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Pigmented Villonodular Synovitis Mimiking the Bone Tumor of the Fossa Olecrani of Elbow in a 8-year-old Boy - A Case Report -

8세 남아에서 골종양을 닮은 주관절 색소 융모 결절성 활액막염 - 증례 보고 -

  • Kim, Sung-Soo (Dept of Orthopedic Surgery and Traumatology, Cheju Halla General Hospital) ;
  • Lee, Sang-Yup (Dept of Orthopedic Surgery and Traumatology, Cheju Halla General Hospital) ;
  • Yoon, Min Geun (Dept of Orthopedic Surgery and Traumatology, Cheju Halla General Hospital) ;
  • Seo, Young Hoon (Dept of Orthopedic Surgery and Traumatology, Cheju Halla General Hospital) ;
  • Moon, Myung-Sang (Dept of Orthopedic Surgery and Traumatology, Cheju Halla General Hospital)
  • 김성수 (제주 한라병원 정형외과) ;
  • 이상엽 (제주 한라병원 정형외과) ;
  • 윤민근 (제주 한라병원 정형외과) ;
  • 서영훈 (제주 한라병원 정형외과) ;
  • 문명상 (제주 한라병원 정형외과)
  • Received : 2012.05.21
  • Accepted : 2012.11.29
  • Published : 2012.12.31

Abstract

Pigmented villonodular synovitis (PVNS) is a rare benign proliferative disorder that results in villous hyperplasia and nodule formation in the synovium, tendon sheath and bursa. That most commonly affects the knee and the hip joint in adult. PVNS of the hand, the wrist, the shoulder and the elbow is rare and that of the elbow in children is particularly rarer. An eight-year-old boy had his left elbow pain and a lesion like benign bone tumor in the left fossa olecrani on plain x-ray. During the operation, abnormal synovial hyperplasia in his left elbow joint led us to diagnose PVNS. Therefore, open curettage of the lesion and radical synovectomy was performed. The specimen of the synovectomized tissue revealed PVNS. The left elbow pain subsided after the operation and the child restored a full range of motion of his left elbow. We reported this rare case of PVNS in a child's elbow joint mimicking the bone tumor together with a review of the literature.

색소 융모 결절성 활액막염(Pigmented villonodular synovitis)은 활액막, 건막 및 점액낭 등에 융모 증식과 결절을 형성하는 드문 양성 활액막 증식성 질환으로 대부분 성인의 슬관절과 고관절에 발생한다. 수부, 완관절, 견관절 및 주관절에는 드물게 발생하며, 특히 소아에서의 주관절 색소 융모 결절성 활액막염은 아주 드물다. 좌측 주관절 통증이 있는 8세 남아의 단순 주관절 방사선 검사상 좌측 주두와에 양성 골종양과 같은 병변이 관찰되었다. 수술시 좌측 주관절의 활액막 이상 증식 소견이 관찰되어 임상적으로 색소 융모 결절성 활액막염을 의심하였으며, 병변의 개방 소파술 및 좌측 주관절의 근치적 활액막 절제술을 시행하였다. 절제 조직의 조직학적 검사 결과 색소 융모 결절성 활액막염으로 확진 되었다. 술 후 좌측 주관절의 통증이 호전되었으며, 정상 운동범위를 회복하였다. 저자들은 소아의 주관절에 발생한 골종양을 닮은 색소 융모 결절성 활액막염 1예를 보고함과 동시에 문헌 고찰을 하였다.

Keywords

References

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