Solitary Pyomyositis of the Left Rhomboideus Muscle Caused by Streptococcus anginosus and Streptococcus intermedius in an Immunocompetent Person

Primary pyomyositis is a bacterial infection of the skeletal muscle commonly affecting children with Staphylococcus aureus most often isolated as a pathogen. However, pyomyositis caused by anaerobic bacteria is rare in adults. Here, we report a case of solitary Pyomyositis of the left rhomboideus mu...

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Main Authors: Yasuhiro Tanaka, Kenichi Takaya, Go Yamamoto, Isaku Shinzato, Toshiro Takafuta
Format: Article
Language:English
Published: Wiley 2015-01-01
Series:Case Reports in Infectious Diseases
Online Access:http://dx.doi.org/10.1155/2015/321520
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author Yasuhiro Tanaka
Kenichi Takaya
Go Yamamoto
Isaku Shinzato
Toshiro Takafuta
author_facet Yasuhiro Tanaka
Kenichi Takaya
Go Yamamoto
Isaku Shinzato
Toshiro Takafuta
author_sort Yasuhiro Tanaka
collection DOAJ
description Primary pyomyositis is a bacterial infection of the skeletal muscle commonly affecting children with Staphylococcus aureus most often isolated as a pathogen. However, pyomyositis caused by anaerobic bacteria is rare in adults. Here, we report a case of solitary Pyomyositis of the left rhomboideus muscle in an immunocompetent person. A 70-year-old Japanese male presented with high fever and left shoulder pain. His muscle below the lower edge of the left scapula was tender and swollen. His laboratory examinations revealed severe inflammation. Computed tomography showed a solitary low-density area around a contrast enhancement in the left rhomboideus muscle. He was diagnosed as having solitary pyomyositis. Although his symptoms did not improve despite empiric intravenous administration of antibiotics, an incision was performed. Streptococcus anginosus and Streptococcus intermedius were isolated from the culture of drainage fluid. His symptoms gradually disappeared after the incisional drainage and continuous administration of antibiotics. Pyomyositis did not recur after his discharge. To the best of our knowledge, this is the first report on anaerobic pyomyositis of the shoulder muscle.
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spelling doaj-art-2a3725243b0f4ebea02c5f9d163f72502025-02-03T06:12:38ZengWileyCase Reports in Infectious Diseases2090-66252090-66332015-01-01201510.1155/2015/321520321520Solitary Pyomyositis of the Left Rhomboideus Muscle Caused by Streptococcus anginosus and Streptococcus intermedius in an Immunocompetent PersonYasuhiro Tanaka0Kenichi Takaya1Go Yamamoto2Isaku Shinzato3Toshiro Takafuta4Department of Hematology and Clinical Immunology, Nishi-Kobe Medical Center, Kobe, Hyogo 651-2273, JapanDepartment of Orthopedics, Nishi-Kobe Medical Center, Kobe, Hyogo 651-2273, JapanDepartment of Clinical Laboratory, Nishi-Kobe Medical Center, Kobe, Hyogo 651-2273, JapanDepartment of Hematology and Clinical Immunology, Nishi-Kobe Medical Center, Kobe, Hyogo 651-2273, JapanDepartment of Hematology and Clinical Immunology, Nishi-Kobe Medical Center, Kobe, Hyogo 651-2273, JapanPrimary pyomyositis is a bacterial infection of the skeletal muscle commonly affecting children with Staphylococcus aureus most often isolated as a pathogen. However, pyomyositis caused by anaerobic bacteria is rare in adults. Here, we report a case of solitary Pyomyositis of the left rhomboideus muscle in an immunocompetent person. A 70-year-old Japanese male presented with high fever and left shoulder pain. His muscle below the lower edge of the left scapula was tender and swollen. His laboratory examinations revealed severe inflammation. Computed tomography showed a solitary low-density area around a contrast enhancement in the left rhomboideus muscle. He was diagnosed as having solitary pyomyositis. Although his symptoms did not improve despite empiric intravenous administration of antibiotics, an incision was performed. Streptococcus anginosus and Streptococcus intermedius were isolated from the culture of drainage fluid. His symptoms gradually disappeared after the incisional drainage and continuous administration of antibiotics. Pyomyositis did not recur after his discharge. To the best of our knowledge, this is the first report on anaerobic pyomyositis of the shoulder muscle.http://dx.doi.org/10.1155/2015/321520
spellingShingle Yasuhiro Tanaka
Kenichi Takaya
Go Yamamoto
Isaku Shinzato
Toshiro Takafuta
Solitary Pyomyositis of the Left Rhomboideus Muscle Caused by Streptococcus anginosus and Streptococcus intermedius in an Immunocompetent Person
Case Reports in Infectious Diseases
title Solitary Pyomyositis of the Left Rhomboideus Muscle Caused by Streptococcus anginosus and Streptococcus intermedius in an Immunocompetent Person
title_full Solitary Pyomyositis of the Left Rhomboideus Muscle Caused by Streptococcus anginosus and Streptococcus intermedius in an Immunocompetent Person
title_fullStr Solitary Pyomyositis of the Left Rhomboideus Muscle Caused by Streptococcus anginosus and Streptococcus intermedius in an Immunocompetent Person
title_full_unstemmed Solitary Pyomyositis of the Left Rhomboideus Muscle Caused by Streptococcus anginosus and Streptococcus intermedius in an Immunocompetent Person
title_short Solitary Pyomyositis of the Left Rhomboideus Muscle Caused by Streptococcus anginosus and Streptococcus intermedius in an Immunocompetent Person
title_sort solitary pyomyositis of the left rhomboideus muscle caused by streptococcus anginosus and streptococcus intermedius in an immunocompetent person
url http://dx.doi.org/10.1155/2015/321520
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