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
True about celiac disease - 
Select and explain. 
A. Villous atrophy, B. Crypt hyperplasia, C. Infiltration of lymphocytes, D. All
D: All
Answer: D: All 
Explanation: Ans. is 'a' i.e., Villous atrophy; 'b' Crypt hyperplasia; 'c' i.e., Infiltration of lymphocyteso Characteristic histopathological features in celiac disease are:(t) Intraepithelial lymphocytosis (Increased numbers of intraepithelial CD8 + T lymphocytes).(ii) Crypt hyperplasia(iii) Villous atrophyCryptitis refers to inflammation of an intestinal crypt. It is not a feature of celiac disease. It is seen in Inflammatory bowel disease (CD, UC), diveicular disease, radiation colitis and infectious colitis.