Infective Endocarditis Caused by <i>Listeria monocytogenes</i> Forming a Pseudotumor

  • Uehara Yonekawa Akiko
    Medicine and Biosystemic Science, Kyushu University Graduate School of Medical Sciences, Japan
  • Iwasaka Sho
    Medicine and Biosystemic Science, Kyushu University Graduate School of Medical Sciences, Japan
  • Nakamura Hisataka
    Medicine and Biosystemic Science, Kyushu University Graduate School of Medical Sciences, Japan
  • Fukata Mitsuhiro
    Medicine and Biosystemic Science, Kyushu University Graduate School of Medical Sciences, Japan
  • Kadowaki Masako
    Medicine and Biosystemic Science, Kyushu University Graduate School of Medical Sciences, Japan
  • Uchida Yujiro
    Medicine and Biosystemic Science, Kyushu University Graduate School of Medical Sciences, Japan
  • Odashiro Keita
    Medicine and Biosystemic Science, Kyushu University Graduate School of Medical Sciences, Japan
  • Shimoda Shinji
    Medicine and Biosystemic Science, Kyushu University Graduate School of Medical Sciences, Japan
  • Shimono Nobuyuki
    Medicine and Biosystemic Science, Kyushu University Graduate School of Medical Sciences, Japan
  • Akashi Koichi
    Medicine and Biosystemic Science, Kyushu University Graduate School of Medical Sciences, Japan

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抄録

A 73-year-old woman with breast cancer and metastasis under chemotherapy suffered from fever, pleural effusion and pericardial effusion. Despite the administration of treatment with cefozopran and prednisolone, the patient's fever relapsed. An electrocardiogram identified a new complete atrioventricular block and an echocardiogram revealed vegetation with an unusual pseudotumoral mass in the right atrium. Blood cultures grew Listeria monocytogenes. The patient was eventually diagnosed with right-sided infective endocarditis, which improved following the six-week administration of ampicillin and gentamicin. Homemade yoghurt was suspected to be the cause of infection in this case. Listeria endocarditis is rare; however, physicians should pay more attention to preventing this fatal disease in immunocompromised patients.<br>

収録刊行物

  • Internal Medicine

    Internal Medicine 53 (9), 1029-1032, 2014

    一般社団法人 日本内科学会

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