This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Medicine
Painless burn in hand is a characteristic feature of- 
Select and explain. 
A. Syrinyomgelia, B. Thalamic syndrome, C. Cord compression, D. Systemic-lupus-erythematosis
A: Syrinyomgelia
Answer: A: Syrinyomgelia 
Explanation: None