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
COMMONEST cause of sensory ganglionopathy among the following is: 
Select and explain. 
A. Sjogren syndrome, B. Hypothyroidism, C. Diabetes, D. HIV
A: Sjogren syndrome
Answer: A: Sjogren syndrome 
Explanation: 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