liver surgery Flashcards
1
Q
liver pathological lesions
A
- cavitary lesion: abscess, cyst
- neoplasia
2
Q
surgical techniques for the liver
A
- heapatic biopsy
- lobectomy
*
3
Q
pathology of the gall bladder
A
- cholecystitis
- cholelithiasis
- gall bladder mucocele
4
Q
sx technique for the gallbladder
A
cholecistectomy
5
Q
characteristics of the liver which makes it hard to perform sx
A
- friable tissue
- requires different technique compared to the ones used in other paranchymatous organs
- difficult hemostasis
- biliary leaks
- _portal system,_low pressure,supplies 4/5 of the blood that enters the liver
- arterial system, high pressure, 2-5 arteries branches from hepatic artery.
6
Q
discuss the portal system of the liver
A
- low pressure,
- supplies 4/5 of the blood that enters the liver
7
Q
discuss the arterial system of the liver
A
- high pressure
- 2-5 arteries,
- branches from hepartic artery
8
Q
liver fxns
A
- synthesisi of plasma proteins
- maintainance of carbohydrates and lipid metabolism
- coagulation factors
- bile production
- hormone production(gastrin)
- storage(vit, fat,glycogen,minerals)
- clearance organ(drugs and toxins)
9
Q
liver characteristics
A
- no signal of dz till advanced stage
- difficult to palpate
- hepatic failure affect many other systems;
- CNs,kidney,intestines
- heart,coagulation,
- wound healing
10
Q
dx techniques for the liver
A
- radiology(abdominal and thoraci)
- US(biopsy) doppler and contrast enhanced US
- CT scan
- blood work:lab abnormalities (OFTEN NOT DIAGNOSTOC)
11
Q
Closed cavity within the hepatic parenchyma filled with pus
A
hepatic abscess
12
Q
closed cavity covered by a secretory epithelium filled with fluid
A
hepatic cyst
13
Q
cs for an abscess
A
- anorexia
- lethargy
- wt loss
- intermitent abdominal pain
14
Q
cs for a cyst
A
- aymptomatic
- abdominal distention
- if secondary infection behaves like an abscess
15
Q
dx cavitary lesions(cysts,abscess)
A
- US
- most effective ancilliary method for dx
- careful with guarded bipsy -diffuse peritonitis
