This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Neurotic, Stress Related and Somatoform Disorders, Subject name: Psychiatry
In which of the following conditions the sensory loss is clearly demarcated by midline? 
Select and explain. 
A. Conversion disorder, B. Charcot's neuropathy, C. Peripheral neuritis, D. Leprosy
A: Conversion disorder
Answer: A: Conversion disorder 
Explanation: Sensory loss in conversion disorder can present with some unusual presentations: Clearly demarcated midline splitting (as given in the question) Sensory limited to the hair line Loss of pain but not temperature Bilateral blindness with ability injury avoidance while walking Preserved pupillary dilatation in the affected eye Non-anatomical distribution of sensory loss