Interventional Radiology And Isotypes

Question 1

Subspecialty that provides minimal invasive techniques which help imaging modalities to diagnose or treat a condition.

Answer 1

Interventional Radiology

Question 2

Enumerate advantages of interventional radiology

Answer 2

1. Minimal invasive (80% of skin incisions less than 5cm)
2. Early recovery (80% go back home in the same day)
3. Local anaesthesia (90%)

Question 3

Enumerate indications of international radiology.

Answer 3

(REST BAPA)

1. Radio-frequency ablation “تفتيت”
2. Embolization “توقف النزيف”
3. Stent placement “تركب الدعامة”
4. Thrombo-lysis “تفتيت الجلطة”
5. Balloon angioplasty
6. Athero-ectomy “في حالات تصلب الشرايين”
7. Percutaneous ×3 ( biopsy, biliary drainage, nephrostomy)
8. Abscess drainage

Question 4

• The radiologic examination of vessels after induction of a contrast medium is the definition of:
• What is contrast medium?

Answer 4

• Angiography
• مادة بتظهر في الأشعة radio obaque

Question 5

Basic principle of Angiography is

Answer 5

Arterial access by Seldinger Technique

Question 6

• Define Seldinger Technique
• Mention the most commonly used artery.

Answer 6

• A Percutaneous PC technique for Arterial and venous access.
• Femoral Artery Is the most commonly used artery.

Question 7

Seldinger Technique equipments are: 4

Answer 7

1. Seldinger needle
2. Guide wires
3. Catheters
4. Contrast media صبغة

Question 8

Seldinger needle size, and usage are

Answer 8

1. Size: 18 g (gauge)
2. Usage: single use (disposable)

Question 9

Most commonly used isotype in diagnostic purposes is

Answer 9

Technetium 99mTc

Question 10

Technetium 99 with MDP used in

Answer 10

Bone

Question 11

Technetium 99 with RBCs in

Answer 11

Blood

Question 12

Technetium 99 with Sulpher-Colloid in

Answer 12

Liver and Spleen

Question 13

What we use in thyroid scan and imaging?

Answer 13

1. Thyroid SCAN: Radioactive Iodine
2. Thyroid imaging: Pertechnetate

Question 14

Used in Parathyroid galnd and heart localisation:

Answer 14

MIBI

Question 15

Used in Adreno-Cortical imaging like:
- Cushing disease
- Cortisol producing adenoma
- Cons syndrome (1ry aldosteronism)

Answer 15

Idio-cholesterol 131I labeled 6-iodo-methyl 19-norcholesterol
حتت دهنية

Question 16

Used in kidneys

Answer 16

133 I = idio-hippuric acid

Question 17

Used in GFR

Answer 17

DTPA

Question 18

In lung function evaluation

Answer 18

Xenon 133

Question 19

Radio-pharmacutical used in bone scan

Answer 19

Phosphate analogues + 99mTc

Question 20

Used in anatomical assessment of Thyroid galnd

Answer 20

99mTc Pertechnetate

Question 21

We use in full assessment of Thyroid galnd (function+anatomy):

Answer 21

Oral [123 or 131] sodium iodide

Question 22

Radio-pharmacutical used in ventilation scan of the lungs

Answer 22

DTPA mask

Question 23

Radio-pharmacutical used in perfusion lung scan

Answer 23

MAA IV

Question 24

2 Tracers used in dynamic imaging (functional) evaluation in Renal “kidneys” are

Answer 24

• DTPA
• MAG 3

Question 25

Traces used in Static ( anatomical assessment and pyelonephritis) in Renal “kidneys” is

Answer 25

DMSA

Question 26

The standard method of myocardial perfusion scintigraphy is

Answer 26

SPECT

Question 27

Which organ assessed under stress and rest

Answer 27

HEART ❤️

Question 28

Radio-pharmacuticals used I myocardial perfusion scintigraphy

Answer 28

1. Thallium 201 Chloride (TL-201)
2. MIBI
3. Tetro-fosmin