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Related Concept Videos

Inflammatory Bowel Disease V: Surgical Management01:21

Inflammatory Bowel Disease V: Surgical Management

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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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Esophageal Strictures-I: Introduction01:30

Esophageal Strictures-I: Introduction

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Esophageal strictures involve abnormal narrowing or tightening of the esophagus. They vary in length and severity, ranging from mild constriction to complete obstruction, and are classified as benign (noncancerous) or malignant (cancerous).
Etiology
The primary cause of esophageal strictures is long-standing gastroesophageal reflux disease (GERD), accounting for about 70 to 80% of adult cases. Chronic acid reflux can lead to injury and scarring of the esophageal lining, culminating in...
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Esophageal Strictures-II: Clinical Features and Management01:26

Esophageal Strictures-II: Clinical Features and Management

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Patients with esophageal strictures often experience a range of symptoms. Initially, they may have difficulty swallowing solid foods, which can progress to include liquids. Additional symptoms may involve chest pain or discomfort, regurgitating food and fluids, heartburn, unintentional weight loss, coughing or choking during meals, and hoarseness.
Healthcare providers should gather a comprehensive medical history and conduct a physical examination for diagnosis. If esophageal stricture is...
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Endoscopic Procedures IV: Sigmoidoscopy and Laproscopy01:26

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

Peptic Ulcer Disease V: Surgical Management and Nursing Care

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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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Endoscopic Procedures II: Colonoscopy01:25

Endoscopic Procedures II: Colonoscopy

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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:
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Related Experiment Video

Updated: Jun 13, 2025

Robot-assisted Total Mesorectal Excision and Lateral Pelvic Lymph Node Dissection for Locally Advanced Middle-low Rectal Cancer
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Challenges associated with low rectal malignant obstruction stenting: a case report.

Victor Cabrera-Bou1, Eddy P Lincango1, Alessandra E Cabrera1

  • 1Surgery Department, University of Central Florida, 4000 Central Florida Blvd, Orlando, FL 32816, United States.

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|September 11, 2024
PubMed
Summary

Self-expanding metallic stents (SEMS) can be safely placed near the anal verge for malignant rectal obstruction. This case study demonstrates successful SEMS deployment, relieving obstruction and enabling further treatment.

Keywords:
anal adenocarcinomaanorectal ringself-expanding metallic stents

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Area of Science:

  • Gastroenterology
  • Surgical Oncology
  • Colorectal Surgery

Background:

  • Self-expanding metallic stents (SEMS) placement within 5 cm of the anal verge for malignant rectal obstruction is debated.
  • Traditional contraindications include risks of incontinence, proctalgia, and tenesmus due to potential impact on the anorectal ring or anal canal.

Observation:

  • A 63-year-old female presented with symptoms of large bowel obstruction.
  • A bulky fixed mass was identified 5 cm from the anal verge, confirmed as adenocarcinoma via biopsy.
  • Imaging revealed a high-grade stricture with a severely narrowed lumen.

Findings:

  • Despite contraindications, a 2.5 cm x 9.0 cm colonic stent was successfully deployed.
  • The SEMS placement resulted in prompt and significant colonic decompression.

Implications:

  • This case suggests SEMS may be a viable option for malignant rectal obstructions traditionally considered contraindicated.
  • Successful stenting facilitated timely initiation of chemoradiotherapy, improving patient management.
  • Further research is warranted to establish the safety and efficacy of SEMS in this anatomical region.