This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Diagnostic procedures, Subject name: Pathology
Biopsy of a small, rounded rectal polyp demonstrates glands and saw tooth crypts composed of a proliferation of goblet and columnar epithelial cells. No atypia is seen. This polyp is best classified as which of the following? 
Select and explain. 
A. Hyperplastic polyp, B. Peutz-Jeghers polyp, C. Tubular adenoma, D. Tubulovillous adenoma
A: Hyperplastic polyp
Answer: A: Hyperplastic polyp 
Explanation: - Given clinical features suggests the diagnosis of hyperplastic polyp OTHER OPTIONS: * Peutz-Jeghers polyps (choice 'b') have no malignant potential, but tend to be larger & have complex branching pattern. * Tubular adenomas & tubulovillous adenomas, (choices c and d) are true neoplastic polyps containing dysplastic epithelium; the malignant potential of these polyps increases with size & percentage of polyps having villous configuration.