Gigantic Popliteal Synovial Cyst Caused by Wear Particles after Total Knee Arthroplasty

Yasuo Niki, Hideo Matsumoto, Toshiro Otani, Fumihiro Yoshimine, Wataru Inokuchi, Hikaru Morisue

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

We present a case exhibiting persistent joint effusion and formation of a gigantic popliteal synovial cyst 8 years after total knee joint arthroplasty. Assessment using flow cytometry revealed that both joint and cyst fluid contained abundant macrophage-phagocytosing wear particles. This finding indicates that wear particles participated in formation of the cyst through the communication between the joint cavity and cyst. Intraoperatively, prominent villous synovial proliferation was observed in both the joint and cyst, and delamination failure of the polyethylene insert was identified. Because no evidence of prosthetic loosening was found, only polyethylene insert revision and synovectomy were undertaken, resulting in a successful outcome. This case suggests that synovial cyst formation in popliteal lesions might represent a sign of wear-particle generation after total knee joint arthroplasty.

Original languageEnglish
Pages (from-to)1071-1075
Number of pages5
JournalJournal of Arthroplasty
Volume18
Issue number8
DOIs
Publication statusPublished - 2003 Dec

Fingerprint

Popliteal Cyst
Synovial Cyst
Knee Replacement Arthroplasties
Joints
Cysts
Polyethylene
Knee Joint
Cyst Fluid
Phagocytosis
Flow Cytometry
Macrophages

Keywords

  • Joint effusion
  • Particle-induced synovitis
  • Synovial cyst
  • Total knee arthroplasty
  • Wear particles

ASJC Scopus subject areas

  • Orthopedics and Sports Medicine
  • Surgery

Cite this

Gigantic Popliteal Synovial Cyst Caused by Wear Particles after Total Knee Arthroplasty. / Niki, Yasuo; Matsumoto, Hideo; Otani, Toshiro; Yoshimine, Fumihiro; Inokuchi, Wataru; Morisue, Hikaru.

In: Journal of Arthroplasty, Vol. 18, No. 8, 12.2003, p. 1071-1075.

Research output: Contribution to journalArticle

Niki, Yasuo ; Matsumoto, Hideo ; Otani, Toshiro ; Yoshimine, Fumihiro ; Inokuchi, Wataru ; Morisue, Hikaru. / Gigantic Popliteal Synovial Cyst Caused by Wear Particles after Total Knee Arthroplasty. In: Journal of Arthroplasty. 2003 ; Vol. 18, No. 8. pp. 1071-1075.
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