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Related Concept Videos

Assessment of the Rectum and Anus01:25

Assessment of the Rectum and Anus

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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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Peptic Ulcer Disease V: Surgical Management and Nursing Care01:25

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Surgical management and nursing care are crucial in treating Peptic Ulcer Disease (PUD). Here is an organized and enhanced overview of the surgical interventions and the associated nursing care for PUD:
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Standards of Care II01:19

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Nurses bear specific legal responsibilities under several federal statutes, including:
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Inflammatory Bowel Disease V: Surgical Management01:21

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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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Standards of Care I01:22

Standards of Care I

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Federal statutes profoundly impact nursing practice, providing critical guidelines to ensure patient care is equitable, accessible, and of the highest quality. The following laws address distinct aspects of healthcare provision and patient rights:
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Barrett Esophagus-II: Clinical Manifestations and Management01:21

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Individuals with Barrett's esophagus are often asymptomatic, but they may experience symptoms commonly associated with GERD, such as heartburn and acid regurgitation. Additional symptoms can include difficulty swallowing, chest pain, unintentional weight loss, blood in the stool (which may appear black, tarry, or bloody), and episodes of vomiting.
To diagnose Barrett's esophagus, healthcare providers often recommend an endoscopy for those showing symptoms of acid reflux. The procedure...
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Related Experiment Video

Updated: Dec 15, 2025

Robot-assisted Total Mesorectal Excision and Lateral Pelvic Lymph Node Dissection for Locally Advanced Middle-low Rectal Cancer
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NCCN Guidelines Insights: Rectal Cancer, Version 6.2020.

Al B Benson1, Alan P Venook2, Mahmoud M Al-Hawary3

  • 11Robert H. Lurie Comprehensive Cancer Center of Northwestern University.

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The National Comprehensive Cancer Network (NCCN) updated rectal cancer guidelines, emphasizing total neoadjuvant therapy and biomarker-targeted treatments for specific metastatic colorectal cancer cases.

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Area of Science:

  • Oncology
  • Gastroenterology
  • Clinical Guidelines

Background:

  • Rectal cancer management requires clear diagnostic and therapeutic protocols.
  • Evolving treatment landscapes necessitate guideline updates.
  • Distinguishing rectal from sigmoid colon anatomy is crucial for treatment planning.

Purpose of the Study:

  • To summarize key updates to the NCCN Rectal Cancer Guidelines.
  • To highlight recent panel discussions influencing these recommendations.
  • To inform clinicians about new approaches in rectal cancer care.

Main Methods:

  • Review of NCCN Rectal Cancer Guidelines.
  • Analysis of panel discussions on guideline revisions.
  • Synthesis of information on new therapeutic strategies.

Main Results:

  • Clarified definition of the rectum and its differentiation from the sigmoid colon.
  • Endorsed the total neoadjuvant therapy approach for localized rectal cancer.
  • Detailed biomarker-targeted therapies for metastatic colorectal cancer, including BRAF V600E and HER2 amplification.

Conclusions:

  • Updated guidelines provide clearer definitions and treatment pathways for rectal cancer.
  • Total neoadjuvant therapy is a key advancement for localized disease.
  • Targeted therapies offer new hope for patients with specific molecular profiles in metastatic colorectal cancer.