A 45-year-old garbage collector has severe neck pain and weakness in his left upper extremity. He gotten no relief from over-the-counter medications. He denies any history of trauma. On examination the patient is thin and walks with his neck tilted to the left side. The patient has limited neck flexion and extension secondary to pain. The patient has a normal motor and sensory examination of all extremities, with the exception of the left upper extremity. His left radical forearm and thumb are numb to the touch(decreased sensation to light touch). The patient has a deceased brsnchioradialis reflex and slight weakness of his wrist extensors. Plain radiographs appear normal. Which of the following is the most likely diagnosis?

A 45-year-old garbage collector has severe neck pain and weakness in his left upper extremity. He gotten no relief from over-the-counter medications. He denies any history of trauma. On examination the patient is thin and walks with his neck tilted to the left side. The patient has limited neck flexion and extension secondary to pain. The patient has a normal motor and sensory examination of all extremities, with the exception of the left upper extremity. His left radical forearm and thumb are numb to the touch(decreased sensation to light touch). The patient has a deceased brsnchioradialis reflex and slight weakness of his wrist extensors. Plain radiographs appear normal. Which of the following is the most likely diagnosis?

A 45-year-old garbage collector has severe neck pain and weakness in his left upper extremity. He gotten no relief from over-the-counter medications. He denies any history of trauma. On examination the patient is thin and walks with his neck tilted to the left side. The patient has limited neck flexion and extension secondary to pain. The patient has a normal motor and sensory examination of all extremities, with the exception of the left upper extremity. His left radical forearm and thumb are numb to the touch(decreased sensation to light touch). The patient has a deceased brachioradialis reflex and slight weakness of his wrist extensors. Plain radiographs appear normal. Which of the following is the most likely diagnosis?



(A)Compression of his left C6 nerve root
(B)Compression of his left thoracic first nerve root
(C)Compression of his his right T1 nerve root
(D)A tumor in his lumbar spine
(E)A tumor in his sacral spine

Answer:  A: Compression of his left C6 nerve root


Anatomy

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