Skeletal Radiology

, Volume 18, Issue 5, pp 365–371 | Cite as

Primary tumors of the patella

A review of 42 cases
  • Mark J. Kransdorf
  • Richard P. MoserJr.
  • Tuyethoa N. Vinh
  • Jun Aoki
  • John J. Callaghan
Articles

Abstract

This study reports 42 cases of histologically proven and radiographically correlated primary patellar tumors. Despite diverse histologic diagnoses, the radiographic appearances of benign as opposed to malignant patellar neoplasms are essentially indistinguishable. Although the literature suggests that giant cell tumor is the most frequent benign tumor of the patella, the most common benign neoplasm in this series is chondroblastoma (16 cases). Only four primary malignant lesions were encountered, three cases of lymphoma and one case of hemangioendothelioma. Since 38 (90%) of the 42 cases were benign, a benign etiology should be strongly favored, notwithstanding the radiographic appearance, whenever a primary patellar tumor is encountered.

Key words

Bone tumors Patella Patellar tumors Skeletal neoplasms 

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Copyright information

© International Skeletal Society 1989

Authors and Affiliations

  • Mark J. Kransdorf
    • 1
    • 6
  • Richard P. MoserJr.
    • 2
    • 6
  • Tuyethoa N. Vinh
    • 3
  • Jun Aoki
    • 2
  • John J. Callaghan
    • 4
    • 5
  1. 1.Department of RadiologyWalter Reed Army Medical CenterWashington, D.C.
  2. 2.Department of Radiologic PathologyArmed Forces Institute of PathologyWashington, D.C.
  3. 3.Department Orthopedic PathologyArmed Forces Institute of PathologyWashington, D.C.
  4. 4.Department of Orthopedic SurgeryDuke UniversityDurham
  5. 5.the Department of Orthopedic SurgeryWalter Reed Army Medical CenterWashington, D.C.USA
  6. 6.Department of Radiology and Nuclear MedicineUniformed Services University of the Health SciencesBethesda

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