Giant cell tumor of the tendon sheath: A rare case in the left knee of a 15-year-old boy

  • Authors:
    • Chengtao Sun
    • Wei Sheng
    • Huiming Yu
    • Junqing Han
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  • Published online on: January 4, 2012     https://doi.org/10.3892/ol.2012.555
  • Pages: 718-720
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Abstract

Localized forms of giant cell tumors are defined as giant cell tumors of the tendon sheath (GCTTS). GCTTS arises from the synovium of a joint, bursa or tendon sheath, and 85% of the tumors occur in the fingers. GCTTS in the knee is extremely rare. We report an unusual case of a 15-year-old boy who presented with an occult growing swelling and a 2-month history of infra-patellar pain in the left knee. Magnetic resonance imaging (MRI) demonstrated a well-circumscribed soft tissue mass in the infra-patellar fat pad posterior to the patella tendon. Excision biopsy was performed by surgical removal. Histopathological examination revealed that it was GCTTS. During the follow-up period, his recovery was propitious and there was no recurrence. Owing to its few and non-specific symptoms, and local recurrence varying from 9 to 44%, its proper, early diagnosis and appropriate treatment is necessary. The purpose for which we report the case is to emphasize the possibility of GCTTS where there is a mass with non-specific symptoms such as infra-patellar pain of the knee, and to avoid misdiagnosis where possible.
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March 2012
Volume 3 Issue 3

Print ISSN: 1792-1074
Online ISSN:1792-1082

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Spandidos Publications style
Sun C, Sheng W, Yu H and Han J: Giant cell tumor of the tendon sheath: A rare case in the left knee of a 15-year-old boy. Oncol Lett 3: 718-720, 2012
APA
Sun, C., Sheng, W., Yu, H., & Han, J. (2012). Giant cell tumor of the tendon sheath: A rare case in the left knee of a 15-year-old boy. Oncology Letters, 3, 718-720. https://doi.org/10.3892/ol.2012.555
MLA
Sun, C., Sheng, W., Yu, H., Han, J."Giant cell tumor of the tendon sheath: A rare case in the left knee of a 15-year-old boy". Oncology Letters 3.3 (2012): 718-720.
Chicago
Sun, C., Sheng, W., Yu, H., Han, J."Giant cell tumor of the tendon sheath: A rare case in the left knee of a 15-year-old boy". Oncology Letters 3, no. 3 (2012): 718-720. https://doi.org/10.3892/ol.2012.555