Duodenum Mucosa Collection
Duodenum Mucosa Collection - Related Videos
07:49
Collection Protocol for Human Pancreas
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Cited by 32 •
2012
This video demonstrates a dissection procedure for processing human pancreas into multiple storage formats. Anatomical orientation is maintained throughout the pancreatic regions to allow definition of regional islet composition and density.
10:10
Robotic Duodenum-preserving Total Pancreatic Head Resection for Intraductal Papillary Mucinous Neoplasms
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2026
This protocol presents robotic duodenum-preserving total pancreatic head resection (R-DPPHRt) for intraductal papillary mucinous neoplasms (IPMNs). A video demonstrates the technique in a patient with main duct-IPMN, highlighting its feasibility as a minimally invasive, organ-preserving alternative to pancreaticoduodenectomy.
04:46
Isolation of Lymphocytes from Mouse Genital Tract Mucosa
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Cited by 10 •
2012
An efficient way to isolate lymphocytes from mouse genital tract is described. This method takes advantage of enzyme digestion and Percoll gradient separation to allow efficient isolation. This technique is also adaptable to for use in other...
06:16
Cryosectioning Method for Microdissection of Murine Colonic Mucosa
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Cited by 5 •
2015
Here we describe a simple method for the isolation of spatially distinct murine colonic epithelial surface cells from the underlying crypt-base cells.
06:38
A Novel Method for the Culture and Polarized Stimulation of Human Intestinal Mucosa Explants
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Cited by 16 •
2013
We introduce a novel method for the maintenance of human intestinal mucosa in culture and monitoring of the response to various types of stimuli over at least 24 hrs. With our method, the polarity of the tissue is maintained, allowing for a physiological stimulation via the apical route.
FAQs
Duodenal specimens can reveal inflammation, infection, malabsorption-related changes, and other gastrointestinal disorders. Their value comes from examining tissue or luminal material for disease-associated findings rather than relying only on visual inspection during endoscopy. These results can support diagnostic assessment, help characterize the disorder, and contribute to treatment planning in clinical medicine.
Histopathology examines the tissue structure and cellular changes, microbiological testing assesses infectious contributors, and molecular analysis evaluates relevant biological material at the molecular level. Using one or more of these approaches allows the same collection process to support different diagnostic questions. The selected analysis therefore influences what information the specimen can provide about gastrointestinal disease.
Standardized handling and preservation help maintain the specimen’s quality from collection through analysis. Poorly controlled processing can compromise the material available for histopathology, microbiological testing, or molecular analysis, reducing the reliability of the findings. Consistent procedures are therefore essential when results will be used for diagnosis, disease characterization, or research comparisons.
During upper gastrointestinal endoscopy, the clinician advances an instrument through the stomach into the duodenum and uses biopsy forceps to obtain small mucosal samples. The collection is directed at the lining rather than surrounding tissue, while the sampling approach is intended to limit unnecessary injury. This controlled access provides material for subsequent diagnostic or research analysis.
The workflow includes guiding the endoscopic instrument through the upper gastrointestinal tract, reaching the duodenum, obtaining small mucosal samples or luminal material, and transferring the specimens for appropriate analysis. Subsequent handling and preservation are part of the procedure because they help retain sample quality. The final laboratory pathway depends on whether histopathological, microbiological, or molecular assessment is needed.
Clinicians may use sampling when evaluation of inflammation, infection, malabsorption-related changes, or another gastrointestinal disorder requires material from the duodenal lining. Researchers can use the collected tissue or luminal material for disease characterization and analysis. In either setting, the findings can add evidence beyond the collection procedure itself and may support diagnostic decisions or treatment planning.