The First Known Case of Liver Abscess Caused by Aggregatibacter aphrophilus in Japan

A 48-year-old man presented with a sustained fever. Abdominal computed tomography revealed multilocular liver abscesses. He underwent percutaneous needle aspiration, yielding straw-colored pus. Gram staining revealed Gram-negative coccobacilli. The organism grew only on chocolate II agar in a 7% car...

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Autores principales: Okumura, Taiki, Soya, Keisuke, Hihara, Yu, Muraoka, Shinji, Nishimura, Yoshihiro, Inoue, Katsuaki, Maruyama, Atsushi, Matsumoto, Go
Formato: Online Artículo Texto
Lenguaje:English
Publicado: The Japanese Society of Internal Medicine 2020
Materias:
Case Report
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7332619/
https://www.ncbi.nlm.nih.gov/pubmed/32161220
http://dx.doi.org/10.2169/internalmedicine.4220-19
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author Okumura, Taiki
Soya, Keisuke
Hihara, Yu
Muraoka, Shinji
Nishimura, Yoshihiro
Inoue, Katsuaki
Maruyama, Atsushi
Matsumoto, Go
author_facet Okumura, Taiki
Soya, Keisuke
Hihara, Yu
Muraoka, Shinji
Nishimura, Yoshihiro
Inoue, Katsuaki
Maruyama, Atsushi
Matsumoto, Go
author_sort Okumura, Taiki
collection PubMed
description A 48-year-old man presented with a sustained fever. Abdominal computed tomography revealed multilocular liver abscesses. He underwent percutaneous needle aspiration, yielding straw-colored pus. Gram staining revealed Gram-negative coccobacilli. The organism grew only on chocolate II agar in a 7% carbon dioxide atmosphere. Identification of Aggregatibacter aphrophilus was confirmed using mass spectrometry and 16S rRNA gene sequencing. He was successfully treated with antibiotics. Liver abscess caused by A. aphrophilus is extremely rare. We herein report the first such case in Japan. Even fastidious organisms, such as A. aphrophilus, should be correctly identified using mass spectrometry or 16S rRNA gene sequencing for adequate treatment.
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spelling pubmed-73326192020-08-03 The First Known Case of Liver Abscess Caused by Aggregatibacter aphrophilus in Japan Okumura, Taiki Soya, Keisuke Hihara, Yu Muraoka, Shinji Nishimura, Yoshihiro Inoue, Katsuaki Maruyama, Atsushi Matsumoto, Go Intern Med Case Report A 48-year-old man presented with a sustained fever. Abdominal computed tomography revealed multilocular liver abscesses. He underwent percutaneous needle aspiration, yielding straw-colored pus. Gram staining revealed Gram-negative coccobacilli. The organism grew only on chocolate II agar in a 7% carbon dioxide atmosphere. Identification of Aggregatibacter aphrophilus was confirmed using mass spectrometry and 16S rRNA gene sequencing. He was successfully treated with antibiotics. Liver abscess caused by A. aphrophilus is extremely rare. We herein report the first such case in Japan. Even fastidious organisms, such as A. aphrophilus, should be correctly identified using mass spectrometry or 16S rRNA gene sequencing for adequate treatment. The Japanese Society of Internal Medicine 2020-03-12 2020-06-01 /pmc/articles/PMC7332619/ /pubmed/32161220 http://dx.doi.org/10.2169/internalmedicine.4220-19 Text en Copyright © 2020 by The Japanese Society of Internal Medicine https://creativecommons.org/licenses/by-nc-nd/4.0/ The Internal Medicine is an Open Access journal distributed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License. To view the details of this license, please visit (https://creativecommons.org/licenses/by-nc-nd/4.0/).
spellingShingle Case Report
Okumura, Taiki
Soya, Keisuke
Hihara, Yu
Muraoka, Shinji
Nishimura, Yoshihiro
Inoue, Katsuaki
Maruyama, Atsushi
Matsumoto, Go
The First Known Case of Liver Abscess Caused by Aggregatibacter aphrophilus in Japan
title The First Known Case of Liver Abscess Caused by Aggregatibacter aphrophilus in Japan
title_full The First Known Case of Liver Abscess Caused by Aggregatibacter aphrophilus in Japan
title_fullStr The First Known Case of Liver Abscess Caused by Aggregatibacter aphrophilus in Japan
title_full_unstemmed The First Known Case of Liver Abscess Caused by Aggregatibacter aphrophilus in Japan
title_short The First Known Case of Liver Abscess Caused by Aggregatibacter aphrophilus in Japan
title_sort first known case of liver abscess caused by aggregatibacter aphrophilus in japan
topic Case Report
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7332619/
https://www.ncbi.nlm.nih.gov/pubmed/32161220
http://dx.doi.org/10.2169/internalmedicine.4220-19
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