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Recently had a CT[with contrast] scan

because i have pulsatile tinnitus in my right ear [when i turn my head to the left] It showed "Posterior circulation anatomy unremarkable with dominant left vertebral artery, normal basilar trunk, an asymmetric basilar terminus with congenitally hypoplastic or absent right P1 segment."

But my ENT didn't seem worried. Should I be?
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15695260 tn?1549593113
Hello and welcome to the forum. Thank you for your question! We're sorry about a delay in response.  We hope that by now you have discussed your concerns with your doctor.  The word 'unremarkable' is a key that this is less of a concern. They looked at your left vertebral artery and described the trunk as normal.  However, there appears to be an anomaly in the P1 segment that you were likely born with in which it is  undeveloped or absent completely.  I would actually think that follow up on this finding would be important.  I can understand your concern. Please give us any updates. https://www.medscape.com/answers/761451-111111/what-is-the-relevant-anatomy-in-vertebral-artery-dissection-vad
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