetic factors and chronic hypoxia.


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Several different factors can cause the tympanic membrane to assume a blue color, including a true hemotympanum, an idiopathic hemotympanum secondary to a cholesterol granuloma, long-standing secretory otitis media, a dehiscent high-riding jugular bulb, and occasionally a chemodectoma.
Denecke was a pioneer in the field of tumor surgery of the lateral skull base, especially in the difficult surgery of extended chemodectomas of the petrous pyramid and the jugular glomus.
 
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