Knee Surgery, Sports Traumatology, Arthroscopy

, Volume 14, Issue 2, pp 161–164 | Cite as

Osteoid osteoma of the patella: a case report

  • Panagiotis G. Vallianatos
  • Anastasia C. TilentzoglouEmail author
  • Savvas V. Seitaridis
  • Helen J. Mahera


Though osteoid osteoma is a common primary benign lesion of the bones, intra-articular involvement is rare and poses diagnostic difficulties when it affects middle-aged patients. We present the case of a 51-year-old woman with a 2.5 year history of anterior knee pain that was misdiagnosed as osteochondritis dissecans. Radiological findings were absent, whereas MRI showed a well-circumscribed lesion. A local excisional biopsy was performed and microscopic appearance confirmed diagnosis.


Osteoid osteoma Patella 


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Copyright information

© Springer-Verlag 2005

Authors and Affiliations

  • Panagiotis G. Vallianatos
    • 1
  • Anastasia C. Tilentzoglou
    • 1
    • 2
    Email author
  • Savvas V. Seitaridis
    • 1
  • Helen J. Mahera
    • 3
  1. 1.Sports Injuries DepartmentKAT HospitalAthensGreece
  2. 2.Nea Ionia, AthensGreece
  3. 3.Department of PathologyKAT HospitalAthensGreece

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