OST Module 5 Flashcards
Cause of death in perinatal ARPKD
Respiratory compromise
Dandy-walker malformation vs variant
Malformation has enlargement of the posterior fossa.
Pancreas Divisum ductal anatomy
Longer dorsal duct drains via minor papilla.
shorter ventral duct drains via major papilla
Correct central line position in neonate
Superior to level of carina
Ix for skeletal mets in neuroblastoma
MIBG
Normal atlanto-dens interval
3mm in adults, 5mm in kids
Neonatal hepatitis vs biliary atresia
Needs HIDA, hepatitis will show eventual gut activity
BPD vs PIE
BPD tends to occur later and more gradually.
Meconium plug syndrome
Normal mucosa.
Calibre change in colon at level of plug.
approx 1 week old, delayed passage of meconium
SUFE vs Perthes
Widening of physis vs widening of joint space
Moyamoya MRI
Multiple flow voids in basal ganglia bilateraly
Commonest fracture associated with posterior elbow dislocation (paeds)
Medial epicondyle
Most useful US finding of acute pancreatitis in kids
Duct dilatation
bilateral seminal vesicle agenesis associated with
CF
Pleomorphic adenoma
Commonest benign salivary gland tumour in kids.
Hypoechoic, calcified and mildly enhancing
Diaphyseal aclasia
Multiple hereditary osteochondromas
Bicornate vs septate uterus
Bicornate has intercornual distance of >4cm
Absent corpus callosum, additional associations
Absent septum pellucidum, colpocephaly, high riding 3rd ventricle, wide interhemispheric fissure and delayed sulcation
Most consistent US finding in ovarian torsion
Enlarged ovary
