Related Experiment Video
Updated: Jun 19, 2026

The Pocket-Creation Procedure of Endoscopic Submucosal Dissection for Large Rectal Laterally Spreading Tumors
Published on: February 13, 2026
Serrated colonic polyps in a teaching hospital in Saudi Arabia: prevalence and review of classification
1Department of Laboratory Medicine, Anatomical Pathology, King Abdul Aziz University Hospital, P.O. Box 80215, Jeddah 21589, Saudi Arabia. bokharyr@hotmail.com
Insights
Serrated colorectal polyps, including microvesicular types, were studied in a hospital population. Their prevalence appears similar to Western countries, with most cases occurring in males.
Area of Science:
- Gastroenterology
- Pathology
- Colorectal Cancer Research
Background:
- Serrated polyps are an important precursor to colorectal cancer.
- Accurate classification and understanding of serrated polyp morphology are crucial for risk assessment.
Purpose of the Study:
- To determine the prevalence of serrated colorectal polyps at King AbdulAziz University Hospital.
- To review and standardize the classification of serrated colorectal polyps based on morphology.
Main Methods:
- Retrospective analysis of serrated colorectal polyp cases from 2004-2008.
- Microscopic re-examination and re-classification of lesions using current terminology.
Main Results:
- Hyperplastic polyps constituted 12.3% of all colorectal polyps; a 42.5% false positive rate was observed.
- Microvesicular serrated polyps were the most common subtype.
- Serrated polyps predominantly affected males across a wide age range.
Conclusions:
- The prevalence of serrated colorectal polyps in this region is comparable to Western populations.
- Standardized classification is essential for accurate diagnosis and management.
Background/Aim:
To determine the prevalence of serrated colorectal polyps in the King AbdulAziz University Hospital population and to review the current classification of colorectal serrated polyps with emphasis on morphological features.
Materials And Methods:
This retrospective study used cases diagnosed with serrated colorectal polyps at the histopathology laboratory of King AbdulAziz University Hospital during last five years (2004-2008). The slides were reexamined microscopically and the lesions were renamed according to the terminology discussed in this article.
Results:
Diagnosed hyperplastic polyps represented 12.3% of all colorectal polyps submitted to our laboratory during the study period. However, the false positive rate was found to be 42.5%. Of the truly diagnosed serrated polyps, the most common subtype is the microvesicular serrated polyps. The majority of the serrated colorectal polyps was found in males, with a wide age range.
Conclusion:
The prevalence of serrated colorectal polyps in our geographic area seems to be similar to that in western populations.
Related Concept Videos
Endoscopic Procedures II: Colonoscopy
Diverticular Disease of the Colon
Assessment of the Rectum and Anus
Rectal Inspection
Begin by inspecting the perianal and anal areas for color, texture, rashes,...
Inflammatory Bowel Disease V: Surgical Management
Here are some common surgical interventions for IBD:
Peptic Ulcer Disease III: Clinical Manifestations and Diagnostic Studies
Few clinical manifestations differentiate gastric ulcers from duodenal ulcers. Distinctions in the location, timing, and pain relief are crucial for healthcare providers in differentiating between gastric and duodenal ulcers during clinical assessments.
Inflammatory Bowel Disease I: Ulcerative Colitis
Inflammatory bowel disease, or IBD, encompasses a group of disorders characterized by chronic inflammation or ulceration of the gastrointestinal tract.
Risk Factors
The exact cause of IBD remains unclear, although it is believed to be due to a mix of genetic, environmental, microbial, and immune factors. Genetic factors are significant in determining susceptibility to IBD, with family history being a critical risk factor. Individuals with a first-degree relative who has IBD are at...