{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,8]],"date-time":"2026-09-08T00:43:21Z","timestamp":1788828201051,"version":"build-2803163510"},"reference-count":21,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2019,6,18]],"date-time":"2019-06-18T00:00:00Z","timestamp":1560816000000},"content-version":"vor","delay-in-days":17,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Pathology International"],"published-print":{"date-parts":[[2019,6]]},"abstract":"<jats:p>A fungal ball of a maxillary sinus sometimes includes dental treatment\u2010related foreign material because the sinus is close to the root of the upper teeth. We present a case of right maxillary sinus fungal ball with a gutta\u2010percha point, a dental root canal filler. X\u2010ray analysis of the foreign material in the paraffin section of the fungal ball successfully detected zinc, sulfur, and barium, all of which were constituents of the gutta\u2010percha point. The gutta\u2010percha point might have facilitated the formation of the fungal ball through disruption of the sinus\u2010clearing mechanism. Another interesting histological feature of the fungal ball was the finding of calcium oxalate crystals and non\u2010hyphal fungal elements such as cleistothecia, H\u00fclle cells, and conidial heads. This is the first report of such a combination being found in a specimen of human fungal disease. Although fungal culture was not available in the present case, molecular analysis of the formalin\u2010fixed paraffin\u2010embedded tissue of the fungal ball succeeded in revealing only DNA sequences of <jats:italic>Aspergillus nidulans<\/jats:italic> and some other environmental <jats:italic>Aspergillus<\/jats:italic> spp.<\/jats:p>","DOI":"10.1111\/pin.12790","type":"journal-article","created":{"date-parts":[[2019,6,19]],"date-time":"2019-06-19T09:44:31Z","timestamp":1560937471000},"page":"360-365","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":12,"title":["A fungal ball within a maxillary sinus with dental root canal filler and rare fungal propagules"],"prefix":"10.1111","volume":"69","author":[{"given":"Masatomo","family":"Kimura","sequence":"first","affiliation":[{"name":"Department of Pathology Kindai University Faculty of Medicine  Osaka Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Akifumi","family":"Enomoto","sequence":"additional","affiliation":[{"name":"Department of Oral and Maxillofacial Surgery Kindai University Faculty of Medicine  Osaka Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Osamu","family":"Maenishi","sequence":"additional","affiliation":[{"name":"Department of Pathology Kindai University Faculty of Medicine  Osaka Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Takaaki","family":"Chikugo","sequence":"additional","affiliation":[{"name":"Department of Pathology Kindai University Faculty of Medicine  Osaka Japan"},{"name":"Center for General Medical Education and Clinical Training Kindai University Faculty of Medicine  Osaka Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Takashi","family":"Sugita","sequence":"additional","affiliation":[{"name":"Department of Microbiology Meiji Pharmaceutical University  Tokyo Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2019,6,18]]},"reference":[{"key":"e_1_2_9_1_2_1","first-page":"55","volume-title":"Pathologic Diagnosis of Fungal Infections","author":"Chandler FW","year":"1987"},{"key":"e_1_2_9_1_3_1","doi-asserted-by":"publisher","DOI":"10.1097\/00005537-199701000-00021"},{"key":"e_1_2_9_1_4_1","doi-asserted-by":"publisher","DOI":"10.1007\/BF00463584"},{"key":"e_1_2_9_1_5_1","doi-asserted-by":"publisher","DOI":"10.1038\/sj.bdj.4804957"},{"key":"e_1_2_9_1_6_1","first-page":"737","article-title":"Crystals occurring in pulmonary cytology specimens. 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