Pigmented Villonodular Synovitis Arising from Calcaneocuboid Joint in an Army Staff: A Case Report

Document Type : CASE REPORT

Authors

1 Department of Orthopedic Surgery, Shohada Tajrish Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran- Physiotherapy Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran

2 Department of Orthopedic Surgery, Shohada Tajrish Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran

Abstract

Pigmented villonodular synovitis (PVNS) is a locally destructive benign lesion usually affecting the synovial tissue of
weight-bearing joints. Herein we reported a 20-year-old male patient who was an army staff with a foot lesion which was
painful in army boots. In the beginning, the lesion was considered a ganglion cyst. Further investigations revealed cortical
erosion of cuboid bone on the radiograph. Pigmented villonodular synovitis was considered as a probable diagnosis
after observation of low signal lesion around the calcaneocuboid joint on both T1 and T2 images of Magnetic Resonance
Imaging. The treatment included excision of the lesion and synovectomy of the calcaneocuboid joint. The diagnosis was
confirmed with histological studies. At more than one year follow-up, the patient was completely asymptomatic, and there
was no evidence of recurrence. This study aimed to raise the awareness of clinicians about the diagnosis of this rare soft
tissue neoplasm which might be misdiagnosed as a ganglion or synovial cysts in the hindfoot zone.
Level of evidence: V

Keywords

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The Archives of Bone and Joint Surgery
Volume 9, Issue 3
May 2021
Pages 355-360

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History

  • Receive Date: 21 April 2020
  • Revise Date: 25 September 2020
  • Accept Date: 04 October 2020

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