A 60-year-old man with a 15-year history of diabetes mellitus type 2 complains of deep burning pain and sensitivity to touch over his hands and fingers. Nerve conduction studies show slow transmission...

A 60-year-old man with a 15-year history of diabetes mellitus type 2 complains of deep burning pain and sensitivity to touch over his hands and fingers. Nerve conduction studies show slow transmission of impulses and diminished muscle stretch reflexes in both ankles and knees. Sensations to vibrations and light touch are also markedly diminished. Laboratory analysis of CSF shows no biochemical abnormalities. Which of the following is the most likely type of peripheral nerve disease in this patient?

(A) Autonomic neuropathy

(B) Distal polyneuropathy

(C) Inflammatory neuropathy

(D) Mononeuropathy

(E) Paraproteinemic neuropathy