Painless burn in hand is a characteristic feature of :
Answer is A (Syringomyelia): Syringomyelia is characterized by 'dissociative anaesthesia' with sensory loss to sensations of temperature and pain while sensation of 'touch' is preserved. This leads to multiple burns and non healing ulcers over the hand and forearms.
Syringomgelia
Thalamic syndrome
Cord compression
Systemic-lupus-ehromatosis