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MRI in T1 (left) and T2 (right) showing the vertebral column and spinal cord of the patient prior to injection. Signs of arthrosis can be seen. No hints for larger vascular malformations can be observed.
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A magnetic resonance imaging (MRI) of the lumbar vertebral column shows signal amplification especially in facet joints of the segments L5/S1 and insinuates arthrosis (Figure 1).
Initial MRI after inpatient admission 2 months after facet joint injection. A large hematoma has developed.
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MRI showed an epidural hematoma in the area of the facet joints of the segments L3/L4 (Figure 2).
Follow-up MRI after 5 days of conservative treatment. A reduction in size of the hematoma and an improvement of neurological symptoms were apparent.
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At the fifth day of hospitalization, an additional MRI of the low back was undertaken (Figure 3).