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Granular Cell Tumors on Unusual Anatomic Locations
1Department of Dermatology, Severance Hospital, Yonsei University College of Medicine, Seoul, Korea.
Yonsei Medical Journal
|October 9, 2015
Summary
Granular cell tumors (GCTs), rare soft tissue growths originating from Schwann cells, can occur outside the mouth. Complete surgical removal is key for treating these tumors and preventing recurrence.
Area of Science:
- Oncology
- Pathology
- Dermatology
Background:
- Granular cell tumors (GCTs) are uncommon neoplasms of soft tissue.
- They are widely accepted to originate from Schwann cells.
Observation:
- GCTs most frequently occur in the tongue and oral cavity (30-50% of cases).
- However, these tumors can manifest in virtually any anatomical location, including visceral organs.
- This report details five GCT cases presenting in unusual extratumoral sites: palm, arm, thigh, finger, and vulva.
Findings:
- The presented cases highlight the occurrence of GCTs in extratumoral locations, challenging the traditional view of their common oral origin.
- Histopathological confirmation is crucial for accurate diagnosis.
Implications:
- GCTs in non-oral sites may be more common than previously thought.
- Awareness of GCTs in unusual locations is important for clinicians.
- Complete surgical excision remains the primary treatment modality to ensure favorable outcomes and prevent tumor recurrence.
