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Primary fallopian canal glomus tumors.
L J Bartels1, J Pennington, D B Kamerer
1Department of Surgery, University of South Florida College of Medicine, James Haley Veterans Administration Hospital, Tampa.
Summary
Primary fallopian canal glomus tumors are rare, often presenting with facial nerve issues. These tumors typically extend to the middle ear and mastoid, requiring facial nerve grafting for surgical removal.
Area of Science:
- Neuroscience
- Oncology
- Otolaryngology
Background:
- Glomus body tissue presence in the fallopian canal is known.
- Primary fallopian canal glomus tumors are exceedingly rare, with only one prior report.
- Facial nerve involvement is a common characteristic of glomus tumors.
Observation:
- This study reports two cases of primary fallopian canal glomus tumors.
- A notable feature was the extratemporal extension to the pes anserinus.
- Tumors involved the middle ear and mastoid, following the facial nerve.
Findings:
- Unlike some glomus jugulare tumors, these primary fallopian canal tumors did not involve the jugular fossa or glossopharyngeal nerve branches.
- Extension along the facial nerve extratemporally was a consistent finding.
- Facial nerve grafting was uniformly necessary for tumor removal in these cases.
Implications:
- These findings help characterize primary fallopian canal glomus tumors.
- Understanding extratemporal extension is crucial for surgical planning.
- The consistent need for facial nerve grafting highlights the aggressive nature of these tumors.