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Kim, Choi, Chung, Lee, Shin, and Hwang: A Tenosynovial Giant Cell Tumor Arising from Posterior Cruciate Ligament of Knee Joint: A Case Report
Case Report

J Korean Bone Joint Tumor Soc 2014;20(2):85-88.

Published online: 10 January 2014

DOI: https://doi.org/10.5292/jkbjts.2014.20.2.85

A Tenosynovial Giant Cell Tumor Arising from Posterior Cruciate Ligament of Knee Joint: A Case Report

Hong Kyun Kim, Chang Hyun Choi, Kook Jin Chung, Young Min Lee, Mi Kyung Shin*, Ji Hyo Hwang

*Pathology, Kangnam Sacred Heart Hospital, College of Medicine, Hallym University, Seoul, Korea

Departments of Orthopedics, Kangnam Sacred Heart Hospital, College of Medicine, Hallym University, Seoul, Korea

Correspondence to: Ji Hyo Hwang Department of Orthopedic Surgery, Kangnam Sacred Heart Hospital, Hallym University College of Medicine, 948-1, Daerim-1 dong, Yeongdeungpo-gu, Seoul 150-950, Korea TEL: +82-2-829-5165 FAX: +82-2-834-1728 E-mail: hwangjihyo7309@gmail.com

Received 17 September 2014       Revised 24 November 2014       Accepted 26 November 2014

Copyright © 2014 The Korean Bone and Joint Tumor Society

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Localized forms of giant cell tumor are known to arise commonly in the synovial membrane of the finger joints. Multinucleated giant cells are its characteristic pathology finding, giant cell tumor shows a low rate of recurrence after complete excision. When occurring at the knee joints, giant cell tumor manifests a wide form of symptoms, from no symptom at all, to intermittent locking. Complete excision is possible by arthroscopy, but if done incompletely, it is reported to recur in 45% of cases. We present here a case of giant cell tumor that has arisen from the anterior portion of the posterior cruciate ligament, excised by arthroscopy and followed by pathologic confirmation.

Keywords: giant cell tumor (GCT), posterior cruciate ligament (PCL), knee joint

References

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Figure 1.
(A) On proton density coronal image, a 9×6 mm sized mass (white arrow) with well circumscribed intermediate signal intensity was seen lateral side of knee joint. (B) On T2 sagittal image, a 9×6 mm sized mass (white arrow) with well circumscribed intermediate signal intensity was seen just anterior margin of PCL.
jkbjts-20-85f1.tif
Figure 2.
The mass was visible at the anterolateral area of the PCL by arthroscope.
jkbjts-20-85f2.tif
Figure 3.
(A) Well defined mass with capsule shows closely packed cells (H&E, ×10). (B) Relatively closely packed medium sized polyhedral cells with giant cells is shown (H&E, ×100).
jkbjts-20-85f3.tif
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