Related Experiment Video
Updated: Feb 12, 2026

06:19
Chinese Herbal Retention Enema for the Treatment of Ulcerative Colitis
Published on: May 16, 2025
1.6K
Long-Standing Ulcerative Colitis May Trigger a Multilineage Cancerization Field.
Matteo Fassan1, Stefano Brignola1, Giacomo Sarzo2
11 Department of Medicine (DIMED), Surgical Pathology Unit, University of Padua, Padua, Italy.
International Journal of Surgical Pathology
|March 28, 2018
Summary
Ulcerative colitis (UC) inflammation increases colon cancer risk. A case study reveals UC can lead to both neuroendocrine and conventional adenocarcinoma, supporting a multilineage cancerization field theory.
Area of Science:
- Gastroenterology
- Oncology
- Pathology
Background:
- Longstanding inflammation in ulcerative colitis (UC) is linked to a higher risk of neoplastic transformation in the colon mucosa.
- Understanding the spectrum of UC-associated malignancies is crucial for patient management and early detection.
Observation:
- A rare case of poorly-differentiated neuroendocrine carcinoma coexisting with conventional adenocarcinoma in a patient with ulcerative colitis is presented.
- Detailed clinicopathological features of this complex neoplastic presentation were analyzed.
Findings:
- The co-occurrence of two distinct types of cancer (neuroendocrine and adenocarcinoma) in the context of UC suggests a broader field effect.
- This case supports the hypothesis that ulcerative colitis may act as a 'multilineage cancerization field'.
Implications:
- The findings highlight the aggressive potential of UC-associated neoplasia and the need for vigilant surveillance.
- Recognizing UC as a potential multilineage cancerization field may influence diagnostic approaches and therapeutic strategies for associated cancers.
More Related Videos
Related Concept Videos
Drugs for Treatment of Ulcerative Colitis in IBD
537
Ulcerative colitis is a chronic inflammatory condition primarily affecting the colon and rectum. The primary drugs used in the treatment of ulcerative colitis are aminosalicylates. They exhibit anti-inflammatory and immunosuppressive properties. They modulate inflammatory mediators and inhibit the activity of nuclear factor κB (NF-κB). Aminosalicylates also reduce inflammation by inhibiting prostaglandin and leukotriene production and decreasing neutrophil chemotaxis and superoxide...
537
Inflammatory Bowel Disease I: Ulcerative Colitis
1.1K
Introduction
Inflammatory bowel disease, or IBD, encompasses a group of disorders characterized by chronic inflammation or ulceration of the gastrointestinal tract.
Risk Factors
The exact cause of IBD remains unclear, although it is believed to be due to a mix of genetic, environmental, microbial, and immune factors. Genetic factors are significant in determining susceptibility to IBD, with family history being a critical risk factor. Individuals with a first-degree relative who has IBD are at...
Inflammatory bowel disease, or IBD, encompasses a group of disorders characterized by chronic inflammation or ulceration of the gastrointestinal tract.
Risk Factors
The exact cause of IBD remains unclear, although it is believed to be due to a mix of genetic, environmental, microbial, and immune factors. Genetic factors are significant in determining susceptibility to IBD, with family history being a critical risk factor. Individuals with a first-degree relative who has IBD are at...
1.1K
Standing Waves
5.5K
Sometimes waves do not seem to move; rather, they just vibrate in place. Unmoving waves can be seen on the surface of a glass of milk kept in a refrigerator, which is one example of standing waves. Vibrations from the refrigerator motor create waves on the milk that oscillate up and down but do not seem to move across the surface. These waves are formed or created by the superposition of two or more identical moving waves in opposite directions. The waves move through each other, with their...
5.5K
Modes of Standing Waves - I
4.1K
A close look at earthquakes provides evidence for the conditions appropriate for resonance, standing waves, and constructive and destructive interference. A building may vibrate for several seconds with a driving frequency matching the building's natural frequency of vibration; this produces a resonance that results in one building collapsing while the neighboring buildings do not. Often, buildings of a certain height are devastated, while other taller buildings remain intact. This...
4.1K
Modes of Standing Waves: II
1.8K
The starting point for expressing the modes of standing waves is understanding the boundary conditions that the waves must follow. The boundary conditions are derived from the physical understanding of how the standing waves are sustained, that is, how the vibrating particles of the medium behave at the boundaries imposed on them.
For a tube open at one end and closed at the other filled with air, the modes are such that there is always an antinode at the open end and a node at the closed end....
For a tube open at one end and closed at the other filled with air, the modes are such that there is always an antinode at the open end and a node at the closed end....
1.8K
Standing Waves in a Cavity
1.5K
A household microwave and lasers are examples of standing electromagnetic waves in a cavity. When two conducting metal plates are placed parallel at the nodal planes, it creates a cavity where standing waves are formed. The cavity between the two planes is analogous to a stretched string held at the points x = 0 and x = L. Here, the distance 'L' between the two planes must be an integer multiple of half of the wavelength. The wavelengths that satisfy this condition are given by:
1.5K

