This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: G.I.T, Subject name: Surgery
Retractile mesenteris may be seen in: 
Select and explain. 
A. Ormond's disease, B. Gardner's disease, C. Turner's syndrome, D. Down's syndrome
A: Ormond's disease
Answer: A: Ormond's disease 
Explanation: Retractile Mesenteritis Retroperitoneal fibrosis has been associated with a variety of sclerosis disease, among these is a variant known as retractile mesenteritis Involve predominantly the mesentry of small intestine and associated vessels, involvement of mesocolon and colon is less frequent. Ref: Schwaz 10th edition Pgno: 1458