摘要To the Editor:An 84-year-old male was referred from a local clinic for an incidental thoracoabdominal aortic aneurysm (TAAA) presenting in a supraceliac aortic aneurysm (SCAA) with maximal diameter of 6.0 cm in spine magnetic resonance imaging.He had a medical history of hypertension and chronic obstructive pulmonary disease,and was a 30 pack-years' smoker.On physical examination,his vital signs were stable and abdomen was soft without pain and tenderness.Laboratory findings showed white blood cell count of 4840/μl,serum creatinine of 9 mg/L,erythrocyte sedimentation rate of 16 mm/h,and c-reactive protein of 13.24 mg/L.There was no growth of any microorganism in blood culture.Both tuberculosis polymerase chain reaction and serum acid-fast bacillus tests were negative.