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.
Legg-Calvé-Perthes disease
Avascular necrosis of the femoral head in children, resulting in progressive deformity and potential hip dysfunction.
lymphangioma
Benign congenital malformation of lymphatic vessels appearing as multiloculated cystic masses, most commonly in the neck...
malrotation with midgut volvulus
Life-threatening surgical emergency where abnormal intestinal rotation allows the small bowel to twist around the superi...
Meckel scan
A nuclear medicine study using technetium-99m pertechnetate to detect ectopic gastric mucosa, primarily for diagnosing M...
meconium aspiration syndrome
A respiratory condition in newborns caused by inhalation of meconium-stained amniotic fluid, resulting in airway obstruc...
metaphyseal corner fracture
A characteristic fracture pattern at the growing end of long bones, highly specific for non-accidental trauma in infants...
metatarsus adductus
A common foot deformity in infants where the forefoot is angled inward toward the midline.
Monteggia fracture
A fracture of the ulnar shaft with dislocation of the radial head, requiring careful radiographic assessment.
myelomeningocele
The most severe form of spina bifida where the spinal cord and meninges protrude through a defect in the vertebral colum...
NEC
Necrotizing enterocolitis - a serious intestinal emergency in premature infants characterized by bowel wall necrosis and...
necrotizing enterocolitis
Serious gastrointestinal condition primarily affecting premature infants, characterized by intestinal inflammation and n...
neuroblastoma
A malignant tumor arising from neural crest cells, most commonly occurring in the adrenal glands and sympathetic nervous...
non-accidental trauma
Intentional injury to a child, requiring careful radiological evaluation for characteristic patterns and dating of injur...
omphalocele
Congenital midline abdominal wall defect where abdominal contents herniate through the umbilical ring and are covered by...
ossification centers
Areas where bone formation begins during skeletal development, with predictable timing patterns used to assess pediatric...
Osteochondroma
The most common benign bone tumor in children, characterized by a cartilage-capped bony protrusion from the metaphysis.
periventricular leukomalacia
White matter injury adjacent to the lateral ventricles, primarily affecting premature infants.
persistent left superior vena cava
Congenital vascular variant where the left superior vena cava fails to regress during development, often draining into t...
PFFD
Proximal focal femoral deficiency, a rare congenital anomaly involving underdevelopment of the upper portion of the femu...
PHACES syndrome
A neurocutaneous syndrome combining posterior fossa malformations, hemangiomas, arterial anomalies, cardiac defects, eye...
physiologic bowing
Normal developmental angulation of the legs in children that resolves spontaneously with growth.
PICC line placement
Interventional procedure involving insertion of a peripherally inserted central catheter for long-term venous access in...
pneumatic reduction
A minimally invasive radiological procedure using air pressure to treat intussusception by pushing the invaginated bowel...
pneumatocele
A thin-walled air-filled cyst in the lung, typically developing after pneumonia or trauma.