Findings
1-The Achilles tendon is the largest tendon in the body. It is formed from the conjoined tendons of the gastrocnemius and soleus muscles. It inserts on the posterior calcaneus.
2-The Achilles tendon contributes to plantar flexion of the foot.
3-Tears occur at the vulnerable zone of avascularity, 2-6 centimeters above the calcaneal insertion.
4-This patient’s plain film shows edema in the Kagers fat pad suggesting Achilles tendon pathology. Kager's fat pad normally presents as a lucent triangle above the superior calcaneus. The region shows abnormal soft tissue density in this patient.
5-The T2 weighted Sagittal MRI shows discontinuity of the Achilles tendon with fluid at the myotendinous junction.
http://eradiology.bidmc.harvard.edu/Classics/item.aspx?section=Emergency+Radiology&labelpk=33f0adab-853f-4010-a0e2-0756b3f1eac5&pk=37363e43-d4af-4d51-b254-632023ada1e6
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