Pediatric Gastroenterology Glossary
100 terms total — 24 showing — Last updated 15 Sep 2026
Alagille syndrome
A genetic disorder affecting the liver, heart, and other organs, characterized by bile duct paucity.
mucosectomy
Surgical removal of mucosa, particularly used in pull-through procedures for anorectal malformations.
necrotizing enterocolitis
Life-threatening inflammatory condition of the intestines primarily affecting premature infants, causing tissue death an...
omphalocele
Congenital abdominal wall defect where abdominal organs protrude through the umbilical cord base, covered by a membrane.
pancreatic divisum
A congenital anatomical variant where the pancreatic ducts fail to fuse during development.
pancreatic pseudocyst
Fluid collection in or around the pancreas following pancreatitis or trauma.
pancreaticoduodenectomy
Surgical removal of the pancreatic head, duodenum, and surrounding structures.
PCDAI
Modified scoring system specifically designed to assess Crohn's disease activity in pediatric patients.
PEG tube
Percutaneous endoscopic gastrostomy tube; feeding device placed through the abdominal wall into the stomach.
PFIC
Progressive familial intrahepatic cholestasis, a group of genetic disorders causing progressive liver disease in childre...
pouchitis
Inflammatory condition affecting the ileal pouch after pouch-anal anastomosis surgery.
primary anastomosis
Surgical connection of bowel segments performed at the initial operation without temporary diversion.
proctocolectomy
Surgical removal of the entire colon and rectum, often performed for severe inflammatory bowel disease.
protein-losing enteropathy
A condition characterized by excessive loss of proteins through the gastrointestinal tract.
PSARP
A surgical approach for repairing anorectal malformations through the posterior sagittal plane to optimize anatomical re...
pseudo-obstruction
A condition mimicking mechanical bowel obstruction without an anatomical blockage, due to dysmotility.
pull-through procedure
Surgical technique where healthy bowel is pulled down through the anus to restore normal anatomy.
pyloric stenosis
Thickening of the pyloric muscle causing gastric outlet obstruction, typically presenting in infants with projectile vom...
rectal biopsy
Tissue sampling procedure used to diagnose Hirschsprung disease by evaluating ganglion cell presence in bowel wall.
serial transverse enteroplasty
Bowel lengthening procedure using sequential transverse cuts to increase intestinal length and surface area.
short gut syndrome
A malabsorptive condition resulting from surgical resection or congenital absence of significant small bowel length.
SIBO
Condition characterized by excessive bacterial growth in the small intestine leading to malabsorption.
STEP procedure
Surgical lengthening technique for short bowel syndrome that increases absorptive surface area.
stoma revision
Surgical modification of an existing ostomy to correct complications or dysfunction.
TEF
Abnormal connection between the trachea and esophagus, requiring urgent surgical correction in newborns.