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Related Concept Videos

Assessment of the Rectum and Anus01:25

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,...
Endoscopic Procedures IV: Sigmoidoscopy and Laproscopy01:26

Endoscopic Procedures IV: Sigmoidoscopy and Laproscopy

Sigmoidoscopy and laparoscopy are distinct medical procedures that enable physicians to internally inspect different parts of the GI tract. Although they serve different purposes, each is essential for diagnosing and, in some cases, treating various medical conditions.
Sigmoidoscopy
Sigmoidoscopy is a diagnostic procedure that uses a flexible sigmoidoscope equipped with a light source and camera to examine the rectum and sigmoid colon. The procedure involves inserting the tube through the anus...
Endoscopic Procedures II: Colonoscopy01:25

Endoscopic Procedures II: Colonoscopy

The colon, or large intestine, is the final segment of the digestive system. Its primary functions include absorbing water and vitamins produced by gut bacteria and transforming waste from liquid to solid to form stool. In adults, the large intestine is approximately 5 feet long and consists of four main sections:
Inflammatory Bowel Disease V: Surgical Management01:21

Inflammatory Bowel Disease V: Surgical Management

Surgical interventions for inflammatory bowel disease (IBD), which includes ulcerative colitis and Crohn's disease, are essential in managing symptoms and addressing complications. The selection of surgical procedures is contingent upon the specific conditions and complications that stem from these illnesses.
Here are some common surgical interventions for IBD:

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Articles linked to this work by shared authors, journal, and citation graph.

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[Prognostic factors for the definition of the extent of lymphadenectomy by the early gastric cancer].

Khirurgiia·2009
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[Videoendolaryngeal surgery in primary local laryngeal amyloidosis with involvement of the upper third of the trachea: case report].

Vestnik otorinolaringologii·2008
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[Combined endolaryngeal videoendoscopic surgery and photodynamic treatment of patients with recurrent laryngeal and tracheal papillomatosis].

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[Stomach precancer].

Klinicheskaia meditsina·1999
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[Immunomorphologic characterization of various parameters of stomach cancer invasion].

Arkhiv patologii·1997
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[Combined treatment of stomach neoplasms].

Khirurgiia·1997
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[Evolution of integrated morphological prognostic indices in breast cancer diagnosis. Total malignancy score and nottingham prognostic index].

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[Modern morphological concepts of periprosthetic joint infection in traumatology and orthopedics].

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[Dyshormonogenetic goiter in a patient with congenital hypothyroidism: clinical, morphological and genetic features].

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Related Experiment Video

Updated: May 30, 2026

The Pocket-Creation Procedure of Endoscopic Submucosal Dissection for Large Rectal Laterally Spreading Tumors
04:09

The Pocket-Creation Procedure of Endoscopic Submucosal Dissection for Large Rectal Laterally Spreading Tumors

Published on: February 13, 2026

[Morphological procedure for rectal cancer].

O A Maĭdanovskaia, T A Belous

    Arkhiv Patologii
    |August 23, 2011
    PubMed
    Summary
    This summary is machine-generated.

    This study details rectal cancer surgery specimen analysis, focusing on mesorectumectomy quality and resection margins. Accurate pathological assessment ensures surgical efficacy and aids in diagnosing rectal cancer.

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    Robot-assisted Total Mesorectal Excision and Lateral Pelvic Lymph Node Dissection for Locally Advanced Middle-low Rectal Cancer
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    Robot-assisted Total Mesorectal Excision and Lateral Pelvic Lymph Node Dissection for Locally Advanced Middle-low Rectal Cancer

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    Last Updated: May 30, 2026

    The Pocket-Creation Procedure of Endoscopic Submucosal Dissection for Large Rectal Laterally Spreading Tumors
    04:09

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    Published on: February 13, 2026

    Clinical Application of Single-Surgeon, Three-Port, Laparoscopic Resection for Colorectal Cancer with Natural Orifice Specimen Extraction
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    Robot-assisted Total Mesorectal Excision and Lateral Pelvic Lymph Node Dissection for Locally Advanced Middle-low Rectal Cancer
    12:45

    Robot-assisted Total Mesorectal Excision and Lateral Pelvic Lymph Node Dissection for Locally Advanced Middle-low Rectal Cancer

    Published on: February 12, 2022

    Area of Science:

    • Pathology
    • Surgical Oncology
    • Cancer Research

    Context:

    • Rectal cancer surgery requires meticulous pathological evaluation of specimens.
    • Assessing the quality of mesorectumectomy and resection margins is crucial for surgical success.

    Purpose:

    • To outline the morphological assessment of surgical specimens in rectal cancer.
    • To establish criteria for evaluating surgical quality and efficacy, including the circulatory resection margin.

    Summary:

    • Morphological study involves evaluating mesorectumectomy quality, tumor sections, and proximal, distal, and circulatory resection margins.
    • A positive circulatory margin (tumor within 1 mm) indicates non-radical surgery.
    • This analysis helps determine tumor extent, prognostic factors, and surgical/diagnostic quality.

    Impact:

    • Provides a standardized method for assessing rectal cancer surgical specimens.
    • Enhances the evaluation of surgical intervention quality and preoperative diagnosis.
    • Contributes to improved patient outcomes through precise pathological assessment.