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: Pathology
Autoimmune diseases associated with Sjogren syndrome are all except- 
Select and explain. 
A. Addisons disease, B. RA, C. Mixed connective tissue disorder, D. SLE
A: Addisons disease
Answer: A: Addisons disease 
Explanation: Sjogren syndrome

Sjogren syndrome is a chronic disease characterized by dry eyes (keratoconjunctivitis sicca) and dry mouth (xerostomia) resulting immunological mediated destruction of the lacrimal and salivary glands.
It occurs in two forms -

1. Primary form (Sicca syndrome) → Occurs as an isolated disorder.
2. Secondary form → When it occurs in association with other autoimmune disorder. It is more common.

Autoimmune diseases associated with Sjogren syndrome

□ Rheumatoid arthritis 
□ Primary biliary cirrhosis
□ Thyroiditis
□ SLE
□ Mixed connective tissue disease
□ Sarcoidosis
□ Polymyositis
□ Vasculitis
□ Scleroderma
□ Chronic active hepatitis 
Amongst these, Sjogren syndrome is associated most commonly with RA.