Presentation
Back pain
Patient Data
Age: 20 years
Gender: Male
From the case:
Intranuclear cleft
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Normal appearance of the upper lumbar spine.
From the case:
Intranuclear cleft
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Orange lines highlight the intranuclear cleft in these normal discs.
Case Discussion
These discs show a linear T2 hypointense signal through the center of the nucleus pulposus, which a normal variation. The signal represents "intranuclear" fibrous tissue and should not be confused with age-related dessication that results in loss of T2 signal.