What is dysplasia?

Severity of dysplasia is graded more abnormality more dysplasia and closer to cancer. Extreme (difficult to distinguish cancer in situ), mild moderate or severe, low/high grade, grade 1,2,3 intraepithelial neoplasia are all ways to grade dysplasia. Epithelial dysplasia develops preferentially under certain conditions pathological: Gastric dysplasia develops preferentially in areas of intestinal metaplasia. Dysplasia of the bronchial epithelium of smokers already modified by squamous metaplasia. Dysplasia due to squamous metaplasia of the endocervix-ectocervix junction zone of the uterine cervix (HPV). Certain tumors considered benign have a risk of progressing towards cancer in the absence of treatment: adenomas of the colon and rectum N.B: Dysplasia can refer to certain anomalies in the development of an organ or part of an organ (renal dysplasia, etc.) or a constitutional abnormality (bone dysplasia, etc.)