Knee pain Zahra badorestani

History Rt. Knee anterior pain No significant trauma Recurrent episodes of falling Recurrent effusion Unable to extend knee actively

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Exam No coronal & sagital deformity Mild swelling & effusion

Thigh-foot angle 50 ext. rot.

Exam Full passive ROM Stable knee Patella grind (+) Severe patella in-facing Patella apprehension (–) Severe lat. Facet tenderness Q angle 30 degree

Exam Hips rotation in extension - internal 80 - external 20

Trochlear dysplasia type A

Knee CT scan Lateral patellar tilt angle

Ante-version Rt. 39 degree Lt. 11degree

Tibia rotation CT scan

Tibial external rotation 46 degree

CT Scan TT-TG 22 mm

Diagnosis ? Miserable mal-rotation syndrome Probable (objective)patella dislocation

Plan ?

Perpendicular to mechanical tibia axis

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Thank you for attention