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15 Cards in this Set

  • Front
  • Back
Glomus tympanicum is a p_____.
Paraganglioma
Where do glomus tymanicum occur?
Cochlear promontory
Glomus tympanicum arise from the plexus formed by the nerves of ____ and ______.
Jacobsen, Arnold
What is the nerve of Jacobsen?
Tympanic branch of 9th cranial nerve
What is the nerve of Arnold?
Auricular ramus of 10th cranial nerve
What is the most common tumor of the middle ear in adults?
Glomus tympanicum.
What age and gender do glomus tympanicum occur in?
>30 and women
What are the most common 3 symptoms?
Tinnitus, hearing loss, and facial nerve palsy
The blood supply to a glomus tympanicum is via ?
External carotid artery branches
Glomus tympanicum presents as a retrotympanic ____ ____.
Red mass
What percent of glomus tympanicum are multicentric?
2 %
Ddx of retrotympanic mass:
1.
2.Persistent stapedial artery
3.Dehiscient jugular bulb
4.Cholesterol granuloma
5.Hemangioma
Aberrant ICA
Ddx of retrotympanic mass:
1. Aberrant ICA
2.
3.Dehiscient jugular bulb
4.Cholesterol granuloma
5.Hemangioma
Persistent stapedial artery
Ddx of retrotympanic mass:
1. Aberrant ICA
2.Persistent stapedial artery
3.
4.Cholesterol granuloma
5.Hemangioma
Dehiscient jugular bulb
Ddx of retrotympanic mass:
1. Aberrant ICA
2.Persistent stapedial artery
3.Dehiscient jugular bulb
4.
Cholesterol granuloma