Which of the following is true concerning Langerhans cell histiocytosis of the spine?
ANS–E Patients with Langerhans cell histiocytosis may develop spinal involvement. Cervical spine involvement is common. Anterior elements are involved in 95% of patients. The most common symptom in patients is dull low back pain. Neurological defects are uncommon. Symmetric vs. asymmetric collapse is not a prognostic factor for long-term deformity. Short-term bracing is effective. Approximately 10% of patients may need spinal deformity correction.