system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
A patient presented with weakness of the right side of the face with loss of pain and temperature , Pain and temperature sensation of the left leg is lost The lesion is most likely located
assistant
The correct answer is  RULE OF 4 weakness of face =palsy of facial muscles of=7th nerve affected =same side=7th NERVE from PONS Loss of pain, temperature from force = Trigeminal Nerve affected=Lesion in lateral side and ipsilateral Loss of pain , temperature in body = UL, LL=spinothalamic tract affected= Lesion in C/L side and also lateral side REF: BD CHAURASIA