Correlation analysis of internal jugular vein abnormalities and cerebral venous sinus thrombosis (CVST)

“...RESULTS

Characteristics of IJV abnormality in CVST patients
Among the 51 CVST patients, 20 (39%) patients had a normal IJV, and 31 (61%) patients had an abnormal IJV as evaluated by CDFI. The types of abnormalities included annulus stenosis (significant local circumferential stenosis of vein) in 19 cases (61%), hypoplasia (venous with long segments underdeveloped) in 9 cases (29%), part or complete IJV thrombosis in 2 cases (7%) and anomalous valve (very long valve causing significant flow obstacle at the J1 level) in 1 case (3%). Images of four types of IJV abnormalities detected by CDFI were shown in Figure 1. The IJV abnormality was confirmed by MRV and DSA. As shown in Figure 1B and 1F, in a patient with right transverse sinus thrombosis, CDFI showed hypoplasia of the right IJV, that was confirmed by DSA. Moreover, we found that IJV abnormality commonly occurred on the left side (18/31 cases, 58%) and at the J3 point (27/31 cases, 87%).”
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