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CORE > Peds Airway > Flashcards

Peds Airway Flashcards

1
Q

upper airway obstruction –> congenital cause? (1)

A

choanal atresia

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2
Q

upper airway obstruction –> neoplastic cause? (1)

A

rhabdomyosarcoma

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3
Q

upper airway obstruction –> infectious cause? (1)

A

peritonsillar abscess

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4
Q

choanal atresia –> can be what tissue type? (3)

A
  • osseous
  • membranous
  • mixed
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5
Q

choanal atresia –> MC tissue type? 2nd MC?

A 
#1 mixed
#2 osseous
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6
Q

choanal atresia –> MC assoc synd?

A

CHARGE synd

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7
Q

CHARGE synd –> synd?

A
  • coloboma
  • heart defect
  • atresia choanae
  • retard of developmt
  • GU anomaly
  • ear anomaly
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8
Q

Juvenile nasopharyngeal angiofibroma –> epidemiology?

A

adolescent M

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9
Q

Juvenile nasopharyngeal angiofibroma –> what is it?

A

benign hamartomatous lesion –> highly vascular

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10
Q

large invasive nasopharyngeal soft tissue mass –> ddx? (2) how to differentiate?

A
  • juvenile nasopharyngeal angiofibroma –> bony remodeling

- rhabdomyosarcoma –> bony destruction

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11
Q

epiglottitis –> classic XR findings? (2)

A
  • thickened epiglottis (thumbprint sign)

- thickened aryepiglottic folds

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12
Q

croup –> purpose of imaging? why?

A

clinical dx –> eval for other causes of stridor

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13
Q

aspirated FB is radiolucent –> XR finding of aspirated FB? (1)

A

air trapping –> persistent expansion on expiration

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14
Q

what is retropharyngeal pseudothickening?

A

pre-vertebral soft tissues appear thickened:

  • neck flexion
  • not true lat film
  • expiration
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15
Q

neck soft tissue XR –> prevertebral soft tissue thickening –> ddx? (3)

A
  • retropharyngeal cellulitis/abscess
  • lymphoma
  • duplication cyst
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16
Q

10yo –> steeple sign –> dx?

A

exudative tracheitis (membranous croup)

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17
Q

exudative tracheitis (membranous croup) –> imaging –> steeple sign –> other imaging findings? (2)

A
  • linear filling defect in trachea

- plaque-like irreg of trachea wall

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18
Q

MC pediatric subglottic tracheal mass

A

subglottic hemangioma

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19
Q

laryngeal papillomatosis –> possible complication?

A

seed the lungs –> mult cavitary nodules

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20
Q

what is tracheobronchomalacia?

A

weak tracheobronchial cartilage –> excessive collapse w expiration

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21
Q

tracheobronchomalacia –> congenital or acquired?

A

either

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22
Q

what are some causes of acquired tracheobronchomalacia? (3)

A
  • intubation
  • infection
  • chronic inflamm
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23
Q

tracheobronchomalacia –> imaging finding?

A

> 50% reduction of airway lumen

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24
Q

stridor –> what is a vascular ring?

A

aortic arch or great vessels –> completely encircle trachea & esophagus

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25
Q

stridor –> what is a vascular sling?

A

L pulm A –> arise from R pulm A –> trap trachea in a sling

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26
Q

stridor –> CXR –> what finding gives clue to possible vascular etiology?

A

R sided aortic arch

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27
Q

stridor –> vascular cause –> typical initial imaging?

A

esophagram

28
Q

stridor –> normal L-sided aortic arch –> what is the only potential vascular cause for the stridor?

A

pulmonary A sling

29
Q

stridor –> vascular etiology? (3)

A
  • double aortic arch
  • R aortic arch –> aberrant subclavian A
  • pulmonary sling
30
Q

MC vascular ring?

A

double aortic arch

31
Q

what is Kommerell diverticulum?

A

bulbous configuration of the origin of an aberrant left subclavian artery in the setting of a right-sided aortic arch

32
Q

pulmonary sling –> assoc w what kind of tracheal anomaly? (2)

A
  • tracheomalacia

- bronchus suis

33
Q

what is bronchus suis?

A

RUL bronchus originating from trachea

34
Q

normal aortic arch –> aberrant R subclavian A –> possible complication?

A

dysphagia lusoria

35
Q

resp distress while feeding –> dx?

A

choanal atresia

36
Q

prenasal space –> dural membrane –> not regress –> dx?

A

prenasal space –> congenital dermal sinus

37
Q

prenasal space –> congenital dermal sinus –> potential complication? (2)

A
  • epi/dermoid cyst –> anywhere along tract

- encephalocele

38
Q

prenasal space –> congenital dermal sinus –> midline or sagittal? change in size w Valsalva?

A
  • midline

- not change size

39
Q

prenasal space –> congenital dermal sinus –> location of communication to intracranial space?

A

foramen cecum

40
Q

what is nasal glioma?

A

brain in nose

41
Q

nasal glioma –> imaging appearance?

A
  • infant –> nose –> soft tissue mass

- not enhance

42
Q

nasal glioma –> change in size w Valsalva?

A

no

43
Q

prenasal space –> congenital dermal sinus –> encephalocele –> assoc?

A

midline anomalies:

  • facial cleft
  • callosal anomaly
  • interhemispheric lipoma
44
Q

differentiate: prenasal space congenital dermal sinus encephalocele vs dacryocystocele –> what happens to NG tube?

A

encephalocele: displaced lat
dacyrocystocele: displace med

45
Q

prenasal space –> congenital dermal sinus –> encephalocele –> change in size w Valsalva?

A

yes

46
Q

neonate –> nasal obstruct –> 2 MCC?

A 
#1 choanal atresia
#2 dacryocystocele
47
Q

dacryocystocele –> MOA?

A

nasolacrimal duct –> congenital obstruct –> cyst form

48
Q

dacryocystocele –> potential complication?

A

infx –> dacryocystitis

49
Q

croup –> org?

A

parainfluenza virus

50
Q

croup –> age?

A

6mo-3yo (avg 1yo)

51
Q

what is omega epiglottis?

A

oblique xray –> epiglottis look enlrg

52
Q

differentiate: epiglottitis vs omega epiglottis? (1)

A

epiglottitis –> thickened aryepiglottic folds

omega epiglottis –> normal aryepiglottic folds

53
Q

epiglottitis –> age?

A
  • 3.5yo

- teens

54
Q

exudative tracheitis (bacterial tracheitis) –> org?

A

Staph aureus

55
Q

exudative tracheitis (bacterial tracheitis) –> age?

A

6-10yo

56
Q

imaging to differentiate true prevertebral soft tissue thickening vs retropharyngeal pseudothickening?

A

repeat XR –> extend neck

57
Q

subglottic hemangioma –> favor R or L?

A

L

58
Q

subglottic hemangioma –> assoc? (2)

A
  • cutaneous hemangioma

- PHACES synd

59
Q

PHACES synd –> synd?

A
  • post fossa –> Dandy Walker
  • hemangioma
  • arterial anomaly
  • coarct of aorta, cardiac defect
  • eye abn
  • subglottic hemangioma/sternal cleft/supraumbilical raphe
60
Q

what is laryngeal cleft

A

defect –> comm bw –> larynx & esophagus

61
Q

laryngeal cleft –> assoc? (1)

A

other complex GI malform

62
Q

esophagram –> laryngeal cleft –> next step?

A

endoscopy –> confirm

63
Q

lungs –> mult areas of air trapping –> dx?

A

papillomatosis

64
Q

airway –> lobulated grape-like lesion –> dx?

A

papillomatosis

65
Q

suspect epiglottitis –> XR –> in rad dept or portable?

A

portable

CORE (33 decks)

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