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Case #16

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Demographics: 11 years old, Female
Indication: Bilateral knee pain

Case #16

Findings

  • No acute fracture or malalignment
  • No joint effusion in either knee
  • Cortically-based lucent lesion with a thin sclerotic rim in the medial aspect of the distal femoral metadiaphysis measuring 3.6 x 1.2 cm
  • Osteochondroma arising from the medial aspect of the distal femoral metaphysis measuring 3.7 x 1.3 cm

Diagnosis

Nonossifying fibroma (NOF)

Osteochondroma

Sample Report

No acute fracture or malalignment.

No joint effusion in either knee.

Cortically-based lucent lesion with a thin sclerotic rim in the medial aspect of the distal femoral metadiaphysis measuring 3.6 x 1.2 cm, consistent with a nonossifying fibroma.

Osteochondroma arising from the medial aspect of the distal femoral metaphysis measuring 3.7 x 1.3 cm.

Discussion

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References

  • De Mattos CBR, Binitie O, Dormans JP. Pathological fractures in children. Bone & Joint Research 2012; 1(10): 272-280.
  • Murphey MD, Choi JJ, Kransdorf MJ, Flemming DJ, Gannon FH. Imaging of osteochondroma: variants and complications with radiologic-pathologic correlation. Radiographics 2000; 20: 1407-1434.

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