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Comprehensive guide to lumbar disc herniation covering disc anatomy and pathology, morphological classification (protrusion, extrusion, sequestration), dermatomal levels, clinical syndromes by level, Macnab outcome criteria, conservative and surgical management including microdiscectomy, and cauda equina syndrome as a surgical emergency.
Spine X-rays are read fast and dismissed faster. These signs are the ones that change management — and occasionally, save lives.
The Cobb angle is the standard radiographic measurement used to quantify the degree of spinal curvature in conditions such as Scoliosis. It is calcula...
Modic changes are MRI signal changes seen in the vertebral endplates and adjacent bone marrow associated with Degenerative disc disease. They are clas...
A 45-year-old male presents with severe lower back pain radiating down his left leg. Physical examination reveals weakness in ankle dorsiflexion and sensory loss in the L...
Which morphological classification of lumbar disc herniation describes a scenario where the nucleus pulposus has migrated beyond the annulus fibrosus and is free in the s...
In a patient with cauda equina syndrome, which of the following symptoms is most characteristic?
A 55-year-old female with a history of chronic low back pain presents with new-onset urinary incontinence and loss of bowel control. What is the most appropriate immediat...
Which of the following is NOT a typical risk factor for lumbar disc herniation?
What is the primary goal of conservative management for lumbar disc herniation?
According to the Macnab outcome criteria, which of the following represents a 'poor' outcome following surgical intervention for lumbar disc herniation?
Which level of the lumbar spine is most commonly associated with disc herniation?
What is the most common neurological deficit associated with an L5 nerve root compression due to disc herniation?
Which imaging modality is most appropriate for diagnosing lumbar disc herniation?