{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,4]],"date-time":"2026-06-04T23:36:47Z","timestamp":1780616207257,"version":"3.54.1"},"reference-count":29,"publisher":"MDPI AG","issue":"3","license":[{"start":{"date-parts":[[2015,9,1]],"date-time":"2015-09-01T00:00:00Z","timestamp":1441065600000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Craniomaxillofacial Trauma &amp; Reconstruction"],"published-print":{"date-parts":[[2015,9]]},"abstract":"<jats:p> Acute posttraumatic enophthalmos is a well-known symptom occurring in orbital blowout fractures. Its late onset in the absence of radiologic evidence of displaced fractures is rare and traditionally attributed to ischemic liponecrosis or fibrotic scarring of endo-orbital soft tissues. In this article, we describe a case of facial trauma, diagnosed and treated at the Maxillo-Facial Surgical Department of Hospital Ca\u2019 Granda Niguarda of Milan, in which delayed monolateral enophthalmos is associated with CT evidence of remodeling of orbital walls attributed to atelectasis of the maxillary sinus, as occurs spontaneously in patients suffering from silent sinus syndrome (SSS). Despite that classic criteria exclude traumatic etiology of SSS, recent literature suggests the possibility to include it. Our case is the first reported in literature supported by complete clinical and radiological documentation obtained before and after the condition established itself. The analogy with cases of spontaneous obstacle of aeration allows us to choose \u201ctwo-step\u201d surgical treatment with endoscopic uncinectomy and antrostomy and a delayed surgical correction of orbital volume to improve aesthetic results. The case described in this article and the review of the literature may focus physicians\u2019 attention on evaluating the possible traumatic changes in the physiologic sinus drainage system. <\/jats:p>","DOI":"10.1055\/s-0034-1399799","type":"journal-article","created":{"date-parts":[[2015,1,14]],"date-time":"2015-01-14T23:33:26Z","timestamp":1421278406000},"page":"251-256","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":17,"title":["Posttraumatic Delayed Enophthalmos: Analogies with Silent Sinus Syndrome? Case Report and Literature Review"],"prefix":"10.3390","volume":"8","author":[{"given":"Gabriele","family":"Canzi","sequence":"first","affiliation":[{"name":"Emergency Department, Maxillofacial Surgery Unit, Milan, Italy"},{"name":"Department of Surgery and Interdisciplinary Medicine, Maxillo-Facial Surgery Unit, University of Milano-Bicocca, Monza, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Valeria","family":"Morganti","sequence":"additional","affiliation":[{"name":"Department of Surgery and Interdisciplinary Medicine, Maxillo-Facial Surgery Unit, University of Milano-Bicocca, Monza, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Giorgio","family":"Novelli","sequence":"additional","affiliation":[{"name":"Department of Surgery and Interdisciplinary Medicine, Maxillo-Facial Surgery Unit, University of Milano-Bicocca, Monza, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Alberto","family":"Bozzetti","sequence":"additional","affiliation":[{"name":"Emergency Department, Maxillofacial Surgery Unit, Milan, Italy"},{"name":"Department of Surgery and Interdisciplinary Medicine, Maxillo-Facial Surgery Unit, University of Milano-Bicocca, Monza, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Davide","family":"Sozzi","sequence":"additional","affiliation":[{"name":"Emergency Department, Maxillofacial Surgery Unit, Milan, Italy"},{"name":"Department of Surgery and Interdisciplinary Medicine, Maxillo-Facial Surgery Unit, University of Milano-Bicocca, Monza, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2015,9,1]]},"reference":[{"key":"bibr1-s-0034-1399799","doi-asserted-by":"publisher","DOI":"10.1016\/j.survophthal.2007.06.009"},{"key":"bibr2-s-0034-1399799","doi-asserted-by":"publisher","DOI":"10.1136\/bjo.78.8.618"},{"key":"bibr3-s-0034-1399799","doi-asserted-by":"publisher","DOI":"10.1097\/01.IOP.0000129016.40126.8B"},{"key":"bibr4-s-0034-1399799","first-page":"41","volume":"43","author":"Montgomery WW","year":"1964","journal-title":"Eye Ear Nose Throat Mon"},{"key":"bibr5-s-0034-1399799","doi-asserted-by":"publisher","DOI":"10.1016\/S0161-6420(94)31267-X"},{"key":"bibr6-s-0034-1399799","doi-asserted-by":"publisher","DOI":"10.1177\/014556130007900810"},{"issue":"12","key":"bibr7-s-0034-1399799","first-page":"1653","volume":"117","author":"Davidson JK","year":"1999","journal-title":"Arch Ophthalmol"},{"key":"bibr8-s-0034-1399799","doi-asserted-by":"publisher","DOI":"10.1097\/00005537-200106000-00008"},{"key":"bibr9-s-0034-1399799","doi-asserted-by":"publisher","DOI":"10.1016\/j.bjoms.2011.10.001"},{"key":"bibr10-s-0034-1399799","doi-asserted-by":"publisher","DOI":"10.1097\/01.scs.0000168996.35505.08"},{"key":"bibr11-s-0034-1399799","doi-asserted-by":"publisher","DOI":"10.1016\/S0161-6420(02)01994-2"},{"key":"bibr12-s-0034-1399799","doi-asserted-by":"publisher","DOI":"10.1097\/WNO.0b013e3181772956"},{"key":"bibr13-s-0034-1399799","doi-asserted-by":"publisher","DOI":"10.1016\/j.amjoto.2008.09.003"},{"key":"bibr14-s-0034-1399799","doi-asserted-by":"publisher","DOI":"10.1136\/bjo.2003.035386"},{"key":"bibr15-s-0034-1399799","doi-asserted-by":"publisher","DOI":"10.1016\/S0161-6420(81)80015-2"},{"key":"bibr16-s-0034-1399799","doi-asserted-by":"publisher","DOI":"10.1177\/000348949810700107"},{"key":"bibr17-s-0034-1399799","doi-asserted-by":"publisher","DOI":"10.1177\/194589240301700206"},{"issue":"2","key":"bibr18-s-0034-1399799","first-page":"125","volume":"5","author":"Babin E","year":"2009","journal-title":"B-ENT"},{"key":"bibr19-s-0034-1399799","doi-asserted-by":"publisher","DOI":"10.1016\/j.ijom.2005.01.011"},{"key":"bibr20-s-0034-1399799","doi-asserted-by":"publisher","DOI":"10.1097\/01.iop.0000167788.12383.36"},{"issue":"6","key":"bibr21-s-0034-1399799","first-page":"929","volume":"60","author":"Babi\u0144ski D","year":"2006","journal-title":"Otolaryngol Pol"},{"key":"bibr22-s-0034-1399799","doi-asserted-by":"publisher","DOI":"10.2310\/7070.2005.4098"},{"key":"bibr23-s-0034-1399799","doi-asserted-by":"publisher","DOI":"10.1007\/s00405-006-0011-4"},{"key":"bibr24-s-0034-1399799","doi-asserted-by":"publisher","DOI":"10.1017\/S0022215111001952"},{"key":"bibr25-s-0034-1399799","doi-asserted-by":"publisher","DOI":"10.1017\/S0022215100131536"},{"key":"bibr26-s-0034-1399799","doi-asserted-by":"publisher","DOI":"10.1177\/000348949310200604"},{"key":"bibr27-s-0034-1399799","doi-asserted-by":"publisher","DOI":"10.1007\/s00266-004-0118-1"},{"key":"bibr28-s-0034-1399799","doi-asserted-by":"publisher","DOI":"10.1016\/j.otohns.2005.02.008"},{"key":"bibr29-s-0034-1399799","doi-asserted-by":"publisher","DOI":"10.1016\/j.jcms.2009.12.003"}],"container-title":["Craniomaxillofacial Trauma &amp; 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