Pediatric Radiology Glossary
100 terms total — 24 showing — Last updated 15 Sep 2026
radiocapitellar line
An imaginary line drawn through the radial neck and head that should pass through the capitellum on all radiographic views.
pneumatosis intestinalis
Gas within the bowel wall appearing as linear or bubbly lucencies on radiographs, often indicating necrotizing enterocol...
pneumoperitoneum
Free air within the peritoneal cavity, which in pediatric patients often indicates gastrointestinal perforation requirin...
porencephalic cyst
A fluid-filled cavity in the brain parenchyma that communicates with the ventricular system or subarachnoid space, usual...
posterior urethral valves
Congenital obstructive membrane in the male posterior urethra causing bladder outlet obstruction and potential renal dam...
pyloric stenosis
Hypertrophic thickening of the pyloric muscle in infants causing gastric outlet obstruction, diagnosed primarily through...
radiocapitellar line
An imaginary line drawn through the radial neck and head that should pass through the capitellum on all radiographic vie...
rhabdomyosarcoma
The most common soft tissue sarcoma in children, arising from primitive mesenchymal cells that differentiate toward skel...
rickets
A metabolic bone disease in growing children caused by vitamin D, calcium, or phosphate deficiency, resulting in defecti...
sacrococcygeal teratoma
A congenital tumor arising from the coccyx, representing the most common tumor in newborns.
Salter-Harris fracture
Classification system for pediatric growth plate fractures, numbered I through V based on anatomical involvement and pro...
shaken baby syndrome
A form of abusive head trauma in infants characterized by subdural hematomas, retinal hemorrhages, and brain injury from...
skeletal survey
A comprehensive series of X-rays examining the entire skeleton, typically performed when child abuse is suspected.
Slipped capital femoral epiphysis
Displacement of the femoral head through the proximal femoral growth plate, most commonly affecting adolescents.
subglottic stenosis
Narrowing of the airway below the vocal cords, which can be congenital or acquired, causing stridor and respiratory dist...
TAPVC
Total anomalous pulmonary venous connection, a congenital heart defect where pulmonary veins connect abnormally to the s...
TAPVR
Total anomalous pulmonary venous return, a congenital heart defect where pulmonary veins connect abnormally.
TEF
Tracheoesophageal fistula, an abnormal connection between the trachea and esophagus occurring in newborns.
thyroglossal duct cyst
Congenital neck mass arising from remnants of the embryonic thyroglossal duct, typically appearing as a midline cystic l...
toddler's fracture
A subtle spiral fracture of the tibia in young children, often presenting with minimal clinical signs.
TORCH infections
A group of congenital infections (Toxoplasmosis, Other, Rubella, Cytomegalovirus, Herpes) that cause similar patterns of...
transposition of great arteries
A congenital heart defect where the aorta and pulmonary artery are switched, with the aorta arising from the right ventr...
VACTERL association
Constellation of congenital anomalies including vertebral, anal, cardiac, tracheoesophageal, renal, and limb defects occ...
VCFS
Velocardiofacial syndrome, a genetic disorder with characteristic cardiac, facial, and palatal abnormalities visible on...
VCUG
Voiding cystourethrogram - an X-ray examination of the bladder and urethra using contrast material to diagnose urinary t...