{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,16]],"date-time":"2026-09-16T16:09:54Z","timestamp":1789574994116,"version":"build-2803163510"},"reference-count":30,"publisher":"Wiley","license":[{"start":{"date-parts":[[2016,1,1]],"date-time":"2016-01-01T00:00:00Z","timestamp":1451606400000},"content-version":"unspecified","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Case Reports in Dentistry"],"published-print":{"date-parts":[[2016]]},"abstract":"<jats:p><jats:italic>Purpose<\/jats:italic>. We present a case of a bilateral postoperative maxillary cyst (PMC) and discuss this with a systemic review.<jats:italic>Case Report and Literature Review<\/jats:italic>. A 68-year-old female with pain and swelling on the right side of the face. MRI and CT showed a cystic tumors of the right and left maxillary sinus. Radical maxillary surgery via a Caldwell-Luc procedure had been performed 55 years ago and bilateral PMC was diagnosed. The PubMed database was searched for PMC within the last 30 years.<jats:italic>Results<\/jats:italic>. Together with the current case, we found 23 reports including 284 patients describing PMC. It was diagnosed at a mean time of 22 years after causal surgery at a mean age of 47 years. Initial symptoms were mostly pain with or without swelling. The main radiological sign was a unilocular radiolucency with a slight preference for the left side.<jats:italic>Discussion<\/jats:italic>. PMC is a long-term complication that can occur after maxillary sinus surgery and a second surgical approach is required in order to stop cystic expansion. Therefore, patients\u2019 informed consent on this complication as well as a prolonged follow-up is recommended. Simple paranasal ultrasound or paranasal sinus plain radiography may lead to an earlier detection reducing interventional morbidity.<\/jats:p>","DOI":"10.1155\/2016\/6263248","type":"journal-article","created":{"date-parts":[[2016,7,11]],"date-time":"2016-07-11T18:27:11Z","timestamp":1468261631000},"page":"1-8","source":"Crossref","is-referenced-by-count":9,"title":["Bilateral Postoperative Cyst after Maxillary Sinus Surgery: Report of a Case and Systematic Review of the Literature"],"prefix":"10.1155","volume":"2016","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-5244-0679","authenticated-orcid":true,"given":"Boris-Mark","family":"Niederquell","sequence":"first","affiliation":[{"name":"Department of Oral, Maxillofacial and Plastic Surgery, University Medical Centre Rostock, Schillingallee 35, 18057 Rostock, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Peter A.","family":"Brennan","sequence":"additional","affiliation":[{"name":"Maxillofacial Unit, Queen 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