Which condition would be included in the differential diagnosis for neck and arm pain and would require evaluation of nerve roots or brachial plexus?

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Multiple Choice

Which condition would be included in the differential diagnosis for neck and arm pain and would require evaluation of nerve roots or brachial plexus?

Focus on nerve-root or brachial plexus involvement when neck and arm pain is present. Cervical radiculopathy is exactly a condition where a cervical nerve root is irritated or compressed, causing neck pain that radiates into the arm and is accompanied by sensory changes, possible weakness in specific muscles, and reflex alterations that follow a dermatomal and myotomal pattern. Because it directly reflects pathology affecting the nerve roots or the brachial plexus, it belongs in the differential diagnosis and prompts a neurologic-focused evaluation rather than assuming a primary headache or sinus issue. In practice, you’d look for symptoms that map to a cervical nerve root level (for example, pain and numbness along a particular arm distribution, weakness in the corresponding muscle group, and reduced reflexes). Provocative tests like Spurling’s maneuver can help reproduce symptoms, and the neck may be alleviated by distraction if a radiculopathy is present. If suspicion remains, imaging with MRI can reveal nerve root compression or disc herniation, and nerve conduction studies or EMG can assess nerve function. The other conditions listed—migraine, sinusitis, and tension headache—tend to present with head or facial symptoms and lack focal neurologic signs tied to specific arm dermatomes or brachial plexus pathways.

Focus on nerve-root or brachial plexus involvement when neck and arm pain is present. Cervical radiculopathy is exactly a condition where a cervical nerve root is irritated or compressed, causing neck pain that radiates into the arm and is accompanied by sensory changes, possible weakness in specific muscles, and reflex alterations that follow a dermatomal and myotomal pattern. Because it directly reflects pathology affecting the nerve roots or the brachial plexus, it belongs in the differential diagnosis and prompts a neurologic-focused evaluation rather than assuming a primary headache or sinus issue.

In practice, you’d look for symptoms that map to a cervical nerve root level (for example, pain and numbness along a particular arm distribution, weakness in the corresponding muscle group, and reduced reflexes). Provocative tests like Spurling’s maneuver can help reproduce symptoms, and the neck may be alleviated by distraction if a radiculopathy is present. If suspicion remains, imaging with MRI can reveal nerve root compression or disc herniation, and nerve conduction studies or EMG can assess nerve function. The other conditions listed—migraine, sinusitis, and tension headache—tend to present with head or facial symptoms and lack focal neurologic signs tied to specific arm dermatomes or brachial plexus pathways.

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