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MACROSCOPIC AND HISTOLOGICAL ANALYSIS ON ENDOSCOPICALLY RESECTED RECTAL LESIONS
Marcos Onofre Frugis1, Carmen Australia Paredes Marcondes Ribas2, Osvaldo Malafaia2
1Hospital 9 de Julho, Digestive Endoscopy Service - São Paulo (SP), Brazil.
Summary
Rectal polyps are common and frequently adenomas with dysplasia, a precursor to colorectal cancer. Endoscopic resection is a safe and effective treatment for these rectal lesions.
Area of Science:
- Gastroenterology
- Oncology
- Endoscopic Surgery
Background:
- Colorectal cancer (CRC) is a leading global malignancy.
- Colonoscopy is crucial for CRC prevention, offering diagnostic and therapeutic capabilities for adenomatous lesions.
Purpose of the Study:
- To analyze the prevalence and characteristics of rectal polypoid lesions.
- To evaluate the safety and efficacy of endoscopic therapy for rectal lesions.
Main Methods:
- Retrospective observational study.
- Analysis of medical records of patients undergoing rectal polyp resection.
- Endoscopic resection techniques including polypectomy and wide mucosectomy.
Main Results:
- 123 patients evaluated; 37% had rectal polyps.
- Adenomas with dysplasia (low and high-grade) were common findings.
- Endoscopic resection achieved complete lesion removal in 91% of cases; 4% required surgery for infiltrative lesions.
Conclusions:
- Rectal polyps are prevalent and often represent pre-cancerous lesions.
- Endoscopic therapy is a safe and efficient treatment modality for rectal polyps.
- Colonoscopy plays a vital role in the management of rectal lesions, preventing colorectal cancer progression.
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