• Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

Card Range To Study

through

image

Play button

image

Play button

image

Progress

1/129

Click to flip

Use LEFT and RIGHT arrow keys to navigate between flashcards;

Use UP and DOWN arrow keys to flip the card;

H to show hint;

A reads text to speech;

129 Cards in this Set

  • Front
  • Back
What should be considered with consolidation and adenopathy?
TB
Measles
Mono
Anthrax
Ddx for anterior mediastinal masses?
Thymic Hyperplasia
Lymphoma
Germ cell(Teratoma)
Differential for middle mediastinal masses?
Lymphadenopathy
Duplication cyst
Differential for posterior mediastinal masses?
Neuroblastoma
What types of children are prone to atelectasis?
Ashthma
Viral bronchiolitis
Differential for patchy opacities?
Staphy
Mycoplasma
Opportunistic
Aspiration
Hemorrhage
Edema
Differential of parahilar peibronchial opacities?
Viral
Mycoplasma
Pertussis(shaggy heart)
Asthma
CF
What is the complication of a large congenital diaphragmatic hernia?
Pulmonary hypoplasia
Various branching of right aortic arch?
1. Mirror image
2. Duplicated arch- Right arch is bigger, higher up
3. Right arch with aberrant left subclavian – Diverticulum of Kommeral
ASD (3 types)
1. Sinus venosus defects – associated with PAVR
2. Ostium secundum – centrally located
3. Ostium primum – Endocardial cushion – trisomy 21
Differential for cardiomegaly, increased vascularity, non-cynanotic?
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
CXR – normal heart and intersitional thickening, ddx
- Noncardiogenic edema
- Viral infection
Differential for venous congestion and normal heart size? (venous blockage)
1. Hypoplasia left heart
2. Pulmonary vein atresia
3. TAPVR III
4. Cor triatriatum
5. Lymphangiectasia
Describe three types of TAPVR
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
Difference between atrial flutter and atrial fibrillation
- 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
Differential for increased shunt vascularity and cyanosis (4 Ts)
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
Two types of transposition
- D – deadly
- L – living
Differential for decreased vascularity, cyanotic child (2T’s)
- TOF
- Tricuspid atresia – no communication from RA to RV(hypoplastic right heart)
- Ebstein's
TOF
- Pulmonary artery stenosis – infundibular/subvalvular
- RV Hypertrophy
- Overriding aorta
- VSD – high
What is an Ebstein Anomaly?
Tricuspid valve is low – septal leaflet, too low, atrialization of RV
What is Uhl’s anomaly?
- Dysplastic RV
Cause of supravalvular aortic stenosis?
- Williams syndrome – facial dysmorphism, hypercalcemia
Coarctation of the aorta is associated with?
- Turner syndrome
- bicuspid aortic valve
What is cor triatriatum?
- Obstructing web in RA
Asplenia versus polysplenia
- Asplenia(Bilateral right sided) - three lobes heart, 3 SVC
- Polysplenia(multiple splenis, 2 lobes, interrupted IVC, biliary atresia)
What do you use to measure Pectus excavatum and correct it?
- Haller index – normal at 2.5
- Surgical procedure – Nuss, for greater than 3.2
Most common cause of distal obstruction at 0-1 months?
1. Meconium ileus/plug
2. Small left colon – large kids of diabetic mothers
3. Congenital – atresia, malrotation, Hirschsprung, volvulus
Where does intusseception usually start?
- Usually start at the illeocecal valve from lymphoid hyperplasia
Most common cause of distal obstruction in patients greater than 3 years old?
1. Perforated appendicitis
2. Regional enteritis
3. Adhesions
Failure to pass NG tube – Differential
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)
What do you see in utero ultrasound in esophageal atresia?
- Polyhydramnios
- No stomach bubble
Most common cause of GER?
- Lax GE jcn
- Gastric outlet obstruction – spasm, stenosis, ulcer
How do you distinguish a peptic ulcer vs a Barrett ulcer?
- Peptic – at GE jcn
- Barnett – more prox
Two types of gastric volvulus (check location of pylorus and GE junction)
- Organoaxial
- Mesoaxial
What types of gastric volvulus in older vs young patients?
1. Organoaxial – more common in old ladies
2. Mesoaxial – more prone in kids
What are the measurements of pyloric stenosis?
- Rule of pi – 3 mm, 14 mm in length
Where do you look for pyloric stenosis?
- Under left lobe of the liver, roll on right side down and look for fluid to accumulate
What is the caterpillar sign?
- Hyperperistalsing stomach trying to get through a closed stomach in pyloric stenosis
Types of bezoars
- Tricho – hair – middle age nervous girl
- Lacto – milk
- Phyto – veggie
Causes of double bubble sign?
1. Duodenal atresia
2. Annular pancreas
If you see double bubble on plain film, what is differential? Obstruction
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)
Ddx with distal obstruction in a neonate with dilated bowel loops?
- Ileal atresia – air fluid levels
- Meconium ileus – medical management
- Both with microcolon – water soluble enemia, if no reflux in TI – surgery
Early plain film findings of appendicitis?
- Focal ileus
- Appendicolith – 10-15% incidental
- Scoliosis with curvature toward appendix
- Gasless – n/v
Diagnostic key for Hirschsprung’s disease?
- Transition point – from small rectum to sigmoid colon
- Biopsy shows no ganglion cells
What is Hirschspring’s disease associated with?
- Trisomy
- Congenital neuroblastoma
What diagnosis is considered if distal obstruction and abnormal sacrum?
- Ectopic anus
- Imperforate anus
Ddx of failure to pass meconium after 24 hours?
- Meconium ileus
- Meconium plug
- Hirschspring’s dz
- Small left colon-diabetic mothers
- Ileal atresia
What is mesenteric adenitis/enteritis?
- Lots of nodes, peristalsis
What does meconium peritonitis?
- Calcifications everywhere, performation in utero – calcifies over time.
How do you treat meconium ileus?
- Gastrograffin- hyperosmotic sucks water in
What is ddx for cholestatic jaundice?
- Bilary atresia
- Neonatal hepatitis
How do you exclude biliary atresia with a HIDA?
- 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
How do you rev up liver to do HIDA scan?
- Give phenobarbitial
If you see a GB on ultrasound, can you still have atresia?
- Yes, do an intra-op cholangiogram to rule
Differential diagnosis of rectal bleeding in children?
- Juvenile inflammatory polyps(#1)
- Meckel’s
- Intusseption
- Fissure
What is primary megaureter?
- Aperistaltic segment
What are type syndromes with a large urinary bladder?
1. Prune Belly syndrome(Eagle Barrett)
2. Megacystis microcolon hypoperistalsis
Describe Prune Belly syndrome(Eagle Barrett)?
- No abdominal muscles
- Large bladder
- Cryptorchidism
Discuss megacystis microcolon hypoperistalsis
- Occurs in females
- Get bladder extrophy (see wide pubic symphysis on x-ray)
Where do rhabdomyosarcomas occur in males/females
- Male – prostate/trigone
- Female – vagina
What part of the urethra is affected by posterior valves?
- Distal prostatic – Keyhole Bladder
- Importance of getting voiding shot of males
What is the most common cause of bowel gas in the center on a plain film?
- Hydronephrosis pushes bowel loops in
Most common cause of calcified abdominal mass in a child < 5 years old?
- Neuroblastoma – adrenal
Ddx of abdominal masses in child < 5 years?
- Neuroblastoma – adrenal
- Hemorrhage
- Sequestration
Ddx of liver tumors in new borns?
1. Hemangioendothelioma
2. Hepatoblastoma
3. Hamartoma
Differential of sacral masses in newborns?
- Sacrococcygeal teratoma
- Neuroblastoma
- Chordoma
- Anterior meningocele
Differential for lower urinary tract obstruction and bilateral hydronephrosis in newborn females?
1. Cloacal abnormality(#1)
2. Urogenital sinus
3. Megacystic microcolon hypoperistalsis
Differential for lower urinary tract obstruction and bilateral hydronephrosis in newborn males?
1. Posterior urethral valves(#1)
2. Urethral atresia
3. Prune Belly(Eagle Barrett)
Types of Gastric volvulus?
1. Mesoaxial - kids - short axis, pylorus to the left
2. Organoxaial - adults - longitudinal axis
What is associated with renal agenesis in females or males?
Females
- uterine didelphus
Males
- Seminal vesicle cysts
Nephrocalcinosis - ddx
Distal RTA
Medullary Sponge Kidney - Caroli
HyperPTH
Lasix
Most common abdominal mass in children?
Hydronephrosis
What is Scimitar Syndrome?
- also known as hypogenetic lung syndrome
- pulmonary venolobar syndrome
Pulmonary vein drains below heart
Accessory diaphragm
Absent IVC
Potter syndrome
Bilateral renal agenesis
Pulomary hypoplasia
Differential for Oligohydramnios
DRIPS
Demise
Renal agenesis
I
P
S
Two main causes of vascular rings?
1. Double arch - R>L
2. R arch with aberrant left sublavian
Pulmonary sling
- only vessel between tracheal and esophagus
-asssociated with complete cartilagenous rings of the trachea(napkin ring)
Ddx for hyperlucent lung?
1. Foreign Body
2. Congenital lobar emphsemia
3. Bronchial atresia
4. Swyer James
Finger in glove?
CF
ABPA
Obstruction endobronchial tumor carcinoid
bronchial atresia
Causes of pneumatoceles?
Trauma
Infection(Pneumocystic pna)
Hydrocarbon injection
EG
Hallmark of surfactant deficiency?
Low lung volumes
Premuature
Granular glass opacity
Potential complications of positive pressure ventilation?
Pneumothorax
Alveolar damage and ruptuures (Pulmonary interstitial emphysema, BPD)
- persistent fetal circulation
What is appearance of retained fetal lung fluid?
TTN
Streaky parahilar opacities
Ddx for Neonatal respiratory distress?
CHIMPS
Cardiovascular
HMD/RDS
Immature Lung (Surfactant deficiency - low lung volumes)
Meconium Aspiration
P - Neonatal pneumonia

Plus TTN
Meconimum aspiration? Mature or preterm infants?
Won't see in preterm infants, not post term
Pentology of Cantrell
1. Omphalocele
2. Anterior diaphragmantic hernia
3. Sternal cleft
4. Ectopic cordis
5. Intracardiac defect(wither VSD or diverticulum of LV)
Newborn with jaundice Ddx
Biliary atresia
Hepatitis
Dddx for abdominal masses in children?
Renal (5%)
Wilm's Tumor
Hydronephrosis
Cystic Disease
Hematoma
Multilocular cystic nephroma
Nephrobastomatosis(Precursor to Wilm's)
Weigert Meyer Rule
Ectopic ureteral orific in upper pole moiety is inferor and medial to its normal pole location
Duplex kidney
(rule of vowels and Consonants.
Lower Pole
- Normal ureteral insertion.
- Refluxes

Upper Pole
- Obstructs
- Ectopic Insertion
- Ureterocele
3 categories of testicular masses in Children?
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
Common causes of Intestinal Obstruction in older children?
Take AAIIMM
Adhesions
Appendicitis
Intussusection
Incarcerated inguinal hernia
Malrotation and volvulus
Meckel's diverticulum
Prune Belly Syndrome (Eagle Barrett Syndrome)
Triad
1. Hypoplasia of Abdominal Muscles
2. Cryptochordism
3. Abnormalities of the urinary tract
Wimberger corner sign?
- 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.
Malformative anomalies (PHACES)
Posterior fossa malformation
Hemangiomas
Arterial Abnormalities
Coarctation of the Aorta
Eye Abnormalities
Traumatic Splenic Injury - Classsic Radiolographic Triad?
1. Elevated left hemidiaphram
2. Pleural effusion
3. LLL atelectasis
Monteggia fracture?
ulnar fracture with anterior radial head dislocation
Jaffe-Campanacci Syndrome
- multiple NOFs with extraskeletal congenital anomalies including cafe au lait spots
-mental retardation
-hypogonadism or cryptorchidism
-ocular abnormality
-CV malformations
Crainipharyngioma (C cubed)
Craniopharyngioma
Calcifications
Cysts
Contrast enhancement
Pleomorphic Xanthoastrocytoma
- 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
Dysemembryoplastic Neuroepithelia tumor (DNET)
- Cortically based benign mass
- High frequency of surrounding cortical dysplasia
- presents with intractable seizures
- 60 % temporal lobes
-30% frontal lobes
Sistrunk procedure?
Excisions of thyroglossal duct
Holoprosencephaly - Endocrine dysfunction?
75% have diabetes insipidus
Asparinginase significance?
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
Chest findings in Down's
- Hypersegemtation of Sternum
- 11 rib pairs
- postnatal subpleural lung cysts
Rickets x ray
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
Most common renal tumor in newborns?
Mesoblastic nephroma - benign course but requires resection for diagnostic confirmation
- could be a Wilm's tumor
What is myoclonic encephaliopathy of infancy?
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
Characteristic behavior difference between neuroblastoma and Wilm's tumor?
Neuro blastoma - tends to creep behand aorta and encases mesenteric and great vessels, in contrast to Wilm's
- neuroblastoma encases, Wilm''s displaces
Differential diagnosis for prenatal adrenal mass?
1. Neuroblastoma
2. Pulmonary sequestration
3. Adrenal hemorrhage
Neuroenteric cyst - Discussion
- 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
Extralobar sequestration - drainage
Directly into IVC or azygous system
Intralobar Sequestration- drainage
Dranate to pulmonary system and left atriaum, creating a left to left shunt
Which type of sequestitration is associated with other congenital anomalies?
- Congenital Diaphragmatic Hernia
- Congenital Heart disease
-- CCAM
Which sequestration has its own pleura?
Extralobar - separate, from the normal long and is invested in its own pleural layers
Which type of sequestration is not discovered until adulthood?
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
Shone's Syndrome?
Multiple left lesided obstructive lesions with coarctation
What ribs have inferior notching in Coaractation of aorta?
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
Hyperlucent lung - How to differentiate congenital lobar emphysema from Swyer James?
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
Hydronephrosis in neonate - ddx
Posterior urethral valves
VUR
UPJ Obstruction
Obstructed upper pole Duplex
Hernia of Littre
Inclusion of Meckel's Diverticulum in a hernia
VACTERL
Vertebral anomalies
Anal atresia/imperforate anus
Cardiovascular anomalies
Tracheoesophageal fistula
Renal anomalies
Limb defects
UVC Catheter pathway
Umbilical vein -->left portal vein --> ductus venosus --> middle or left hepatic vein -->IVC --> RA
UAC Catheter Ideal high and low position
High -T6-T10
Low - L3-L5
UVC Catheter ideal position
Just beyond IVC/RA
Most common chromosomal abnormality with alobar holoprosencephaly
Trisomy 13
Strawberry shaped skull associated with?
Trisomy 18
Syndrome associated with clover leaf skull
Thantophoric Dwarfism
Spading sign?
Overlapping skull Bones