PMC2759592_01
Anteroposterior X-ray of right (a) asymptomatic medial malleolus shows an accessory center. (b) Anteroposterior X-ray of left symptomatic (b) side shows soft tissue shadow and fragmentation of the accessory center
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The accessory ossification center on the right side showed uniform density with smooth margins and on the left side was fragmented [Figure 1].
T2 WI MRI scan (coronal image) of the right ankle shows homogenous intensity of the accessory center
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T1and T2 weighted coronal images showed homogenous signal intensity on the right side [Figure 2].
T2 WI MRI scan (coronal image) of the left side shows multifoci of hypointensity and fragmentation of the accessory center
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In addition the left medial malleolus apophysis appeared fragmented in both T1 and T2 weighted sequences [Figure 3].