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Background: Spinal surgery is largely reimbursed in a differentiated manner via the DRG system. For treatments of complex paediatric deformities with increased pre and postoperative effort due to special treatment approaches, it seems that the costs for the treatment are not fully covered., Materials and Methods: All paediatric cases with surgical treatment of the spine that were treated in a single spine centre from 2018-2020 were considered. The subgroup of patients with inpatient halo-gravity traction (halo group) before surgery was compared with all other cases treated in terms of economic and demographic factors., Results: There were 86 cases that were treated surgically without halo traction and 6 cases with halo traction. The groups did not differ significantly in age (p = 0.41) or Patient Clinical Complexity Level (PCCL, p = 0.76). The average length of hospital stay in the halo group was significantly longer than in the other cases (84.2 ± 40.1 d vs. 11.0 ± 6.4 d; p = 0.001). Due to DRG grouping and long-stay surcharges, the mean revenue per case was significantly higher in the halo group than in the other cases (€ 63,615 ± 45,138 vs. € 16,836 ± 9356) (p = 0.003). The contribution margin for the period of the long-term surcharges varied between 11,394 and 9766 €. The high additional costs due to the necessary medical devices of halo traction were not sufficiently reflected in the reimbursement., Conclusion: Paediatric spine surgery can be challenging in special cases. In particular, severe deformities of the spine may require additional procedures. The subgroup of patients requiring preoperative halo traction is not adequately compensated by the DRG system., (© 2021. Springer Medizin Verlag GmbH, ein Teil von Springer Nature.)

Background: With a prevalence of up to 60%, spinal deformity represents the most common skeletal manifestation of neurofibromatosis type 1. The deformity can occur as a non-dystrophic or as a less common dystrophic type. This distinction is of great relevance because the therapeutic strategy is completely different in each case., Non-Dystrophic Type: The non-dystrophic type can be treated like idiopathic scoliosis due to the comparable behavior of both entities. However, care must be taken regarding the so-called modulation. Modulation describes the formation of dysplasias of the spine. This will result in a progression behavior as known from the dystrophic type., Dystrophic Type: For the dystrophic type, different spinal dysplastic changes are typical. These lead to a rapid progression of deformity and a lack of response to conservative treatment. If untreated, severe and grotesque deformities can arise. This type of deformity requires early surgical intervention, even in childhood. The knowledge about the peculiarities of this disease in general, as well as the typical changes of the spine are prerequisites to managing these often-challenging situations., (© 2021. Springer Medizin Verlag GmbH, ein Teil von Springer Nature.)

Background: Spondylosclerosis hemispherica is a rare syndrome of the spine and was described first by Dihlmann. The typical radiographic appearance is a hemispherical sclerosis of the vertebral body, which is accompanied by pain in the affected region. Usually it appears at the lower lumbar spine. The etiology varies and includes degenerative disk diseases, scoliosis, bacterial infections, ankylosing spondylitis, osteoid osteoma, and malignant diseases.The radiological findings of 2 patients with spondylosclerosis hemispherica are presented and the current literature discussed., Material and Methods: Two women (33 and 60 years old) with spondylosclerosis hemispherica of the lower spine suffered from low back pain and fulfilled all criteria of Dihlmann's description. Malignant disease was excluded in both cases with a broad diagnostic workup (lab values, x-ray, CT scan, MRI) and in one case a biopsy from the affected vertebra was taken., Results: In both cases all radiological findings demonstrated the typical changes of spondylosclerosis hemispherica with sclerosis of the vertebra body and erosions at the upper and inferior end plates. Malignant disease was excluded in one case with a biopsy and in the other case with noninvasive diagnostic procedures. Both patients were treated nonsurgically. During clinical follow-up, the patients were in a good condition with decreasing regional low back pain and no ongoing radiological changes in the affected vertebral bodies., Conclusion: Spondylosclerosis hemispherica is a syndrome with a typical radiographic appearance. The etiology of spondylosclerosis hemispherica is manifold; however, malignancy must be excluded. In most cases, noninvasive diagnostics are sufficient to rule out malignant growth even in cases with concomitant degenerative changes of the affected segment. Thus, there is no need for a biopsy except in cases with ambiguous results. Subsequently, close clinical and radiological follow-up of the patients with spondylosclerosis hemispherica is necessary.