Systems-Billary Tract Flashcards

1
Q

What does Chole mean?

A

Bile

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2
Q

What does cysto mean?

A

Bag/sack/bladder

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3
Q

What does Cholecyst mean?

A

Gallbladder

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4
Q

What does coledocho mean?

A

Common bile duct

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5
Q

What does cholangio mean?

A

Bile vessel

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6
Q

What does lith mean?

A

Stone

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7
Q

Where is the gallbladder in hypersthenic patients?

A

2 inches higher than T12 and lateral

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8
Q

Where is the gallbladder in sthenic patients?

A

L2/1 inch above the LCM and 2 inches to the right of the MSP

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9
Q

Where is the gallbladder in asthenic patients?

A

Midline at L4 (illiac crest)

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10
Q

What are the 3 functions of the gallbladder?

A
  1. Storage of bile
  2. Consentration of bile
  3. Contraction when stimulated
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11
Q

When stimulated, what does the gallbladder secrete?

A
  1. CCK
  2. Bile
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12
Q

What is the function of bile?

A

Breaks down fats

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13
Q

Label 1-4

A
  1. Cystic duct
  2. Right hepatic duct
  3. Common hepatic duct
  4. Common bile duct
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14
Q

What is Cholecystography?

A

study of the GB

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15
Q

What is Cholangiography?

A

study of the biliary ducts

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16
Q

What is Cholecystangiography?

A

The study of GB & ducts

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17
Q

What are the 3 types of examinations of the billary tract?

A
  1. Percutaneous Transhepatic Cholangiography
  2. T-Tube Cholangiogram
  3. Endoscopic Cholangiopancreatogram – ERCP
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18
Q

What is cholelithiasis?

A

Cholelithiasis-Gall stones in the common bile duct

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19
Q

T/F

Cholesterol is radiolucent

A

True

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20
Q

T/F

Majority of gall stones are radiopaque

A

False; Majority of gall stones are radiolucent

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21
Q

What is the modalitly of choice for Cholelithiasis (Gallstones)?

A

Ultrasound is the modality of choice for diagnosis

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22
Q

What percentage of gallstones contain enough calcium to be seen radiographically?

A

20% contain enough calcium to be seen radiographically

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23
Q

How do we see gallstones if the majority are radiolucent?

A

See filling defect with contrast

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24
Q

What pathology is being shown here?

A

4 gallstones

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25
What pathology is being shown in this image?
Filling defects with contrast, common bile duct enlarged
26
What pathology is being shown here?
Calcified gallstones
27
What does Percutaneous mean?
Percutaneous=Through the skin
28
# T/F PTC – Percutaneous Transhepatic Cholangiography is a theraputic proceedure only.
False; Diagnostic or therapeutic procedure
29
Where is the needle for PTC – Percutaneous Transhepatic Cholangiography inserted?
Into a bile duct
30
What is the purpose of PTC – Percutaneous Transhepatic Cholangiography?
1. Injection of dilute contrast 2. May drain excessive fluid 3. May remove stones or sludge causing obstruction
31
What proceedure is often done for palliative patients?
PTC – Percutaneous Transhepatic Cholangiography
32
What is being shown here, what proceedure was done?
PTC w/ Chiba needle showing dilated biliary ducts
33
What is being shown here?
PTC with drainage catheter in place
34
What is PTC drainage often for?
Drainage often used for obstructive jaundice
35
What is the purpose of T-Tube Cholangiograms?
To show the caliber and patency of the ducts, or the presence of residual or previously undetected stones
36
# What proceedure is this describing? Biliary tract examination that is performed via a T-shaped or pigtail-shaped catheter left in the common hepatic and common bile ducts for postoperative drainage
T-Tube Cholangiogram
37
What patient prep needs to be done prior to a T-Tube Cholangiogram?
1. The drainage tube is clamped the day before 2. The preceding meal is withheld 3. May need cleansing enema 1 hour before
38
# T/F With a T-Tube Cholangiogram, you must ensure that there are no air bubbles.
True
39
Why is a pigtail catheter is required for laparoscopic biliary procedures?
A pigtail catheter is required for laparoscopic biliary procedures because it can be placed percutaneously and stays in place.
40
**What should the density of the contrast medium be for Biliary Duct Procedures? Why?**
The density of the contrast medium used no greater than 25% to 30% because small stones may be obscured with a higher concentration
41
What is proceedure is being done?
T-Tube Cholangiogram
42
What is being shown here?
Filling defects of the billary tract
43
What is the lateral projection of the billary tract used for?
To show anatomic branching of the hepatic ducts in this plane and to detect any abnormality not otherwise shown
44
What does ERCP stand for?
ERCP - Endoscopic Retrograde Cholangiopancreatogram
45
Watch videos
http://www.youtube.com/watch?v=vnAtuG9ULB4
46
# T/F CT has now replaced msot ERCP - Endoscopic Retrograde Cholangiopancreatogram proceedures.
True
47
What is the main use for ERCP?
Treatment of choledocholithiasis and malignant obstructive jaundice
48
# What proceedure is this describing? Endoscopic inspection, cannulation, and injection of the biliary ducts with the use of a duodenoscope (fiberoptic endoscope) by a Gastroenterologist in the Endoscopy suite or Radiology Suite.
ERCP - Endoscopic Retrograde Cholangiopancreatogram
49
When is floro needed in ERCP?
Once the scope reaches the common bile duct
50
What body position should the patient be in for an ERCP?
They need to be in a lateral, recovery, or prone position. Just not supine.
51
What proceedure is being done here? What is circled in yellow?
ERCP, the pancreatic duct
52
What is this?
An endoscope
53
What are the responsibilities of the rad techs for imaging related to the billary tract?
1. Set up examination tray 2. Select and prepare contrast media, 3. Take scout images 4. Provide protective aprons 5. Monitor the patient during the procedure 6. Take conventional radiographs or fluoro images as requested
54
What is the arrow pointing to?
Catheter in the common bile duct
55
What is being shown here?
Cutting the sphincter of the oddie to let the stones in the common bile duct to come out
56
What proceedure has been done? What are the purple, yellow and green structures circled?
ERCP Yellow: Common hepatic Green: Cystic Purple: Common bile
57
What is the second most common imaging done for the gallbladder?
CT
58
Is this proceedure done with, or without contrast? What are the structures circled in purple and yellow?
CT scan done with contrast Purple: Spleen Orange: Gallbladder
59
What proceedure has been done here?
ERCP
60
What proceedure has been done here?
T tube
61
What proceedure has been done here?
Percutaneous Transhepatic Cholangiography