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Subependymal nodular heterotopia
Heather Borders, MD
over 7 years ago
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Calcific Discitis

Case Detail

Anatomy: Brain-Spine
Junewick
Joseph Junewick, MD FACR
Diagnostic Category: Infectious-Inflammatory
Created: over 7 years ago
Updated: over 7 years ago
Tags: PEDS
Modality/Study Types: CT MR
Activities:
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History

Child with persistent neck pain 1 week after minor injury.


Case Images


Diagnosis

Calcific Discitis

Findings

CT – Calcified anterior disc protrusion at C4-C5.

MR – Widened anterior disc with abnormal signal; posterior disc is normal.

Discussion

Idiopathic disc calcification is distinct from hyperparathyroidism, hemochromatosis, ochronosis, chondrocalcinosis, alkaptonuria, and hypervitaminosis.

Calcific discitis has an abrupt onset. Preceding trauma is seen in 30%, fever in 23%, and upper respiratory tract infection in 15%. Calcific discitis involves the nucleus pulposis, not the annulus fibrosus or ring apophysis. Clinical resolution is rapid but imaging resolution is slow, taking months or even years to normalize.

Disc calcification is most common in the thoracic spine. Thoracic disc calcifications tend to be more symptomatic (e.g., pain, decreased range of motion) than cervical disc calcifications. Cervical calcifications tend to occur at a single level whereas thoracic calcification are more often multilevel.

Reference

Dai LY, Ye H, Qian QR. The natural history of cervical disc calcification in children. JBJS (2004); 86:1467-1472.



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