{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,5]],"date-time":"2026-05-05T18:37:20Z","timestamp":1778006240836,"version":"3.51.4"},"reference-count":22,"publisher":"MDPI AG","issue":"10","license":[{"start":{"date-parts":[[2022,9,28]],"date-time":"2022-09-28T00:00:00Z","timestamp":1664323200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Microorganisms"],"abstract":"<jats:p>Acute cholecystitis is an infectious disease of the gallbladder caused mainly by Escherichia coli, Klebsiella, and Enterococcus species. Streptococcus gallolyticus subsp. pasteurianus, previously known as Streptococcus bovis biotype II\/2, rarely causes endocarditis, meningitis, and septicemia, mainly in children. Biliary tract infections by Streptococcus gallolyticus subsp. pasteurianus are extremely rare. There have been no reports of cases in Japan. Here, we describe the first case in Japan of acute calculous cholecystitis caused by Streptococcus gallolyticus subsp. pasteurianus infection. A 63-year-old man was admitted to our hospital with epigastric pain and vomiting. He had moderate tenderness and a full sensation in the epigastrium. Abdominal imaging revealed multiple stones in the gallbladder. After admission, he had a high fever that did not improve with antibiotics. Percutaneous transhepatic gallbladder drainage was performed. The patient underwent open cholecystectomy. During surgery, several small stones in the gallbladder and an abscess were observed at the gallbladder base. Streptococcus gallolyticus subsp. pasteurianus was detected by bacterial culture of the bile juice. The gallstones were bilirubin calcium stones. The endoscopic study showed three adenomas in the colon, but the histopathological examination demonstrated no malignant cells. Although infection by this bacterium may not be rare, this is the first reported case in Japan of acute calculous cholecystitis caused by Streptococcus gallolyticus subsp. pasteurianus infection.<\/jats:p>","DOI":"10.3390\/microorganisms10101929","type":"journal-article","created":{"date-parts":[[2022,9,28]],"date-time":"2022-09-28T22:53:19Z","timestamp":1664405599000},"page":"1929","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":5,"title":["Acute Calculous Cholecystitis Caused by Streptococcus gallolyticus subspecies pasteurianus: A Case Report"],"prefix":"10.3390","volume":"10","author":[{"given":"Tsunehiko","family":"Shigemori","sequence":"first","affiliation":[{"name":"Department of Surgery, Doshinkai Tohyama Hospital, Tsu 514-0043, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Atsunori","family":"Hiasa","sequence":"additional","affiliation":[{"name":"Department of Internal Medicine, Doshinkai Tohyama Hospital, Tsu 514-0043, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yasuhiro","family":"Inoue","sequence":"additional","affiliation":[{"name":"Department of Surgery, Doshinkai Tohyama Hospital, Tsu 514-0043, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Satoko","family":"Oka","sequence":"additional","affiliation":[{"name":"Department of Internal Medicine, Doshinkai Tohyama Hospital, Tsu 514-0043, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Taro","family":"Yasuma","sequence":"additional","affiliation":[{"name":"Department of Immunology, Mie University, Tsu 514-8507, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ryo","family":"Nishiwaki","sequence":"additional","affiliation":[{"name":"Department of Surgery, Doshinkai Tohyama Hospital, Tsu 514-0043, Japan"},{"name":"Department of Immunology, Mie University, Tsu 514-8507, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Natsuko","family":"Sugimasa","sequence":"additional","affiliation":[{"name":"Department of Surgery, Doshinkai Tohyama Hospital, Tsu 514-0043, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Tetsuya","family":"Hamaguchi","sequence":"additional","affiliation":[{"name":"Department of Surgery, Doshinkai Tohyama Hospital, Tsu 514-0043, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Midori","family":"Noji","sequence":"additional","affiliation":[{"name":"Department of Surgery, Doshinkai Tohyama Hospital, Tsu 514-0043, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kenji","family":"Takeuchi","sequence":"additional","affiliation":[{"name":"Department of Surgery, Doshinkai Tohyama Hospital, Tsu 514-0043, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yoshiyuki","family":"Ito","sequence":"additional","affiliation":[{"name":"Department of Surgery, Doshinkai Tohyama Hospital, Tsu 514-0043, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Toshio","family":"Katoh","sequence":"additional","affiliation":[{"name":"Department of Surgery, Doshinkai Tohyama Hospital, Tsu 514-0043, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5748-1499","authenticated-orcid":false,"given":"Esteban C.","family":"Gabazza","sequence":"additional","affiliation":[{"name":"Department of Immunology, Mie University, Tsu 514-8507, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ichiro","family":"Imoto","sequence":"additional","affiliation":[{"name":"Department of Digestive Endoscopy Center, Doshinkai Tohyama Hospital, Tsu 514-0043, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2022,9,28]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"315","DOI":"10.1128\/CMR.2.3.315","article-title":"Classification and identification of the viridans streptococci","volume":"2","author":"Coykendall","year":"1989","journal-title":"Clin. 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