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: Pathology
Linitis plastica is a type of 
Select and explain. 
A. Plastic like lining of stomach, B. Diffuse carcinoma of stomach, C. Benign ulcer, D. GIST
B: Diffuse carcinoma of stomach
Answer: B: Diffuse carcinoma of stomach 
Explanation: According to Lauren classification, gastric cancers are two types- intestinal and diffuse type. Intestinal type Diffuse type Gross: Tumors are bulky, composed of glandular structures similar to esophageal and colonic adenocarcinoma. Present with heaped up borders and central ulceration. Gross: Infiltrative tumor which evokes a desmoplastic reaction that stiffens the gastric wall and may cause rugal flattening and a rigid, thickened wall that impas " Leather bottle" appearance called lintis plastica. Microscopy: neoplastic cells contain mucin vacuoles, abundant mucin present in the gland lumina. Microcopy: Signet ring cells with large cytoplasmic mucin vacuoles & peripherally displaced crescent shaped nuclei REF: TEXT BOOK OF ROBBINS BASIC PATHOLOGY NINTH EDITION PAGE .570 IMAGE REF: TEXT BOOK OF ROBBINS BASIC PATHOLOGY NINTH EDITION. FIG.14-16, PAGE:571