Thoracic endovascular aortic repair (TEVAR) is the first treatment option for many thoracic aortic pathologies. Especially after aortic dissections, it is possible to have progression during follow-up with appearance of new lesions on arterial wall. Herein, we report a case of Penetrating Aortic Ulcer (PAU) post release of Thoracic endoprosthesis.
A 67-years-old male with hypertension and diabetes mellitus was followed at our hospital after an emergency procedure for Type B aortic dissection (TBAD) complicated by symptomatic large infrarenal AAA and treated with a proximal TEVAR plus chimney for left subclavian artery and PETTICOAT with EVAR for abdominal aortic disease. Follow up at 15 months showed a deep PAU with partial crush of stent in Left Subclavian Artery. Thus, we performed a left carotid-subclavian bypass and subsequently a TEVAR procedure with release of Bolton Relay endoprosthesis (Terumo Aortic, Sunrise, Florida, United States).
In literature there are few studeis that focus on migration after TEVAR during follow-up. Elongation, changes of tortuosity on thoracic aorta after TEVAR, can help to determine a migration of prosthesis. In this case Bolton Relay endoprosthesis (Terumo Aortic, Sunrise, Florida, United States) has permitted to improve precision and quality of procedure.
In literature there are few studies reporting complications of TEVAR post prosthesis migration. In this case, Bolton Relay endoprosthesis was useful and safe.

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