Related Experiment Video
Updated: May 31, 2026
06:57
Development of an Antigen-driven Colitis Model to Study Presentation of Antigens by Antigen Presenting Cells to T Cells
Published on: September 18, 2016
Abdominal cocoon: a unique presentation in an immunodeficient infant
Lorna P Browne1, Jigar Patel, R Paul Guillerman
1Edward B Singleton Department of Pediatric Radiology, Baylor College of Medicine and Texas Children's Hospital, 6621 Fannin St., MC-2251, Houston, TX 77030, USA. lxbrowne@texaschildrenshospital.org
Pediatric Radiology
|June 30, 2011
Summary
Abdominal cocoon is a rare condition causing intermittent bowel obstruction. This case highlights unique infant imaging findings for this diagnostic challenge.
Area of Science:
- Pediatric Surgery
- Radiology
- Gastroenterology
Background:
- Abdominal cocoon is a rare congenital disorder characterized by a fibrous cocoon encasing the small intestine.
- It can lead to intermittent small bowel obstruction, posing diagnostic challenges, especially in infants.
Observation:
- This report details a unique case of abdominal cocoon presenting in an infant.
- The presentation involved intermittent symptoms suggestive of small bowel obstruction.
Findings:
- The study focuses on the specific imaging findings associated with this rare condition in an infant.
- Detailed radiological features are presented to aid in diagnosis.
Implications:
- Early and accurate diagnosis of abdominal cocoon is crucial for timely surgical intervention.
- Understanding the imaging characteristics can improve diagnostic rates in infants with suspected bowel obstruction.
Related Concept Videos
01:22Development of Immunocompetence
The initiation of cell-mediated immunity can be observed as early as the third month of fetal growth, with active antibody-mediated immunity following approximately one month later.
The initial cells that migrate from the fetal thymus settle within the skin and epithelial tissues lining the mouth, digestive tract, and in females, the uterus and vagina. These cells, including skin-based dendritic cells, serve as antigen-presenting cells, playing a key role in T cell activation.
Subsequent T...
The initial cells that migrate from the fetal thymus settle within the skin and epithelial tissues lining the mouth, digestive tract, and in females, the uterus and vagina. These cells, including skin-based dendritic cells, serve as antigen-presenting cells, playing a key role in T cell activation.
Subsequent T...
01:25Immunodeficiency Diseases
Immunodeficiency disorders are conditions in which the immune system's ability to fight infectious disease and cancer is compromised or entirely absent. The immune system comprises a complex network of cells, tissues, and organs that work together to protect the body from potentially harmful invaders. When this system is deficient or not functioning properly, it leaves the body susceptible to infections, diseases, or other complications.
There are three main causes of immunodeficiency disorders...
There are three main causes of immunodeficiency disorders...
01:15Transcytosis of IgG
Transcytosis is the process in which molecules are internalized by endocytosis, transported across the cell, and released through exocytosis from the opposite end of the cell. Molecules such as insulin, immunoglobulins, and certain nutrients are transferred through the recycling endosomes by recycling and transcytosis.
IgG molecules from a mother undergo transcytosis starting around 13 weeks of gestation. The amount of IgG transferred and entering the fetal blood circulation increases with...
IgG molecules from a mother undergo transcytosis starting around 13 weeks of gestation. The amount of IgG transferred and entering the fetal blood circulation increases with...
01:20Special Features of Adaptive Immunity
The adaptive immune system, a crucial component of the overall immune response, offers a highly specialized defense against pathogens. It involves specific cell types and features, enabling it to combat infections effectively and efficiently.
The primary cell types involved in adaptive immunity are T cells and B cells. Each type has a unique role in defending the body against pathogens. T cells are responsible for cell-mediated immunity. They identify and eliminate infected cells directly,...
The primary cell types involved in adaptive immunity are T cells and B cells. Each type has a unique role in defending the body against pathogens. T cells are responsible for cell-mediated immunity. They identify and eliminate infected cells directly,...
01:27Cryptococcal Meningitis
Cryptococcal meningitis is a life-threatening opportunistic infection predominantly associated with HIV/AIDS, accounting for over 100,000 deaths annually worldwide. However, it also affects individuals with other forms of immunosuppression, including those undergoing immunosuppressive therapy, organ transplant recipients, patients with innate immunodeficiencies, and individuals with hematological disorders. The infection is caused mainly by Cryptococcus neoformans and Cryptococcus gattii,...
01:20Inflammatory Bowel Disease IV: Clinical Manifestations
Inflammatory bowel disease (IBD) encompasses two major chronic disorders—ulcerative colitis and Crohn’s disease—each characterized by relapsing episodes of gastrointestinal inflammation. Although they share certain clinical features, their patterns of involvement and manifestations differ in ways that aid diagnosis and guide management.Ulcerative ColitisUlcerative colitis is limited to the colon and rectum and involves continuous inflammation of the mucosal layer. The disease course is marked...