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[Pathological changes of the pyramidal eminence in chronic suppurative otitis media]
1Clinique d'O.R.L. et de chirurgie maxillo-faciale du Centre Clinique Universitaire, Belgrade, Yougoslavie.
Abstract:
Temporal bones of patients with chronic suppurative otitis media were used for evaluation of possibility of penetration of the infection from the cavum tympani into the facial nerve via the pyramidal eminence. The infection can spread to the facial nerve in two ways: via the natural opening on the pyramidal eminence through which tendon of the musculus stapedius is passing, without bone lesions of the eminence and via the sites of bone destruction on the eminence.
Insights
Chronic suppurative otitis media can spread infection to the facial nerve through the pyramidal eminence. This occurs either via a natural opening or through bone destruction on the eminence.
Area of Science:
- Otolaryngology
- Neuroscience
- Pathology
Context:
- Chronic suppurative otitis media (CSOM) is a common condition.
- The facial nerve is vulnerable to infections spreading from the middle ear.
- The pyramidal eminence serves as a potential pathway for infection.
Purpose:
- To investigate the pathways of infection spread from the tympanic cavity to the facial nerve via the pyramidal eminence in patients with CSOM.
Summary:
- Infection from the tympanic cavity can reach the facial nerve through the pyramidal eminence.
- Two routes of spread were identified: via the natural opening for the stapedius muscle tendon and through areas of bone destruction on the eminence.
Impact:
- Understanding these pathways is crucial for preventing facial nerve complications in CSOM patients.
- This research can inform surgical approaches and treatment strategies for CSOM.