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Summary of CCA and 3D dynamic MR-DSA findings
Parameters CCA 3D dynamic MR-DSA
Detection of nidus 19/19 19/19
Size of nidus 
    <3 cm 14/19 14/19
    3–6 cm 4/19 4/19
    >6 cm 1/19 1/19
Venous drainage 
    superficial 8/19 7/19
    deep 3/19 3/19
    deep and superficial 8/19 9/19
Parameters	CCA	3D dynamic MR-DSA
Detection of nidus	19/19	19/19
Size of nidus
<3 cm	14/19	14/19
3–6 cm	4/19	4/19
>6 cm	1/19	1/19
Venous drainage
superficial	8/19	7/19
deep	3/19	3/19
deep and superficial	8/19	9/19