Brit J Hosp Med
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Neoplasm of the spinal column in children is rare, but can involve either benign or malignant tumours. Early detection of malignant tumours is key to successful clinical outcome and long-term prognosis. ⋯ Therefore, it is important for GPs and trainees who encounter paediatric patients to be aware of the clinical entity to be able to thoroughly assess them in clinical practice. This article discusses the types of paediatric spinal neoplasms, anatomical-based classification, clinical red flags, imaging modalities and outlines brief management options.
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The numbers of clinical trials have increased exponentially over the last decade, amplifying the pressure to select an appropriate study design to obtain reliable and valid evidence. The ability to find, critically appraise and use evidence to develop new interventions is fundamental to evidence-based medicine. Different study designs have their own advantages and disadvantages, and provide different evidentiary value. This article provides an overview of clinical trials, illustrating that, ultimately, the study design chosen needs to meet experimental and funding limitations, while minimising error.