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Postoperative MRI of lumbar spine : complicated cases leading reoperation 2012

General Spine

Jihae, Lee, MD
Kyung Eun, Bae, MD, Non ASSR Member
Woo Ho, Cho, MD, Non ASSR Member
Hanbee, Lee, MD, Non ASSR Member
Mijin, Kang, MD, Non ASSR Member

Poster

Purpose

To define clinically significant postoperative changes To review MRIs of postoperative infectious conditions and recurrent disk herniations leading to reoperation To discriminate device failure upon artifacts

Methods & Materials

Postoperative fluid collection Signal change or space-occupying lesion in epidural space Space-occupying lesion in diskectomy site Bone marrow signal change Signs of device failure Summary

Conclusion

The major teaching points of this exhibit are : 1. To identify infectious fluid collection in operation site 2. To differentiate signal change or space-occupying lesion in epidural space between peridural fibrosis and infection 3. To determine abnormal signal intensity in diskectomy site as recurrent disk herniation 4. To define failure of devices upon artifacts

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