Traditional serrated adenoma
| Traditional serrated adenomas | |
|---|---|
 | |
| Traditional serrated adenoma with intermediate magnification, showing serrated crypts and cytologic atypia (H&E stain). | |
| Specialty | Gastroenterology |
| Symptoms | Asymptomatic |
| Complications | Colorectal cancer |
| Usual onset | >50 years of age |
| Diagnostic method | Colonoscopy |
| Treatment | Polypectomy |
| Frequency | <1% of all colon polyps |
Traditional serrated adenoma is a
colon, often in the distal colon (sigmoid, rectum). Traditional serrated adenomas are a type of serrated polyp, and may occur sporadically or as a part of serrated polyposis syndrome. Traditional serrated adenomas are relatively rare, accounting for less than 1% of all colon polyps.[1][2] Usually, traditional serrated adenomas are found in the distal colon and are usually less than 10 mm in size.[1]
Histopathology
Traditional serrated adenomas are characterized by ectopic crypts, pseudostratification, and a villous pattern with stretched nuclei.[3]
Epidemiology
Usually found in individuals over the age of 50 years, traditional serrated adenomas affect men and women equally.[1] The overall prevalence of traditional serrated adenomas is less than 1% of the general population.[3] Traditional serrated adenomas are the least common type of serrated polyps found in the colon, accounting for 5% of serrated colon polyps.[4]