<prompt> COMMONEST cause of sensory ganglionopathy among the following is:Sjogren syndromeHypothyroidismDiabetesHIV  <response>: 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 