Radio Positioning II - Special Procedures

Question 1

Left hepatic duct & right hepatic duct combine to form ____

Answer 1

Common hepatic duct

Question 2

Cystic duct & common hepatic duct combine to form ____

Answer 2

Common bile duct

Question 3

ERCP

Answer 3

Endoscopic Retrograde Cholangiopancreatography

Question 4

Postoperative cholangiography

Answer 4

-T-tube placement in common bile duct
-T-tube extends outside of body
-Contrast media injected into T-tube catheter

Question 5

Choleliths a.k.a. ___

Answer 5

Gall bladder stones

Question 6

T-tube is placed into ___

Answer 6

Common bile duct

Question 7

ERCP - instrument

Answer 7

Duodenoscope

Question 8

ERCP - clinical indications

Answer 8

-Openness of biliary/pancreatic ducts
-Undetected choleliths
-Small lesions/strictures within biliary/pancreatic ducts

Question 9

HSG - clinical indications

Answer 9

-Infertility assessment
-Intrauterine pathology
-Evaluation of uterine tube post surgery
-Therapeutic procedure

Question 10

HSG - contraindications

Answer 10

-Pregnancy
-Acute pelvic inflammatory disease
-Active uterine bleeding

Question 11

HSG - flow of contrast media

Answer 11

-Injected into uterine cavity
-Exits uterine tubes into peritoneal cavity

Question 12

Myelography

Answer 12

Radiographic contrast study of spinal cord & its nerve root branches

Question 13

Myelography - clinical indications

Answer 13

-HNP
-Tumors
-Cysts
-Trauma - bony fragments

Question 14

Myelography - contraindications

Answer 14

Blood in CSF
Arachnoiditis
Increased intracranial pressure
Recent lumbar puncture

Question 15

Orthoroentgenography

Answer 15

-Straight/right angle radiograph
-Accurate & comparative long bone measurements
-CT scanogram more Accurate

Question 16

Orthoroentgenography - clinical indications

Answer 16

-Back pain from leg length difference
-Developmental anomalies
-Epiphysiodesis - surgical procedure to shorten limb
-bone-lengthening surgery

Question 17

Orthoroentgenography - measuring ruler

Answer 17

Bell-Thompson ruler

Question 18

Orthoroentgenography - number of exposures per IR

Answer 18

3

Question 19

CT - image produced is called a ___

Answer 19

tomogram

Question 20

Tomographic blurring principle

Answer 20

Only object plane (fulcrum) remains in same position on IR

Question 21

CT - smaller angle gives ___ sectional slices

Answer 21

thicker

Question 22

CT - larger angle gives ___ sectional slices

Answer 22

thinner

Question 23

Most common pathologic indication for myelography

Answer 23

HNP

Question 24

Most common injection site for myelography

Answer 24

L3 - L4

Question 25

Iodine contrast for myelography - no longer radiographically detectable after ___

Answer 25

24 hrs

Question 26

HSG

Answer 26

Hysterosalpingography

Question 27

Hysterosalpingography

Answer 27

Radiographic procedure to view uterus and fallopian tubes

Question 28

HNP

Answer 28

“Herniated Nucleus Pulposus
Lumbar spine condition - one or more discs dislocate or compress due to pressure from surrounding vertebrae”