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Granular cell tumor in a child's finger
M F Price1, C E Paletta, K M Woodberry
1Division of Plastic and Reconstructive Surgery, St. Louis University Hospital, MO 63110-0250, USA.
Annals of Plastic Surgery
|April 27, 2000
Summary
Granular cell tumors are rare, often painless growths typically found in the mouth or skin. However, when occurring in the hand, these Schwann cell-derived tumors are frequently painful, a key diagnostic characteristic.
Area of Science:
- Oncology
- Pathology
- Neurosurgery
Background:
- Granular cell tumors (GCTs) are uncommon neoplasms of uncertain etiology.
- Historically, GCTs are associated with Schwann cells and peripheral nerve origins.
- GCTs commonly present as painless lesions in the oral cavity and skin.
Observation:
- This study focuses on the presentation of granular cell tumors specifically within the hand and fingers.
- The typical painless presentation of GCTs is contrasted with their occurrence in the upper extremity.
- Clinical observation highlights a distinct symptomatic pattern in digital GCTs.
Findings:
- Granular cell tumors in the hand and fingers exhibit a high propensity for pain.
- This painful presentation is a notable deviation from the typical GCT manifestation.
- The association with peripheral nerves may contribute to the symptomatic nature in the hand.
Implications:
- Recognizing the painful nature of hand GCTs is crucial for accurate diagnosis.
- This characteristic can aid in differentiating GCTs from other digital masses.
- Further research into the pathobiology of GCTs in the hand may reveal specific therapeutic targets.

