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
[{'content': 'COMMONEST cause of sensory ganglionopathy among the following is: \nSelect and explain. \nA. Sjogren syndrome, B. Hypothyroidism, C. Diabetes, D. HIV', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Sensory ganglionopathy causes severe sensory ataxia. Most common causes of sensory ganglionopathies are Sjogren syndrome and a paraneoplastic neuropathy. ALSO KNOW: In paraneoplastic sensory ganglionopathy, anti-neuronal nuclear antibodies -(anti-Hu antibodies) is seen. It is most commonly seen in patients with small cell carcinoma of the lung. Ref: Harrison, Edition-18, Page-3450', 'role': 'assistant'}]