Abstract
Study design
Descriptive, retrospective. Scientific level of evidence IV.
Objectives
The aim of this study was to evaluate a consecutive case series of 50 pediatric patients with LCH of the spine.
Summary of background data
Langerhans cell histiocytosis (LCH) is a rare disease characterized by abnormal proliferation of Langerhans cells in different organs. Incidence in children range from 2 to 10 cases per million. In the current literature, few series evaluate LCH in the pediatric spine.
Material and methods
A consecutive case series of 50 pediatric patients with LCH of the spine treated at our hospital between 1984 and 2016, with a follow-up of at least 2 years, was analyzed. Sex, age, clinical and radiographic presentation, number of lesions, treatment, complications, and outcome were assessed.
Results
Fifty patients, 26 boys and 24 girls, were evaluated. Mean age was 5 years and 2 months (6 months to 13 years and 3 months). 27 patients had a single spinal lesion while 23 had 2 or more lesions. A total of 100 vertebrae were involved. The thoracic spine was the most affected. The most frequent lesion location was in the vertebral body in 88% of the cases. The symptoms were pain (87%), reduced range of motion, deformity, and neurologic deficit. Biopsy was performed in 48 patients. Thirty-nine patients received medical treatment, 28 used orthoses and six required surgery. Six patients (12%) recurred at a mean of 3 years and 5 months (range 2–12 years). In all cases, neurological symptoms, torticollis, and deformities resolved after medical or surgical treatment.
Conclusions
Because of the variable presentation of the disease, ranging from a solitary isolated vertebral lesion to polyostotic and multisystemic involvement, a multidisciplinary team is required to have an adequate management of these patients and to obtain good results.
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Design of study: CAM, RGR, CAT, MAN. Consulting references: RGR, LP, IAFW, EG, EB. Participation in draft manuscript: CAM, RGR, CAT, LP. Revise manuscript: IAFW, CAT, RGR, EG, EB. Approved the final version of the paper: CAM, LP, RGR, CAT, IAFW, EG, EB, MAN.
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The authors declare that they have no competing interests. No conflicts of interest or funding received during the conduct of this study.
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The study was approved by the hospital Institutional Review Board (IRB), because of the retrospective observational nature of the study IRB waived the informed consent.
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Moyano, C.A., Remondino, R.G., Tello, C.A. et al. Histiocytosis in the pediatric spine: a clinical and radiographic analysis of 50 patients. Spine Deform 9, 823–831 (2021). https://doi.org/10.1007/s43390-020-00261-8
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DOI: https://doi.org/10.1007/s43390-020-00261-8