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.
ALARA
As Low As Reasonably Achievable - radiation safety principle particularly critical in pediatric imaging due to children'...
ALTE
Apparent life-threatening event, an episode that is frightening to the observer and characterized by some combination of...
appendicolith
A calcified deposit within the appendix that appears as a characteristic rim-like calcification on imaging and may predi...
arterial switch operation
Surgical procedure to correct transposition of great arteries by switching the aorta and pulmonary artery to their anato...
Blount disease
A growth disorder affecting the medial aspect of the proximal tibial growth plate, causing progressive genu varum deform...
bone age assessment
Radiological evaluation of skeletal maturation using standardized atlases to determine if bone development matches chron...
bowel gas pattern
Distribution and appearance of gas within intestinal loops on abdominal radiographs, crucial for diagnosing pediatric in...
bronchogram sign
Radiological finding where air-filled bronchi remain visible within consolidated lung tissue, indicating preserved airwa...
bronchopulmonary dysplasia
Chronic lung disease in premature infants characterized by abnormal lung development and requiring prolonged oxygen supp...
bucket handle fracture
A specific type of metaphyseal corner fracture appearing as a curved lucency along the metaphyseal edge, highly suspicio...
CCAM
Congenital cystic adenomatoid malformation, a developmental lung abnormality with cystic and solid components.
CDH
Congenital diaphragmatic hernia, a developmental defect allowing abdominal organs to herniate into the thoracic cavity.
CHARGE syndrome
Genetic syndrome characterized by Coloboma, Heart defects, Atresia choanae, Retarded growth, Genital abnormalities, and...
choanal atresia
Congenital blockage of the posterior nasal passages, which can cause severe respiratory distress in newborns who are obl...
choledochal cyst
Congenital cystic dilatations of the biliary tree classified into five types, commonly presenting in childhood with abdo...
cloaca
A rare complex anorectal malformation where the rectum, vagina, and urinary tract merge into a single common channel.
coarctation of aorta
A congenital narrowing of the aorta, typically occurring near the ligamentum arteriosum, causing upper body hypertension...
coil embolization
Minimally invasive procedure using metallic coils to block blood vessels or abnormal vascular connections in pediatric p...
contrast enema
Fluoroscopic examination using contrast material introduced through the rectum to evaluate colonic anatomy and motility...
coxa vara
Abnormal decrease in the neck-shaft angle of the femur, resulting in a more horizontal femoral neck.
craniopharyngioma
A benign but locally aggressive tumor arising from remnants of Rathke's pouch in the sellar and suprasellar regions.
craniosynostosis
Premature fusion of one or more cranial sutures resulting in abnormal skull shape and potential increased intracranial p...
cystic fibrosis
A genetic disorder affecting multiple organ systems, with characteristic chest imaging findings requiring specialized pe...
Dandy-Walker malformation
A congenital brain malformation characterized by hypoplasia of the cerebellar vermis and cystic enlargement of the fourt...