Torsional Deformity Masquerading as Knee Instability
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By
February 13, 2026
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3 min
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1
A 15-year-old presented with chronic knee pain and gait dysfunction.
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2
Initial imaging revealed no structural abnormalities.
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3
Three-dimensional gait analysis identified torsional deformities.
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4
Patient underwent combined osteotomies due to persistent symptoms.
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5
2-year follow-up showed resolution of pain and improved gait mechanics.
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6
Study highlights the need for awareness of lower extremity torsional abnormalities in similar cases.
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A 15-year-old girl presented with chronic anterior knee pain and gait dysfunction for two years, despite normal imaging results. Symptoms included a right-sided pain, varus-hyperextension gait, and clunking sounds. Conservative treatments failed, leading to advanced imaging, revealing significant lower extremity torsional abnormalities. The patient underwent surgical correction via femoral and tibial osteotomies, resulting in pain resolution and improved gait mechanics over two years. This case highlights the underrecognized issue of lower extremity torsional abnormalities as a cause of knee pain in adolescents with normal imaging.
-
1
A 15-year-old presented with chronic knee pain and gait dysfunction.
-
2
Initial imaging revealed no structural abnormalities.
-
3
Three-dimensional gait analysis identified torsional deformities.
-
4
Patient underwent combined osteotomies due to persistent symptoms.
-
5
2-year follow-up showed resolution of pain and improved gait mechanics.
-
6
Study highlights the need for awareness of lower extremity torsional abnormalities in similar cases.
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