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Table 1 Comparison of three common imaging methods in diagnosing ICAS-LVO

From: Current knowledge of large vascular occlusion due to intracranial atherosclerosis: focusing on early diagnosis

 

Comparing with DSA

Comparing with multi-model CT

Comparing with multi-model MRI

DSA

 

Strength:

1. Higher accuracy

Strength:

1. Higher accuracy

 

Weakness:

1. Later than treatment

2. Treatment dependent

Weakness:

1. Later than treatment

2. Treatment dependent

Mult-model CT

Strength:

1. Early diagnosis

2. Treatment independent

 

Strength:

1. Rapid

2. Lower hardware requirement

3. Usually routinely performed

Weakness:

1. Less accuracy (based on current knowledge)

 

Weakness:

1. Less informative about the occlusion site

2. Invasive process

3. Radiation

Multi-model MRI

Strength:

1. Early diagnosis

2. Treatment independent

Strength:

1. More informative about the occlusion site

2. Usually noninvasive

3. Without radiation

 

Weakness:

1. Time-consuming

2. Higher equipment requirement

3. Unsuitable for patients with magnetic sensitive implant

Weakness:

1. Time-consuming

2. Higher hardware requirement

3. Unsuitable for patients with magnetic sensitive implant

4. Require strict immobilization of the patient