Most Common & ages & other shizz Flashcards

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1
Q

HCC (hepatoma) ages:

A

children >3yrs

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2
Q

_______ solid peds tumors are malignant

A

2/3

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3
Q

What is similar to HCC/hepatoma

A

hepatoblastoma

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4
Q

What is the most common pediatric liver mass

A

hepatoblastoma

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5
Q

Hepatoblastoma age

A

boys <5yrs

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6
Q

Triad of hepatoblastoma

A

hep tumor, inc AFP, thrombocytosis

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7
Q

Hepatitis occurs

A

1-2 mo after birth

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8
Q

What is the most common neonate liver mass

A

hemangioma

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9
Q

Hemangioendothelium occurs in kids

A

less than 6mo

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10
Q

Cavernous hemangioma occurs in

A

girls

evident by 2 mo

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11
Q

Mesenchymal hamartoma resembles _______ but _________

A

hemangioma, vascular

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12
Q

Adenoma is a/w:

A

glyc storage dx

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13
Q

Fibrolamellar HCC affects

A

teenager and young adults

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14
Q

Mesenchymal sarcoma occurs in

A

5-10 yr olds

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15
Q

What is the most common association with liver mets

A

neuroblastoma

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16
Q

___ is the most common cause of hep

A

A

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17
Q

Hep fibrosis is associated with

A

ARPKD

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18
Q

Hep cysts are a/w

A

MKPD and Von Hippel Lindau dx

or trauma

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19
Q

Rhabdomyosarcomas occur in

A

1-5yrs of age

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20
Q

2 major causes of conjugated hyperbilirubinemia in newborns

A

hep

ba

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21
Q

2 findings of BA

A

triangular cord sign

GB length <1.5cm or absence

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22
Q

What’s the 1st and 2nd mc cause of obstructive jaundice for neos

A

BA

rhabdomyosarcomas

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23
Q

What’s the 1st and 2nd mc cause of obstructive jaundice for kids

A

choledochal cyst

rhabdomyosarcomas

24
Q

What is the most common reason for evaluating aorta in neos

A

thrombus

25
Q

What are usually a/w enlarged lymphs

A

lymphoma, Wilm’s and neuroblastoma

26
Q

What is the most common presacral mass

A

sacrococcygeal teratoma

27
Q

Cystic fibrosis affects what organs

A

lungs, liver, kidneys, intestines, and panc

28
Q

Most of islet cell tumors are functioning or nonfunctioning

A

functioning

29
Q

Where are insulinomas located in panc

A

body and tail

30
Q

What’s considered a dilated panc duct

A

> 1.5mm

31
Q

Pathologic gastric wall

A

5-15mm

32
Q

Normal gastric wall

A

2.5-3.5mm

33
Q

Who does hypertrophic pyloric stenosis affect

A

first born males (u r at risk)

34
Q

When does HPS present by

A

1-2mos

35
Q

HPS sonographic sign

A

donut

36
Q

What’s the criteria of diagnosing HPS

A

AP of diameter- 1.5cm
length of antrum- 1.8cm
thickness- 4mm

37
Q

Meconium ileus is a/w

A

cystic fibrosis

38
Q

Sonographic sign of malrotation

A

whirlpool

39
Q

Most common type of intussusception

A

ileocolic

40
Q

Ages of intussuception

A

Boys 1-3yo

41
Q

Ages for Crohn’s dx

A

ages 10 or older

42
Q

Neuroblastoma vs. ganglioneuroma/neuroblastoma

A

the G’s are in older kids

43
Q

Adrenal cysts bilateral or uni

A

uni

44
Q

Measurements a/w CAH:

A

L->20mm

W->4mm

45
Q

of renal pyramids

A

8-18

46
Q

Renal pelvis should be _______ AP in supine

A

<10mm

47
Q

Renal agenesis facts:

A

uni m/c than bi
boys>girls
left

48
Q

Duplex kidneys are uni/bilateral

A

bi

49
Q

What’s the m/c cause of hydronephrosis

A

UPJ obstruction

50
Q

Dyplasia of the kidney is a/w

A

UT malformations

51
Q

What pathology is the key hole sign a/w

A

PUV

52
Q

What are 3 important things to determine when scanning abdominal masses

A

mets
origin of mass
extent of mass

53
Q

Wilm’s tumor age

A

3-4yrs

54
Q

What’s the m/c malignant tumor in peds patients

A

Wilm’s

55
Q

What is a/w angiomyolipoma

A

tuberous sclerosis