No abstract

Background: Common carotid artery occlusion (CCAO) can be noticed while carrying out routine sonography and color flow imaging (CFI) of the carotid vessels. The complete evaluation is required when detected in these types of cases. The presenting feature may vary from minor to the major category. Internal carotid artery (ICA) and external carotid artery (ECA) may or may not be the part of occlusion. Case report: we report a 39-years old male who reported with sudden loss of vision in right eye. He underwent carotid ultrasonography (US) and was found to be having complete occlusion of right CCA and ICA. Conclusion: Non alarming stroke may not be the finding in complete occlusion of CCA and their distal branches. There can be isolated finding of retinal artery occlusion as happened in our case. Color flow imaging is the modality of choice for clinching the diagnosis.