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Related Experiment Videos

[Periosteal desmoid].

J Koudelová1, K Koudela, B Kreuzberg

  • 1Radiodiagnostická klinika LF UK a FN, Plzen-Lochotín. koudelova@fnplzen.cz

Acta Chirurgiae Orthopaedicae Et Traumatologiae Cechoslovaca
|June 21, 2002
PubMed
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This study details a rare benign tumor-like lesion in active children and adolescents caused by repetitive micro-trauma. Early diagnosis via imaging is crucial to differentiate it from more serious knee joint conditions.

Area of Science:

  • Pediatric Orthopedics
  • Sports Medicine
  • Radiology

Background:

  • A rare benign tumor-like lesion affects children and adolescents (8-20 years) with high physical activity levels.
  • It arises from repeated micro-trauma at the origin of the adductor magnus distal fibers and gastrocnemius medial head aponeurosis.

Observation:

  • The lesion occurs in the knee joint region, a common site for pediatric sarcoma and osteomyelitis.
  • Clinical presentation requires careful attention due to potential misdiagnosis with malignant conditions.

Findings:

  • Diagnosis can be achieved through classic radiography (especially with external rotation), computed tomography (CT), and magnetic resonance imaging (MRI).
  • CT scans are considered the most valuable diagnostic tool.
  • Radiographic changes are observed at the distal medial crest of the linea aspera, tuberculum adductorium, and the posteromedial aspect of the medial femoral epicondyle.

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Implications:

  • Accurate diagnosis of this benign lesion prevents unnecessary aggressive treatment for potentially malignant conditions.
  • Understanding the characteristic radiographic findings aids in early and correct identification.
  • Highlights the importance of considering repetitive micro-trauma in the differential diagnosis of pediatric knee masses.