A minimal annular bulge at the C4-C5 level refers to a slight outward protrusion of the intervertebral disc at this cervical spine segment. This condition is often asymptomatic but can sometimes lead to nerve compression, resulting in neck pain or radiating symptoms in the arms. It is typically diagnosed through imaging studies like an MRI. Treatment may include physical therapy, pain management, or observation, depending on the severity of symptoms.
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Spondylosis at C4-C5 and C5-C6 refers to degenerative changes in the cervical spine at these vertebral levels, often characterized by disc degeneration, osteophyte formation, and reduced disc height. The term "broad-based cord encroachment" indicates that these changes are causing a wider area of compression on the spinal cord, potentially leading to neurological symptoms such as pain, numbness, or weakness in the arms or hands. This condition is commonly associated with aging and can result in cervical radiculopathy or myelopathy if left untreated. Treatment options may include physical therapy, medication, or surgical intervention, depending on the severity of symptoms.