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Assessment of the Rectum and Anus

Assessment of the Rectum and Anus

Evaluating the rectum and anus plays a crucial role in conducting a thorough physical examination of the gastrointestinal system. Although it may be uncomfortable and often embarrassing for the patient, it holds immense diagnostic value, particularly in detecting gastrointestinal diseases and abnormalities. This guide will explain how to perform this assessment using inspection and palpation methods.
Rectal Inspection
Begin by inspecting the perianal and anal areas for color, texture, rashes,...

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Updated: Jun 18, 2025

Competing-Risk Nomogram for Predicting Cancer-Specific Survival in Multiple Primary Colorectal Cancer Patients after Surgery

Competing-Risk Nomogram for Predicting Cancer-Specific Survival in Multiple Primary Colorectal Cancer Patients after Surgery

Published on: September 27, 2024

Risk Factors for Rectal Cancer Recurrence after Local Excision of T1 Lesions from a Decade-Long Multicenter

Yaron Rudnicki¹, Nitzan Goldberg¹, Nir Horesh²

¹Department of Surgery, Meir Medical Center, Faculty of Medicine, Tel Aviv University, Tel Aviv 6997801, Israel.

Journal of Clinical Medicine

|July 27, 2024

Summary

Local surgical excision for early rectal cancer is safe, but recurrence is possible. Larger tumors, mucinous histology, and involved margins increase recurrence risk, suggesting closer surveillance for high-risk patients.

Keywords:

early rectal cancer local excision rectal cancer recurrence t1 rectal cancer

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Murine Ileocolic Bowel Resection with Primary Anastomosis

Murine Ileocolic Bowel Resection with Primary Anastomosis

Published on: October 29, 2014

Area of Science:

Gastroenterology
Surgical Oncology
Rectal Cancer Research

Background:

Local surgical excision is a standard treatment for T1 rectal adenocarcinoma.
Key questions remain regarding recurrence rates and associated risk factors following this procedure.

Purpose of the Study:

To identify risk factors for local and systemic recurrence after local excision of T1 rectal adenocarcinoma.
To evaluate the safety and efficacy of local excision for early rectal cancer.

Main Methods:

Retrospective multicenter study of 97 patients with T1 rectal lesions undergoing local excision (2010-2020).
Data analysis included demographics, surgical details, outcomes, and recurrence patterns.
Univariable and multivariable logistic regression identified risk factors for recurrence.

Main Results:

The overall recurrence rate was 14.4%, with local recurrence in 11 patients and systemic recurrence in 6.
Significant risk factors for recurrence included larger tumor size (OR 6.67), mucinous histology (OR 14.02), and involved margins (OR 9.59).
24.7% of patients required additional treatment post-pathology.

Conclusions:

Local excision is a safe and viable option for T1 rectal cancer.
High-risk features (large tumors, mucinous histology, involved margins) are associated with increased recurrence.
Stricter surveillance and potential additional interventions are recommended for high-risk patients.