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Tenosynovial giant cell tumor: a case report.
Sonam Ansel1, Xiangfei Yan2, Peter Chong3
1Beatson West of Scotland Cancer Centre, Glasgow Royal Infirmary, Glasgow, Scotland. sonam.ansel@doctors.org.uk.
Journal of Medical Case Reports
|October 5, 2023
Summary
This case highlights the diagnostic challenges of tenosynovial giant cell tumor (TGCT) and leiomyosarcoma. Patient symptoms temporarily worsened with G-CSF, suggesting TGCT pathogenesis and aiding diagnosis.
Area of Science:
- Oncology
- Pathology
- Radiology
Background:
- Synchronous diagnosis of rare leiomyosarcoma and tenosynovial giant cell tumor (TGCT) of the knee.
- Highlights diagnostic challenges of TGCT, including cognitive biases.
- Demonstrates TGCT's pathogenic etiology via transient symptom exacerbation with granulocyte colony-stimulating factor (G-CSF).

