An Unusual Cause of Popliteal Cyst

Valerio Sansone, Corrado Sosio, Marco Da Gama Malchér, Alessandro De Ponti

Research output: Contribution to journalArticlepeer-review


We describe a surgical treatment for popliteal cyst in a 41-year-old woman affected by diffuse pigmented villonodular synovitis (PVNS) of the knee with extra-articular spreading. The treatment consists of an arthroscopic synoviectomy followed immediately by an open removal of the cyst. At 28-month follow-up, the patient is asymptomatic and no evidence of recurrence of PVNS has been seen. We believe that this double surgical approach may reduce the probability of recurrence of PVNS.


  • Arthroscopy
  • Knee
  • Pigmented villonodular synovitis
  • Popliteal cyst

ASJC Scopus subject areas

  • Orthopedics and Sports Medicine
  • Surgery


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