3 MCQs in Pathology for NEET PG
A 55-year-old man undergoes colonoscopy for screening. A 3 mm sessile polyp is found in the rectosigmoid region. Histology shows elongated crypts with normal epithelium and no dysplasia. What is the malignant potential of this lesion?
A 62-year-old woman from Mumbai undergoes colonoscopy for iron-deficiency anemia. A 15 mm sessile polyp is found in the right colon. Biopsy shows elongated crypts with a serrated outline, mucin-rich epithelium, and focal low-grade dysplasia. Immunohistochemistry shows loss of MLH1 expression. What is the most likely diagnosis and the recommended management?
Which of the following histological features is characteristic of hyperplastic polyps of the colon?
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