Liver Part 1 P2 Flashcards

1
Q

Developmental congenital anomalie is

A

Agenesis

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2
Q

Agensis of complete liver is

A

Incompatible with life

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3
Q

What normall occurs with partial agenesis

A

One lobe-compensatory hypertrophy normally occurs

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4
Q

2 position congenital anomalies of position

A

Situs inversus totalis

Congenital diaphragmatic hernia or omphalocele

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5
Q

Situs inversus totalis is

A

Liver is found in left hypochondrium

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6
Q

Congenitial diaphramatic hernia / omphalocele is

A

Liver may herniate into thorax or outside abdominal cavity

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7
Q

Benign hepatic neoplasms (7)

A
Granulomas 
Hamartomas 
Cysts 
Cavernous hemangioma 
FNH - focal nodular hyperplasia 
Adenomas 
Fatty tumors
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8
Q

Do liver granulomas have symptoms

A

No

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9
Q

liver granulomas appear as ______ within the _______

A

Calcification within the liver parenchyma

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10
Q

liver granulomas may be related to _____ or _____

A

Scarring

Underlying disorder such as an infection

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11
Q

Appearance of hamartomas

A

Small, focal, solid appearing, hypoechoic

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12
Q

Hamartomas have

A

6%

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13
Q

Hamartomas is often consufed with

A

Metastatic disease

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14
Q

Is hamartomas single or multiple

A

Both

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15
Q

Hamartomas known as

A

Benign malformations

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16
Q

Benign liver cysts are ____ filled space

A

Fluid

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17
Q

Benign liver cysts have ____ lining

A

Epithelial

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18
Q

Benign liver cysts are ______

A

Congenital

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19
Q

Benign liver cysts precise cause is

A

Unclear

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20
Q

Benign liver cysts is present at what age

A

Middle age

21
Q

Benign liver cysts occur in ____% of the pop

22
Q

Benign liver cysts may be ______ or become infected

A

Hemorrhage

23
Q

Benign liver cysts appearance within

A

Internal echoes septations, thick walls, appear solid

24
Q

Benign liver cysts with epithelial lining will ______ if drained

25
liver cysts seen in ____-____% of patients
57-74%
26
What is the most common benign tumor
Cavernous hemangioma
27
Cavernous hemangioma gender ratio
5:1 FOR FEMALES
28
Cavernous hemangioma has what type of blood flow
Low, appearing avascular on sonography
29
Normal appearance of Cavernous hemangioma
Homogenous and hyperechoic- tangle of tiny blood vessels
30
2nd most common seen tumor
Focal nodular hyperplasia - FNH
31
Focal nodular hyperplasia - FNH more commonly seen in
Women
32
Focal nodular hyperplasia - FNH has _______ influences including
Hormonal influences —- oral contraceptive and seen in child bearing years
33
Focal nodular hyperplasia - FNH exibits a ________ sometimes as a result of vascular malformation
Central scar
34
Focal nodular hyperplasia - FNH is seen as a _____ abnormality result of displacing vessels
Contour
35
Focal nodular hyperplasia - FNH has a _______ ,_______ pattern
Stellate pattern
36
Hepatic adenoma is less common than
Focal nodular hyperplasia - FNH
37
Hepatic adenoma is more common in _____ and is linked to
Women Oral contraceptive use
38
Can Hepatic adenoma be symptomatic
Yes
39
What is the vasculature of Hepatic adenoma
Hypervascular
40
Hepatic adenoma bleeding within lesion causes
Pain
41
with Hepatic adenoma the is a risk of
Malignant degeneration
42
What is reccommended with Hepatic adenoma
Resection
43
Hepatic adenoma appear
Heterogenous due to presence of fat Multiple feeding arteries can be seen supply adenoma from periphery One third of cases has capsule — which distinguishes from FNH
44
Fatty tumors are common or rare?
Rare
45
Fatty tumors associated with
Renal angiomyolipomas
46
Fatty tumors appear as
Well defined echogenic mass
47
Fatty tumors are indistinguishable from
Hemangioma, metastasis or focal fat
48
Classic sign of fatty tumor is
Broken diaphragm