This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Salivary Glands, Subject name: Surgery
Bilateral parotid enlargement is seen in:- 
Select and explain. 
A. Wegner's granulomatosis, B. Sjogren's syndrome, C. Kimura's disease, D. All of the above
D: All of the above
Answer: D: All of the above 
Explanation: Causes of Bilateral Parotid Enlargement Viral infections: Mumps Influenza Epstein - Barr virus Coxsackie virus Cytomegalovirus HIV Sarcoidosis Amyloidosis Kimura's Disease Wegner's granulomatosis Sjogren's syndrome Metabolic Diabetes mellitus Hyperlipoproteinemia Chronic pancreatitis Hepatic cirrhosis Endocrine Acromegaly Gonadal hypofunction