Ana Carolina Alves, Maria Limbert, Ana Pereira Lemos, Inês Soares Cunha, Catarina Gouveia
{"title":"Group A Streptococcus in an Unexpected Site: Temporal Pyomyositis in 2 Children.","authors":"Ana Carolina Alves, Maria Limbert, Ana Pereira Lemos, Inês Soares Cunha, Catarina Gouveia","doi":"10.1097/INF.0000000000005450","DOIUrl":null,"url":null,"abstract":"<p><strong>Background: </strong>Pyomyositis is an uncommon bacterial infection of skeletal muscle. Group A Streptococcus (GAS) accounts for a smaller proportion of pediatric cases, and temporal muscle involvement is exceptionally rare.</p><p><strong>Case description: </strong>We report 2 previously healthy children, a 7-year-old boy and a 6-year-old girl, who presented with acute otitis media (AOM) and painful unilateral temporomandibular swelling. Computed tomography revealed AOM with temporal myositis, complicated by mastoiditis in the first case. Both were treated with intravenous antibiotics, and the first case required drainage and mastoidectomy, with full recovery. GAS was isolated in both cases.</p><p><strong>Conclusions: </strong>GAS temporal pyomyositis should be considered in children presenting with AOM and painful temporal swelling. Imaging is crucial for diagnosis and assessment of disease extent. Surgical management should be individualized.</p>","PeriodicalId":19858,"journal":{"name":"Pediatric Infectious Disease Journal","volume":" ","pages":""},"PeriodicalIF":2.3000,"publicationDate":"2026-10-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Pediatric Infectious Disease Journal","FirstCategoryId":"3","ListUrlMain":"https://doi.org/10.1097/INF.0000000000005450","RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"IMMUNOLOGY","Score":null,"Total":0}
引用次数: 0
Abstract
Background: Pyomyositis is an uncommon bacterial infection of skeletal muscle. Group A Streptococcus (GAS) accounts for a smaller proportion of pediatric cases, and temporal muscle involvement is exceptionally rare.
Case description: We report 2 previously healthy children, a 7-year-old boy and a 6-year-old girl, who presented with acute otitis media (AOM) and painful unilateral temporomandibular swelling. Computed tomography revealed AOM with temporal myositis, complicated by mastoiditis in the first case. Both were treated with intravenous antibiotics, and the first case required drainage and mastoidectomy, with full recovery. GAS was isolated in both cases.
Conclusions: GAS temporal pyomyositis should be considered in children presenting with AOM and painful temporal swelling. Imaging is crucial for diagnosis and assessment of disease extent. Surgical management should be individualized.
期刊介绍：
The Pediatric Infectious Disease Journal® (PIDJ) is a complete, up-to-the-minute resource on infectious diseases in children. Through a mix of original studies, informative review articles, and unique case reports, PIDJ delivers the latest insights on combating disease in children — from state-of-the-art diagnostic techniques to the most effective drug therapies and other treatment protocols. It is a resource that can improve patient care and stimulate your personal research.
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