STUDY DESIGN: A patient with a herniated intradural disc at L2-L3 and an extradural herniated disc at L5-S1 had homogeneous enhancement of the intradural disc on magnetic resonance imaging. BACKGROUND DATA: The only prior report of intradural disc enhancement with contrast on magnetic resonance imaging showed nonhomogeneous peripheral or ring enhancement. RESULTS: Magnetic resonance and computed tomography images and myelogram films are presented, with an operative photograph. CONCLUSIONS: Enhancement likely depends on the age of the intradural disc herniation.
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Whittaker et al. (1994) studied this question.
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