You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is A dissociated sensory loss is seen in and explain in detail?
Impairment of pinprick and temperature appreciation but relative preservation of light touch, position sense and vibration senseA dissociated sensory loss can reflect spinothalamic tract involvement in the spinal cord, especially if the deficit is unilateral and has an upper level on the torsoBilateral spinothalamic tract involvement occurs with lesions affecting the center of the spinal cord, such as in syringomyeliaRef: Davidson's 21/e p1157