<prompt> True regarding Sjogrens syndrome are all of the following except:Autoimmune conditionMales are commonly affectedProgressive destruction of lacrimal and salivary glandNo single laboratory investigation is pathognomonic  <response>: Ans. b Males are commonly affectedRef: Bailey 261e p737Sjogrens Syndrome: Most common in women Chronic disease characterized by dry eyes, dry mouth xerostomia due to immunological destruction of Lacrimal and Salivary glands Rheumatoid arthritis is commonly associated. Characterized by lymphocytic infiltration of salivary and lacrimal glands. Antibodies - SS-A and SS-B are seen in 90 Parotid enlargement is seen in 50 cases Lip biopsy is used to diagnose this syndrome by examining minor salivary glands 