We report the case of a patient with chronic type A aortic dissection (AD), who had been admitted, 18 months ago, to another hospital with acute chest-tearing pain accompanied with transient loss of consciousness. His symptoms resolved but he reported after discharge a toothache and fluctuating right mandibular pain. He presented to our outpatient clinic because his facial pain aggravated. Physical examination demonstrated a bruit over the right carotid artery. Transthoracic echocardiography and carotid sonography demonstrated aortic dissection extending into the extracranial right internal carotid artery (ICA), which was tortuous. The patient refused surgery. This case reminds us that AD can involve the extracranial ICA, and that long-term survival is possible with type A acute AD without treatment. Carotid ultrasonography is noninvasive, inexpensive, easily performed, and can lead to the detection of chronic type A AD extending to the extracranial ICA.
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