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Intranodal neurilemmoma presenting as parotid mass
D G Grant1, N Breitenfeldt, N A Shepherd
1Department of Otolaryngology and Head and Neck Surgery, Gloucestershire Royal Hospital, Gloucester, UK.
The Journal of Laryngology and Otology
|October 23, 2008
Summary
A rare benign intranodal neurilemmoma, a nerve sheath tumor within a lymph node, was identified in a parotid gland. This case supports recognizing intranodal neurilemmoma as a distinct histological entity.
Area of Science:
- Oncology
- Pathology
- Head and Neck Surgery
Background:
- Intranodal neurilemmomas are rare tumors arising from nerve sheaths within lymph nodes.
- These tumors are often benign and can occur in various locations, though they are exceptionally uncommon in the parotid gland.
Observation:
- A 67-year-old woman presented with a parotid gland mass.
- Surgical excision revealed a tumor within a lymph node in the superficial lobe of the parotid gland.
- Histopathological analysis confirmed the tumor as an intranodal neurilemmoma.
Findings:
- This case represents the first documented instance of an intranodal neurilemmoma occurring within a parotid lymph node.
- The tumor exhibited characteristic histological features of a neurilemmoma.
- The findings support the classification of intranodal neurilemmoma as a unique histological entity.
Implications:
- Recognition of intranodal neurilemmoma as a distinct entity aids in accurate diagnosis and management.
- This case expands the known anatomical locations for intranodal neurilemmomas.
- Further research may elucidate the specific pathogenesis and clinical behavior of these rare tumors.
