1. Which of the following clinical scenarios describes a polyneuropathy

1. A 50 year old gentleman presents with tingling and burning sensation over the medial aspect of both his hands. He is suffering from neck pain since the past 10 year. He is otherwise healthy.
2. A 67 year old woman with cotton wool sensation on her feet while walking. She is a known diabetic since 20 year on insulin.
3. A 45 year old typist in a company comes with tingling and burning sensation in her right hand more so in the early mornings.
4. A 50 year old woman presents with sudden onset visual loss. She had burning sensation over her right palm and her left foot over the past 2 months.

Answer: The first scenario is a cervical cord compression neuropathy. The second scenario is a typical diabetic polyneuropathy. The third case is a carpal tunnel syndrome, which is a mononeuropathy. The final case scenario is Multiple Sclerosis presenting here as a mononeuropathy(mononeuritis) multiplex.