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Glomus tympanicum chemodectoma: unusual radiological findings
A Alshaikhly1, A M Hamid, B Azadeh
1Department of Otolaryngology, Hamad General Hospital, Doha, Qatar.
The Journal of Laryngology and Otology
|July 1, 1994
Summary
A rare middle ear paraganglioma presented as an unusual mass causing significant ear canal destruction. This case highlights the importance of considering paraganglioma in the differential diagnosis of ear masses.
Area of Science:
- Otolaryngology
- Neurosurgery
- Pathology
Background:
- Middle ear paragangliomas are rare tumors.
- They can present with various symptoms including hearing loss and otorrhea.
Observation:
- A 64-year-old female presented with a year of right ear discharge and hearing loss.
- A reddish-white mass was observed projecting through the tympanic membrane into the ear canal.
Findings:
- Histopathology confirmed the mass as a paraganglioma.
- CT imaging revealed extensive destruction of the temporal bone, mastoid, ear canal, and ossicles.
- The extensive destruction simulated a malignant tumor, which is atypical for a middle ear paraganglioma.
Implications:
- This case underscores the importance of including paraganglioma in the differential diagnosis of middle ear masses, even with extensive bony destruction.
- Radiological findings can mimic malignancy, necessitating thorough histopathological examination.
- Further research into the aggressive potential of middle ear paragangliomas is warranted.