Question:

Concerning juvenile intervertebral disc calcification imaging characteristics, which of the following statements are false?
1. Disc calcification show T1 and T2 hypointensity.
2. Disc herniations may be associated with disc calcification.
3. Disc calcifications typically are stable and remain so into the adult years.
4. Disc calcifications usually spontaneous regress, although some remaining calcification may remain for years.
5. Multiple disc levels may be involved.





Answer:

The correct answer for the question "Concerning juvenile intervertebral disc calcification imaging characteristics, which of the following statements are false?" is:

3. Disc calcifications typically are stable and remain so into the adult years.



Explanation
A. Typical of dense calcification, T1 and T2 hypointensity is seen in the discs that calcify. [On MRI, the intervertebral discs have been described to be hypointense on T1 and T2, compatible with dense calcification.]

B. Herniation is seen on our case and others in the literature. [Characteristic imaging findings include calcification of the nucleus pulposus, with or without associated disc herniation.]

C. Disc calcifications usually spontaneously regress. [Imaging findings tend to mirror the clinical course with complete or near-complete resolution over several months.]

D. Some juvenile disc calcifications may not completely regress after years of followup imaging. [However, residual calcification of the intervertebral discs can persist for years.]

E. Single or multiple disc levels have been reported. [Single-level or multilevel disc calcification has been reported.]



From the manuscript:
Children Presenting with Calcified Disc Herniation: A Self-Limiting Process.
Radiology Case. 2012 Oct; 6(10):11-19


This article belongs to the Pediatric section.




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From the manuscript

Children Presenting with Calcified Disc Herniation: A Self-Limiting Process.

Free full text article: Children Presenting with Calcified Disc Herniation: A Self-Limiting Process.

Abstract
We present two cases of disc herniation associated with juvenile intervertebral disc calcification, a rare, self-limiting process which typically resolves with conservative treatment. Recognition of this entity prevents unnecessary diagnostic workup and possible surgical intervention. A review of the literature for this rare entity is discussed.






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