![]() Central vertebral canal stenosis is a common cause of neurogenic claudication and has a variable pattern, while vascular claudication it is more consistent and reproducible. It is often described as impaired mobility and dull aching pain in the lower limbs. This can occur due to the direct compressive effects of an intervertebral disc herniation on a nerve root or an underlying inflammatory process, such as infection causing acute pain in the distribution of a dermatome.Ĭlaudication is traditionally divided into two categories: neurogenic or vasogenic, depending on the underlying cause. ![]() Sciatica, on the other hand, has a different pattern of pain in terms of distribution and is caused by irritation of a nerve root. The pain is mainly localised in the back as the term suggests, and tends to arise from locally affected structures. Lumbar back pain can result from several conditions ranging from facet joint arthropathy to muscular strain. While magnetic resonance imaging (MRI) is sensitive in detecting spinal pathology, often it discovers a multitude of conditions that may not have any significant clinical impact. It is useful to differentiate the three most common symptoms – lumbar back pain, sciatica and claudication – as they can assist in determining the source of the patient's symptoms. Patients with spinal pathology often present with a range of symptoms. ![]() ![]() This article aims to clarify the terms commonly used and its clinical implications in lumbar spinal imaging. Multiple modalities are used with spinal imaging and with increasing access to magnetic resonance imaging and better imaging quality, primary care physicians are being exposed to nomenclature utilised by neuroradiologists and specialists in the field of spinal medicine. ![]()
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