• Kai Chen, Xin Chen, and Yuxi Su.
• Department of Orthopedics, Chongqing Key Laboratory of Pediatrics, Ministry of Education Key Laboratory of Child Development and Disorders, National Clinical Research Center for Child Health and Disorders, China International Science and Technology Cooperation Base of Child Development and Critical Disorders, Children's Hospital of Chongqing Medical University, Yuzhong District, Zhongshan 2road 136#, Chongqing, 400014, People's Republic of China.
• Eur Spine J. 2022 Dec 1; 31 (12): 332433293324-3329.

PurposePaediatric intervertebral disc calcification (PIDC) is a rare disease, and its aetiology remains unknown. This study aimed to analyse the characteristics and clinical outcomes of patients with PIDC.MethodsAfter applying the exclusion and inclusion criteria, 159 children diagnosed with PIDC were analysed at our hospital between January 2010 and November 2020. Patients' demographic and clinical data were collected, such as sex, pain, duration time, physical examination, white blood cell count, erythrocyte sedimentation rate, C-reactive protein, and radiography, computed tomography, and magnetic resonance imaging findings. Patients were followed up for at least 6 months, and radiography or symptoms were evaluated. Fisher's exact test or χ2-test was used for statistical analyses.ResultsOne hundred and fifty-nine patients were ultimately followed up with for about 12.5 ± 5.8 months. There were 103 male and 56 female, with an average age of 6.08 ± 2.62 years (2 months to 12 years). A total of 109 patients had only one PIDC, 29 patients had two PIDCs, and 21 patients had multiple PIDCs. Thirty patients were found incidentally and were asymptomatic. A total of 106 patients had neck torticollis. Sixteen patients had IDC herniations, fifteen patients had posterior longitudinal ligament calcification, two patients had anterior longitudinal ligament calcification, and 17 patients had herniation of the vertebral canal. All patients underwent conservative treatment, and none underwent surgery. All patients' symptoms resolved after either collar fixation or neck traction.ConclusionPIDC can be treated conservatively, even when accompanied by herniation, longitudinal ligament calcification, or clinical neck symptoms.Level Of EvidenceIV.© 2022. The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature.

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