Superior Mesenteric Artery Dissections Detected Using Health Screening Ultrasonography: Two Case Reports

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  • Yoshino Etsuko
    Health Management Center, Kameda Kyobashi Clinic
  • Kaku Tomoaki
    Health Management Center, Kameda Kyobashi Clinic Internal Medicine, Kameda Kyobashi Clinic
  • Jibatake Akira
    Health Management Center, Kameda Kyobashi Clinic Internal Medicine, Kameda Kyobashi Clinic
  • Yoshizawa Eiko
    Health Management Center, Kameda Kyobashi Clinic Internal Medicine, Kameda Kyobashi Clinic
  • Motoyama Tetsuya
    Health Management Center, Kameda Kyobashi Clinic Internal Medicine, Kameda Kyobashi Clinic
  • Konuma Seiji
    Clinical Laboratory Physician, Kameda Kyobashi Clinic
  • Niinami Chikako
    Health Management Center, Kameda Kyobashi Clinic Gastroenterology, Kameda Kyobashi Clinic
  • Kaneko Norihiro
    Health Management Center, Kameda Kyobashi Clinic Internal Medicine, Kameda Kyobashi Clinic
  • Kishimoto Seiji
    Health Management Center, Kameda Kyobashi Clinic

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Other Title
  • 人間ドックの腹部超音波検査で指摘された無症候性孤立性上腸間膜動脈解離の2例
  • ニンゲン ドック ノ フクブ チョウオンパ ケンサ デ シテキ サレタ ムショウコウセイ コリツセイ ジョウチョウカンマク ドウミャク カイリ ノ 2レイ

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Abstract

<p>Objective: Isolated aneurysm or superior mesenteric artery (SMA) dissection is a relatively rare condition. We report two cases of isolated SMA dissection detected using health screening ultrasonography. Both cases were asymptomatic middle-aged men who were smokers.</p><p>Methods: SMA dissections were detected using health screening ultrasonography from January 2020 to February 2021. SMA lesion was detected in both cases for the first time.</p><p>Results: Case 1 was a man in his 50s. He had no symptoms but was a current smoker. Isolated SMA dissection with aneurysm was diagnosed. Case 2 was a man in his 50s. He had no symptoms. He had PH, hypertension, hyperuricemia, and subarachnoid hemorrhage and was an ever smoker. Isolated SMA dissection with aneurysm was diagnosed.</p><p>Conclusions: SMA dissections often present as acute stomachache, and asymptomatic cases are rare. Here, we report two cases of asymptomatic SMA dissections. Courtney investigated 77 patients with abdominal artery dissections and reported that 36% of them were asymptomatic. We should examine SMA lesions as far as possible using health screening ultrasonography because SMA aneurysms or dissections are critical.</p>

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