Related Experiment Video
Updated: May 7, 2026
08:26
Clinical Application of Single-Surgeon, Three-Port, Laparoscopic Resection for Colorectal Cancer with Natural Orifice Specimen Extraction
Published on: March 24, 2023
2.1K
[Colonic intussusception by leiomyosarcoma]
Ronald Arcana1, Oscar Frisancho, Alejandro Yábar
1Departamento del Aparato Digestivo, Hospital Nacional Edgardo Rebagliati Martins, EsSalud. Lima, Perú.
Summary
A rare case of colon leiomyosarcoma presented as an intussusception in a 34-year-old female. This unusual presentation highlights the importance of considering rare malignancies in abdominal pain diagnoses.
Area of Science:
- Gastroenterology
- Surgical Oncology
- Pathology
Background:
- A 34-year-old female presented with a three-week history of abdominal pain, fever, bloody stools, nausea, and vomiting.
- Physical examination revealed abdominal distension, increased bowel sounds, and tenderness in the right lower quadrant with a palpable mass.
Observation:
- Initial investigations showed anemia with decreased corpuscular constants.
- Despite initial symptoms suggesting other conditions, a presumptive diagnosis of intestinal obstruction and intussusception was made.
- Surgical exploration identified a transverse colon tumor causing colo-colonic intussusception.
Findings:
- A 7x5cm proliferative tumor of the transverse colon was resected.
- Pathology and immunohistochemistry confirmed the tumor as a colon leiomyosarcoma.
- The patient underwent a transverse colon resection and side-to-side anastomosis, with a favorable outcome.
Implications:
- This case underscores the rarity of colon leiomyosarcoma and its unusual presentation as intussusception.
- Highlights the diagnostic challenges and the importance of surgical intervention for unexplained abdominal masses and obstructions.
- Emphasizes the need for thorough pathological examination to diagnose rare gastrointestinal malignancies.
Related Concept Videos
01:29Intestinal Obstruction I: Introduction
87
Intestinal obstruction is a partial or complete blockage of the small or large intestine that disrupts the normal flow of intestinal contents through the lumen. This interruption impairs digestion, absorption, and fluid balance, and may lead to serious complications if not treated promptly.Mechanical ObstructionMechanical obstruction occurs when a physical blockage prevents intestinal contents from passing, arising from within the lumen or the bowel wall, or from external compression.Adhesions,...
87
01:07Intestinal Obstruction II: Pathophysiology
78
Intestinal obstruction triggers a series of physiological responses, starting with gas and fluid accumulation in the bowel segment proximal to the obstruction, leading to distension. This distended intestine compresses the diaphragm, hindering lung expansion and potentially leading to reduced respiratory effort, atelectasis, and pneumonia.To overcome the blockage, the gut intensifies contractions, causing colicky abdominal pain, nausea, and vomiting, which reduces fluid and food intake and...
78
01:23Anatomy of the Intestines
65.4K
Although digestion of proteins, carbohydrates, and lipids may begin in the stomach, it is completed in the intestine. The absorption of nutrients, water, and electrolytes from food and drink also occurs in the intestine. The intestines can be divided into two structurally distinct organs—the small and large intestines.
Small Intestines
The small intestine is an ~7 meter-long tube with an inner diameter of just 2.5 cm. Since most nutrients are absorbed here, the inner lining of the...
Small Intestines
The small intestine is an ~7 meter-long tube with an inner diameter of just 2.5 cm. Since most nutrients are absorbed here, the inner lining of the...
65.4K
01:27Diverticular Disease of the Colon
55
Diverticular disease involves the formation of diverticula—small sac-like outpouchings of the colonic wall—and their complications. It most commonly affects the sigmoid colon due to higher intraluminal pressure and structural vulnerability. It results from structural weakness and increased pressure in the colon, producing pseudodiverticula that may remain silent or progress to inflammation and serious complications.Structure of DiverticulaIn diverticulosis, these outpouchings are...
55
01:19Appendicitis
33
Appendicitis is an acute inflammatory condition of the vermiform appendix, most commonly caused by obstruction of its lumen. The appendix is a narrow, blind-ended pouch that extends from the cecum, making it particularly prone to obstruction. Causes include fecaliths, lymphoid hyperplasia (often after viral infections), parasites, tumors, or foreign bodies. This obstruction initiates a cascade of pathological changes.Luminal Obstruction and Early InflammationAfter obstruction, normal mucosal...
33
01:26Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy
682
This lesson explores three gastrointestinal imaging techniques: radionuclide testing, colonic transit studies, and virtual colonoscopy.
Radionuclide Testing
Radionuclide testing is a sophisticated medical technique for assessing gastrointestinal motility. It focuses on gastric emptying and colonic transit time. Radioactive markers track the movement of food through the digestive system, providing insights into gastrointestinal disorders.
In gastric emptying studies, a meal's liquid and...
Radionuclide Testing
Radionuclide testing is a sophisticated medical technique for assessing gastrointestinal motility. It focuses on gastric emptying and colonic transit time. Radioactive markers track the movement of food through the digestive system, providing insights into gastrointestinal disorders.
In gastric emptying studies, a meal's liquid and...
682