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129 Cards in this Set
- Front
- Back
What should be considered with consolidation and adenopathy?
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TB
Measles Mono Anthrax |
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Ddx for anterior mediastinal masses?
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Thymic Hyperplasia
Lymphoma Germ cell(Teratoma) |
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Differential for middle mediastinal masses?
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Lymphadenopathy
Duplication cyst |
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Differential for posterior mediastinal masses?
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Neuroblastoma
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What types of children are prone to atelectasis?
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Ashthma
Viral bronchiolitis |
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Differential for patchy opacities?
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Staphy
Mycoplasma Opportunistic Aspiration Hemorrhage Edema |
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Differential of parahilar peibronchial opacities?
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Viral
Mycoplasma Pertussis(shaggy heart) Asthma CF |
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What is the complication of a large congenital diaphragmatic hernia?
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Pulmonary hypoplasia
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Various branching of right aortic arch?
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1. Mirror image
2. Duplicated arch- Right arch is bigger, higher up 3. Right arch with aberrant left subclavian – Diverticulum of Kommeral |
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ASD (3 types)
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1. Sinus venosus defects – associated with PAVR
2. Ostium secundum – centrally located 3. Ostium primum – Endocardial cushion – trisomy 21 |
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Differential for cardiomegaly, increased vascularity, non-cynanotic?
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1. ASD: enlarged RA, RV, PA
2. VSD(2nd most common to bicuspid aortic valve): most common- (RV enlargement, PA enlargement, vascularity, LA) 3. PDA: big LA, LV, Aorta |
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CXR – normal heart and intersitional thickening, ddx
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- Noncardiogenic edema
- Viral infection |
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Differential for venous congestion and normal heart size? (venous blockage)
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1. Hypoplasia left heart
2. Pulmonary vein atresia 3. TAPVR III 4. Cor triatriatum 5. Lymphangiectasia |
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Describe three types of TAPVR
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I. At brachiocephalic (Snowman heart)
II. At level of the heart (drains at level of heart, egg on a string) III. Below heart, has to go through diaphragm, obstructing vein and venous return |
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Difference between atrial flutter and atrial fibrillation
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- A flutter – RA problem – Maze procedure
- A fib – LA problem – do pulmonary vein ablation at ostia of pulmonary vein, can get pulm vein stenosis post procedure, similar to pulmonary vein atresia |
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Differential for increased shunt vascularity and cyanosis (4 Ts)
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1. Truncus arteriosis (higher association associated with right arch)
2. TAPVR, I, II (increased vessels in periphery, (not III), venous congestion 3. Transposition 4. Taussig Bin |
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Two types of transposition
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- D – deadly
- L – living |
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Differential for decreased vascularity, cyanotic child (2T’s)
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- TOF
- Tricuspid atresia – no communication from RA to RV(hypoplastic right heart) - Ebstein's |
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TOF
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- Pulmonary artery stenosis – infundibular/subvalvular
- RV Hypertrophy - Overriding aorta - VSD – high |
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What is an Ebstein Anomaly?
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Tricuspid valve is low – septal leaflet, too low, atrialization of RV
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What is Uhl’s anomaly?
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- Dysplastic RV
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Cause of supravalvular aortic stenosis?
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- Williams syndrome – facial dysmorphism, hypercalcemia
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Coarctation of the aorta is associated with?
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- Turner syndrome
- bicuspid aortic valve |
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What is cor triatriatum?
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- Obstructing web in RA
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Asplenia versus polysplenia
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- Asplenia(Bilateral right sided) - three lobes heart, 3 SVC
- Polysplenia(multiple splenis, 2 lobes, interrupted IVC, biliary atresia) |
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What do you use to measure Pectus excavatum and correct it?
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- Haller index – normal at 2.5
- Surgical procedure – Nuss, for greater than 3.2 |
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Most common cause of distal obstruction at 0-1 months?
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1. Meconium ileus/plug
2. Small left colon – large kids of diabetic mothers 3. Congenital – atresia, malrotation, Hirschsprung, volvulus |
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Where does intusseception usually start?
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- Usually start at the illeocecal valve from lymphoid hyperplasia
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Most common cause of distal obstruction in patients greater than 3 years old?
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1. Perforated appendicitis
2. Regional enteritis 3. Adhesions |
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Failure to pass NG tube – Differential
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1. Most common – atresia and tracheobronchial fistula
2. Isolated Atresia – no air in stomach bubble 3. Proximal esophageal fistula – no atresia – “H type” (trisomy 21) |
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What do you see in utero ultrasound in esophageal atresia?
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- Polyhydramnios
- No stomach bubble |
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Most common cause of GER?
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- Lax GE jcn
- Gastric outlet obstruction – spasm, stenosis, ulcer |
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How do you distinguish a peptic ulcer vs a Barrett ulcer?
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- Peptic – at GE jcn
- Barnett – more prox |
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Two types of gastric volvulus (check location of pylorus and GE junction)
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- Organoaxial
- Mesoaxial |
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What types of gastric volvulus in older vs young patients?
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1. Organoaxial – more common in old ladies
2. Mesoaxial – more prone in kids |
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What are the measurements of pyloric stenosis?
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- Rule of pi – 3 mm, 14 mm in length
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Where do you look for pyloric stenosis?
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- Under left lobe of the liver, roll on right side down and look for fluid to accumulate
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What is the caterpillar sign?
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- Hyperperistalsing stomach trying to get through a closed stomach in pyloric stenosis
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Types of bezoars
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- Tricho – hair – middle age nervous girl
- Lacto – milk - Phyto – veggie |
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Causes of double bubble sign?
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1. Duodenal atresia
2. Annular pancreas |
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If you see double bubble on plain film, what is differential? Obstruction
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If you see double bubble on plain film, what is differential? Obstruction
1. Malrotation/volvulus – ladd band, hi cecum, SMA/SMV, corkscrew 2. Hematoma (non accidental trauma, seat belt) 3. Diaphragm – web (2 and 3 are non surgical) |
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Ddx with distal obstruction in a neonate with dilated bowel loops?
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- Ileal atresia – air fluid levels
- Meconium ileus – medical management - Both with microcolon – water soluble enemia, if no reflux in TI – surgery |
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Early plain film findings of appendicitis?
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- Focal ileus
- Appendicolith – 10-15% incidental - Scoliosis with curvature toward appendix - Gasless – n/v |
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Diagnostic key for Hirschsprung’s disease?
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- Transition point – from small rectum to sigmoid colon
- Biopsy shows no ganglion cells |
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What is Hirschspring’s disease associated with?
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- Trisomy
- Congenital neuroblastoma |
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What diagnosis is considered if distal obstruction and abnormal sacrum?
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- Ectopic anus
- Imperforate anus |
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Ddx of failure to pass meconium after 24 hours?
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- Meconium ileus
- Meconium plug - Hirschspring’s dz - Small left colon-diabetic mothers - Ileal atresia |
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What is mesenteric adenitis/enteritis?
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- Lots of nodes, peristalsis
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What does meconium peritonitis?
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- Calcifications everywhere, performation in utero – calcifies over time.
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How do you treat meconium ileus?
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- Gastrograffin- hyperosmotic sucks water in
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What is ddx for cholestatic jaundice?
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- Bilary atresia
- Neonatal hepatitis |
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How do you exclude biliary atresia with a HIDA?
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- If tracer gets through into the bowel can excluse atresia, if the tracer does not get in bowel, can’t exclude either biliary atresia or neonatal hepatitis
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How do you rev up liver to do HIDA scan?
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- Give phenobarbitial
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If you see a GB on ultrasound, can you still have atresia?
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- Yes, do an intra-op cholangiogram to rule
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Differential diagnosis of rectal bleeding in children?
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- Juvenile inflammatory polyps(#1)
- Meckel’s - Intusseption - Fissure |
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What is primary megaureter?
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- Aperistaltic segment
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What are type syndromes with a large urinary bladder?
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1. Prune Belly syndrome(Eagle Barrett)
2. Megacystis microcolon hypoperistalsis |
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Describe Prune Belly syndrome(Eagle Barrett)?
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- No abdominal muscles
- Large bladder - Cryptorchidism |
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Discuss megacystis microcolon hypoperistalsis
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- Occurs in females
- Get bladder extrophy (see wide pubic symphysis on x-ray) |
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Where do rhabdomyosarcomas occur in males/females
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- Male – prostate/trigone
- Female – vagina |
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What part of the urethra is affected by posterior valves?
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- Distal prostatic – Keyhole Bladder
- Importance of getting voiding shot of males |
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What is the most common cause of bowel gas in the center on a plain film?
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- Hydronephrosis pushes bowel loops in
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Most common cause of calcified abdominal mass in a child < 5 years old?
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- Neuroblastoma – adrenal
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Ddx of abdominal masses in child < 5 years?
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- Neuroblastoma – adrenal
- Hemorrhage - Sequestration |
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Ddx of liver tumors in new borns?
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1. Hemangioendothelioma
2. Hepatoblastoma 3. Hamartoma |
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Differential of sacral masses in newborns?
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- Sacrococcygeal teratoma
- Neuroblastoma - Chordoma - Anterior meningocele |
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Differential for lower urinary tract obstruction and bilateral hydronephrosis in newborn females?
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1. Cloacal abnormality(#1)
2. Urogenital sinus 3. Megacystic microcolon hypoperistalsis |
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Differential for lower urinary tract obstruction and bilateral hydronephrosis in newborn males?
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1. Posterior urethral valves(#1)
2. Urethral atresia 3. Prune Belly(Eagle Barrett) |
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Types of Gastric volvulus?
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1. Mesoaxial - kids - short axis, pylorus to the left
2. Organoxaial - adults - longitudinal axis |
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What is associated with renal agenesis in females or males?
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Females
- uterine didelphus Males - Seminal vesicle cysts |
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Nephrocalcinosis - ddx
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Distal RTA
Medullary Sponge Kidney - Caroli HyperPTH Lasix |
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Most common abdominal mass in children?
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Hydronephrosis
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What is Scimitar Syndrome?
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- also known as hypogenetic lung syndrome
- pulmonary venolobar syndrome Pulmonary vein drains below heart Accessory diaphragm Absent IVC |
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Potter syndrome
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Bilateral renal agenesis
Pulomary hypoplasia |
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Differential for Oligohydramnios
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DRIPS
Demise Renal agenesis I P S |
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Two main causes of vascular rings?
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1. Double arch - R>L
2. R arch with aberrant left sublavian |
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Pulmonary sling
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- only vessel between tracheal and esophagus
-asssociated with complete cartilagenous rings of the trachea(napkin ring) |
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Ddx for hyperlucent lung?
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1. Foreign Body
2. Congenital lobar emphsemia 3. Bronchial atresia 4. Swyer James |
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Finger in glove?
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CF
ABPA Obstruction endobronchial tumor carcinoid bronchial atresia |
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Causes of pneumatoceles?
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Trauma
Infection(Pneumocystic pna) Hydrocarbon injection EG |
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Hallmark of surfactant deficiency?
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Low lung volumes
Premuature Granular glass opacity |
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Potential complications of positive pressure ventilation?
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Pneumothorax
Alveolar damage and ruptuures (Pulmonary interstitial emphysema, BPD) - persistent fetal circulation |
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What is appearance of retained fetal lung fluid?
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TTN
Streaky parahilar opacities |
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Ddx for Neonatal respiratory distress?
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CHIMPS
Cardiovascular HMD/RDS Immature Lung (Surfactant deficiency - low lung volumes) Meconium Aspiration P - Neonatal pneumonia Plus TTN |
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Meconimum aspiration? Mature or preterm infants?
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Won't see in preterm infants, not post term
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Pentology of Cantrell
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1. Omphalocele
2. Anterior diaphragmantic hernia 3. Sternal cleft 4. Ectopic cordis 5. Intracardiac defect(wither VSD or diverticulum of LV) |
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Newborn with jaundice Ddx
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Biliary atresia
Hepatitis |
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Dddx for abdominal masses in children?
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Renal (5%)
Wilm's Tumor Hydronephrosis Cystic Disease Hematoma Multilocular cystic nephroma Nephrobastomatosis(Precursor to Wilm's) |
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Weigert Meyer Rule
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Ectopic ureteral orific in upper pole moiety is inferor and medial to its normal pole location
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Duplex kidney
(rule of vowels and Consonants. |
Lower Pole
- Normal ureteral insertion. - Refluxes Upper Pole - Obstructs - Ectopic Insertion - Ureterocele |
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3 categories of testicular masses in Children?
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1. Germ Cell tumors
- Seminoma - Embryonal cell ca. - Teratoma - Yolk Sac Tumor - Choriocarcinoma 2. Stromal cell Tumors - Leydid - Sertolid - Gonadoblastoma 3. Mets Neuroblastoa Rhadomyosarcoma Ewing's |
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Common causes of Intestinal Obstruction in older children?
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Take AAIIMM
Adhesions Appendicitis Intussusection Incarcerated inguinal hernia Malrotation and volvulus Meckel's diverticulum |
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Prune Belly Syndrome (Eagle Barrett Syndrome)
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Triad
1. Hypoplasia of Abdominal Muscles 2. Cryptochordism 3. Abnormalities of the urinary tract |
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Wimberger corner sign?
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- most specific finding of syphyllis and consists of destruction of the medial portion of the proximal etaphysis of the tibia
- also in congenital get non specific metaphyseal lucent bands and persistent periosteal reaction along the shaft of the long bones. |
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Malformative anomalies (PHACES)
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Posterior fossa malformation
Hemangiomas Arterial Abnormalities Coarctation of the Aorta Eye Abnormalities |
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Traumatic Splenic Injury - Classsic Radiolographic Triad?
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1. Elevated left hemidiaphram
2. Pleural effusion 3. LLL atelectasis |
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Monteggia fracture?
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ulnar fracture with anterior radial head dislocation
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Jaffe-Campanacci Syndrome
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- multiple NOFs with extraskeletal congenital anomalies including cafe au lait spots
-mental retardation -hypogonadism or cryptorchidism -ocular abnormality -CV malformations |
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Crainipharyngioma (C cubed)
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Craniopharyngioma
Calcifications Cysts Contrast enhancement |
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Pleomorphic Xanthoastrocytoma
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- low grade astrocytic tumor often with leptomeningeal involvement
- most common in temoral lope 49% - corntially based - arise in periphery of hemisheres often with enhancing nodule abutting the pia arachnoid |
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Dysemembryoplastic Neuroepithelia tumor (DNET)
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- Cortically based benign mass
- High frequency of surrounding cortical dysplasia - presents with intractable seizures - 60 % temporal lobes -30% frontal lobes |
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Sistrunk procedure?
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Excisions of thyroglossal duct
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Holoprosencephaly - Endocrine dysfunction?
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75% have diabetes insipidus
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Asparinginase significance?
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Chemo drug in Hodgkins and non Hodgkin's lymphoma
- pancreatitis occures in 5010% of patients - may cause venous sinus thrombosis, leading to profound neuro deficits |
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Chest findings in Down's
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- Hypersegemtation of Sternum
- 11 rib pairs - postnatal subpleural lung cysts |
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Rickets x ray
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cuppining - expansion of metaphysis, may produce soft tissue swelling as a clinical resentartion (also responsible for rickety rosary - expansion of the metaphysis at the junction of bone and cartilage at the anterior ribs
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Most common renal tumor in newborns?
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Mesoblastic nephroma - benign course but requires resection for diagnostic confirmation
- could be a Wilm's tumor |
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What is myoclonic encephaliopathy of infancy?
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Paraneoplastic syndrome in neuroblastoma
-cerebellar ataxia and opsomyocluns, so-called dancing feet, dancing eyes", or is usually seen in thoracic primaries - only 50% pts with MEI have neuroblastoma |
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Characteristic behavior difference between neuroblastoma and Wilm's tumor?
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Neuro blastoma - tends to creep behand aorta and encases mesenteric and great vessels, in contrast to Wilm's
- neuroblastoma encases, Wilm''s displaces |
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Differential diagnosis for prenatal adrenal mass?
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1. Neuroblastoma
2. Pulmonary sequestration 3. Adrenal hemorrhage |
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Neuroenteric cyst - Discussion
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- rarest form of bronchopulmonary foregut malformations
- Embryologic - persistent connection between spinal canal and the primitive foregut that is thought to be due to splitting of the notochord - if notochord splits, endodermal lined gut can herniate through the gap, resulting in a cyst or fistula - may extend to and communicate with spinal canal - ***prevents the normal fusion of the anterior aspects of the thoracic vertebral bodies, leading to vertebral segmentation anomalies |
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Extralobar sequestration - drainage
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Directly into IVC or azygous system
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Intralobar Sequestration- drainage
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Dranate to pulmonary system and left atriaum, creating a left to left shunt
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Which type of sequestitration is associated with other congenital anomalies?
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- Congenital Diaphragmatic Hernia
- Congenital Heart disease -- CCAM |
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Which sequestration has its own pleura?
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Extralobar - separate, from the normal long and is invested in its own pleural layers
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Which type of sequestration is not discovered until adulthood?
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Intrealobar
- normal not to be diagnosed in children and older adults - extralobar usually present in first 6 months of life with cyanosis and other breathing difficulty |
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Shone's Syndrome?
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Multiple left lesided obstructive lesions with coarctation
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What ribs have inferior notching in Coaractation of aorta?
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Ribs 4-7 - intercostal arteries serve as collateral arteries from internal mammary arteries with retrograde flow to the descending aorta
- ribs 1-3 not involved because the intercostals at these levels arise from the thyrocervical trunk |
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Hyperlucent lung - How to differentiate congenital lobar emphysema from Swyer James?
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Swyer James
Swyer James - Small or normal sized lung - Bronchiectasis - Air trapping on expiration Congenital Lobar Emphysema - Overinflated lung - Gets resected because of mass effect - LUL, RML, RUL |
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Hydronephrosis in neonate - ddx
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Posterior urethral valves
VUR UPJ Obstruction Obstructed upper pole Duplex |
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Hernia of Littre
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Inclusion of Meckel's Diverticulum in a hernia
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VACTERL
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Vertebral anomalies
Anal atresia/imperforate anus Cardiovascular anomalies Tracheoesophageal fistula Renal anomalies Limb defects |
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UVC Catheter pathway
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Umbilical vein -->left portal vein --> ductus venosus --> middle or left hepatic vein -->IVC --> RA
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UAC Catheter Ideal high and low position
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High -T6-T10
Low - L3-L5 |
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UVC Catheter ideal position
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Just beyond IVC/RA
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Most common chromosomal abnormality with alobar holoprosencephaly
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Trisomy 13
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Strawberry shaped skull associated with?
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Trisomy 18
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Syndrome associated with clover leaf skull
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Thantophoric Dwarfism
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Spading sign?
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Overlapping skull Bones
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