Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Pharmacokinetics in Pediatric Patients: Overview and Drug Absorption01:23

Pharmacokinetics in Pediatric Patients: Overview and Drug Absorption

133
Understanding the physiological differences in the pediatric population is crucial for effective pharmacotherapy. Neonates, infants, and children exhibit significant variations in gastric pH, gastric emptying time, intestinal transit time, and biliary function. These variations profoundly affect oral drug absorption, necessitating a nuanced approach to pediatric dosing.Neonates present with a unique physiological profile, having a gastric pH greater than 4 and faster and more irregular gastric...
133
Renewal of Intestinal Stem Cells01:23

Renewal of Intestinal Stem Cells

3.0K
The intestinal epithelial lining rapidly renews every 4 to 5 days. The renewal is facilitated by intestinal stem cells (ISCs) located at the base of the crypt– a gland located at the bottom of each villus. ISCs divide asymmetrically to form new stem cells and progenitor daughter cells. The daughter cells are called transit-amplifying (TA) cells which move upwards along the crypt and either differentiate into absorptive cells– the enterocytes or secretory cells– including the...
3.0K
Histology of the Small Intestine01:27

Histology of the Small Intestine

2.9K
The small intestine exhibits a unique histological structure that significantly enhances its function in digestion and nutrient absorption. These structures include circular folds, villi, and various specialized cells that collectively facilitate the digestion of food.
The intestinal lining features transverse folds called circular folds, each housing fingerlike projections known as intestinal villi. These villi are covered by a layer of simple columnar epithelium, also referred to as...
2.9K
Adult Stem Cells01:33

Adult Stem Cells

32.3K
Stem cells are undifferentiated cells that divide and produce more stem cells or progenitor cells that differentiate into mature, specialized cell types. All the cells in the body are generated from stem cells in the early embryo, but small populations of stem cells are also present in many adult tissues including the bone marrow, brain, skin, and gut. These adult stem cells typically produce the various cell types found in that tissue—to replace cells that are damaged or to continuously...
32.3K
Pharmacokinetics in Pediatric Patients: Drug Metabolism01:24

Pharmacokinetics in Pediatric Patients: Drug Metabolism

105
In pediatric care, understanding the nuances of hepatic drug metabolism is crucial, as it significantly differs from that of adults. This divergence is primarily due to the developmental stage of drug-metabolizing enzymes, which affects how medications are processed in the body. In neonates, for instance, the activity of Phase I enzymes—critical for the initial breakdown of drugs—is markedly reduced, functioning at just 20–40% of the levels seen in adults. This reduction poses...
105
Pleiotropy01:33

Pleiotropy

42.6K
Pleiotropy is the phenomenon in which a single gene impacts multiple, seemingly unrelated phenotypic traits. For example, defects in the SOX10 gene cause Waardenburg Syndrome Type 4, or WS4, which can cause defects in pigmentation, hearing impairments, and an absence of intestinal contractions necessary for elimination. This diversity of phenotypes results from the expression pattern of SOX10 in early embryonic and fetal development. SOX10 is found in neural crest cells that form melanocytes,...
42.6K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Rethinking the peyronie's disease questionnaire: a perspective on inclusivity in sexual health assessment.

International journal of impotence research·2025
Same author

Dupilumab in an adolescent with eosinophilic esophagitis and eosinophilic duodenitis, a valuable treatment option.

Acta gastro-enterologica Belgica·2025
Same author

Neonatal Cholestasis Progressing to a Multisystem Syndrome With Liver Cirrhosis in Two Siblings With FARSA Deficiency: An Evolving Hepatological Phenotype.

JIMD reports·2025
Same author

A case of paediatric seasonal eosinophilic oesophagitis.

Acta gastro-enterologica Belgica·2025
Same author

Familial chylomicronemia syndrome: a novel mutation in the lipoprotein lipase gene.

Acta gastro-enterologica Belgica·2024
Same author

Value of prolonged scrotal drainage after penile prosthesis implantation: a multicenter prospective nonrandomized pilot study.

International journal of impotence research·2023

Related Experiment Video

Updated: Dec 4, 2025

Generation of hiPSC-Derived Intestinal Organoids for Developmental and Disease Modelling Applications
06:34

Generation of hiPSC-Derived Intestinal Organoids for Developmental and Disease Modelling Applications

Published on: March 8, 2024

3.2K

Not all pediatric intestinal polyps are alike.

D Vermeulen1, M Van Winckel2, S Vande Velde2

  • 1Pediatrics, Ghent University Hospital, Ghent, Belgium.

Acta Gastro-Enterologica Belgica
|October 23, 2020
PubMed
Summary
This summary is machine-generated.

While most childhood intestinal polyps are benign, rare inherited syndromes require prompt diagnosis and management to prevent serious health risks. Early identification of genetic polyposis syndromes is crucial for reducing malignancy and mortality.

Keywords:
FAPLi Fraumenicancer predispositionjuvenile polypspolyposis syndrome

More Related Videos

Diagnosis of Hirschsprung's Disease by Immunostaining Rectal Suction Biopsies for Calretinin, S100 Protein and Protein Gene Product 9.5
05:45

Diagnosis of Hirschsprung's Disease by Immunostaining Rectal Suction Biopsies for Calretinin, S100 Protein and Protein Gene Product 9.5

Published on: April 26, 2019

13.9K
Conditional Reprogramming of Pediatric Human Esophageal Epithelial Cells for Use in Tissue Engineering and Disease Investigation
10:15

Conditional Reprogramming of Pediatric Human Esophageal Epithelial Cells for Use in Tissue Engineering and Disease Investigation

Published on: March 22, 2017

7.2K

Related Experiment Videos

Last Updated: Dec 4, 2025

Generation of hiPSC-Derived Intestinal Organoids for Developmental and Disease Modelling Applications
06:34

Generation of hiPSC-Derived Intestinal Organoids for Developmental and Disease Modelling Applications

Published on: March 8, 2024

3.2K
Diagnosis of Hirschsprung's Disease by Immunostaining Rectal Suction Biopsies for Calretinin, S100 Protein and Protein Gene Product 9.5
05:45

Diagnosis of Hirschsprung's Disease by Immunostaining Rectal Suction Biopsies for Calretinin, S100 Protein and Protein Gene Product 9.5

Published on: April 26, 2019

13.9K
Conditional Reprogramming of Pediatric Human Esophageal Epithelial Cells for Use in Tissue Engineering and Disease Investigation
10:15

Conditional Reprogramming of Pediatric Human Esophageal Epithelial Cells for Use in Tissue Engineering and Disease Investigation

Published on: March 22, 2017

7.2K

Area of Science:

  • Pediatric Gastroenterology
  • Clinical Genetics
  • Oncology

Background:

  • Intestinal polyps in children often present with painless rectal bleeding, but most are benign juvenile polyps.
  • Rare inherited polyposis syndromes carry a significant risk of intestinal and extra-intestinal malignancies.
  • Accurate diagnosis and management of these rare conditions are critical for patient outcomes.

Purpose of the Study:

  • To review the clinical presentation and diagnosis of intestinal polyps in pediatric patients.
  • To highlight the importance of identifying rare inherited polyposis syndromes.
  • To emphasize the need for appropriate follow-up to mitigate cancer risks.

Main Methods:

  • A retrospective database search of patients with intestinal polyps between 2016 and 2018.
  • Review of patient files for clinical manifestations and histopathology.
  • Literature search for red flags, genetic disorder probabilities, and diagnostic criteria for rare syndromes.

Main Results:

  • The study identified 30 juvenile polyps in 28 patients, along with cases of juvenile polyposis syndrome, Li Fraumeni syndrome, and familial adenomatous polyposis (FAP).
  • Different diagnoses have varying lifetime risks of malignancy, necessitating tailored management and surveillance strategies.
  • Histopathology and genetic testing are vital for diagnosing these syndromes in pediatric populations.

Conclusions:

  • Most childhood intestinal polyps are benign juvenile polyps requiring no specific follow-up.
  • Rare inherited polyposis syndromes must be considered and diagnosed to implement adequate surveillance.
  • Timely diagnosis and follow-up are essential for reducing morbidity and mortality associated with gastrointestinal and extraintestinal complications and malignancies.