J Korean Soc Radiol.  2016 Oct;75(4):322-326. 10.3348/jksr.2016.75.4.322.

Tenosynovial Giant Cell Tumor of the Pes Anserine Bursa with Bone Marrow Extension into the Tibia: A Case Report

Affiliations
  • 1Department of Radiology, St. Vincent's Hospital, College of Medicine, The Catholic University of Korea, Suwon, Korea. jeeykim@catholic.ac.kr
  • 2Department of Orthopedic Surgery, St. Vincent's Hospital, College of Medicine, The Catholic University of Korea, Suwon, Korea.
  • 3Department of Hospital Pathology, St. Vincent's Hospital, College of Medicine, The Catholic University of Korea, Suwon, Korea.

Abstract

Extra-articular diffuse-type tenosynovial giant cell tumor (TSGCT), especially arising from the pes anserine bursa, is a rare lesion. Only one case of extra-articular diffuse-type TSGCT of the pes anserine bursa that showed bone erosion as an imaging finding has been reported. Here, we report our experience of an exceptional case of extra-articular diffuse-type TSGCT of the pes anserine bursa with intramedullary extension into the tibia on magnetic resonance imaging, which resembled a benign soft tissue mass on radiography, along with a review of the literature.


MeSH Terms

Anserine*
Bone Marrow*
Bursa, Synovial
Giant Cell Tumors*
Giant Cells*
Magnetic Resonance Imaging
Radiography
Tibia*
Anserine
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