{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,26]],"date-time":"2025-10-26T13:36:13Z","timestamp":1761485773916,"version":"build-2065373602"},"reference-count":13,"publisher":"Oxford University Press (OUP)","issue":"10","license":[{"start":{"date-parts":[[2025,10,26]],"date-time":"2025-10-26T00:00:00Z","timestamp":1761436800000},"content-version":"vor","delay-in-days":26,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2025,9,30]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>Pneumosinus dilatans (PD) is a rare condition characterized by abnormal expansion of the paranasal sinus without bone destruction or significant mucosal disease. Its association with Dyke\u2013Davidoff Masson syndrome (DDMS) is particularly uncommon. We report the case of a 54-year-old female with learning disabilities, pseudoseizures, and asthma who was referred to our clinic after an MRI performed for decreased visual acuity revealed marked dilatation of the large left frontal sinus. She denied nasal symptoms but reported frontal headaches. Endoscopic examination was unremarkable. Imaging demonstrated progressive sinus enlargement and a mass effect in the left frontal lobe. The case was reviewed in a multidisciplinary setting and diagnosed as DDMS. Despite the conservative management, the patient remained stable. This case underscores the importance of recognizing PD and its rare associations, and emphasizes the value of multidisciplinary evaluation and radiological surveillance in selected patients.<\/jats:p>","DOI":"10.1093\/jscr\/rjaf836","type":"journal-article","created":{"date-parts":[[2025,10,21]],"date-time":"2025-10-21T11:30:40Z","timestamp":1761046240000},"source":"Crossref","is-referenced-by-count":0,"title":["Mass effect of a large frontal pneumosinus dilatans on the left frontal lobe: a case report and literature review"],"prefix":"10.1093","volume":"2025","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-6796-0028","authenticated-orcid":false,"given":"Abdullah","family":"Alabdulqader","sequence":"first","affiliation":[{"name":"Department of Otolaryngology, Head and Neck Surgery, College of Medicine, Imam Mohammad Ibn Saud Islamic University , Uthman Ibn Affan Rd, An Nada, Riyadh 13317 ,","place":["Kingdom of Saudi Arabia"]}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"286","published-online":{"date-parts":[[2025,10,26]]},"reference":[{"key":"2025102609293788200_ref1","first-page":"226","article-title":"Pneumosinus dilatans: clinical features and radiologic findings","volume":"145","author":"Choi","year":"2011","journal-title":"Otolaryngol Head Neck Surg"},{"key":"2025102609293788200_ref2","first-page":"190","article-title":"Pneumosinus dilatans of the sphenoid sinus: case report and review of the literature","volume":"23","author":"Trimarchi","year":"2003","journal-title":"Acta Otorhinolaryngol Ital"},{"key":"2025102609293788200_ref3","first-page":"45","article-title":"Pneumosinus dilatans: an unusual presentation","volume":"141","author":"Chahboun","year":"2024","journal-title":"Eur Ann Otorhinolaryngol Head Neck Dis"},{"key":"2025102609293788200_ref4","first-page":"420","article-title":"Pneumosinus dilatans: case report and review of the literature","volume":"40","author":"Aguiar","year":"1998","journal-title":"Neuroradiology"},{"key":"2025102609293788200_ref5","first-page":"59","article-title":"Pneumosinus dilatans in a child: case report","volume":"9","author":"Malik","year":"2014","journal-title":"J Pediatr Neurosci"},{"key":"2025102609293788200_ref6","first-page":"76","article-title":"Pneumosinus dilatans of the sphenoid sinus: CT and MRI findings","volume":"13","author":"Atalar","year":"2007","journal-title":"Diagn Interv Radiol"},{"key":"2025102609293788200_ref7","first-page":"405","article-title":"Pneumosinus dilatans frontalis: case report and literature review","volume":"40","author":"Alatar","year":"2019","journal-title":"Saudi Med J"},{"key":"2025102609293788200_ref8","first-page":"128","article-title":"Pneumosinus dilatans: CT and MRI findings","volume":"34","author":"K\u0131ro\u011flu","year":"2007","journal-title":"J Neuroradiol"},{"key":"2025102609293788200_ref9","first-page":"153","article-title":"Incidence and clinico-anatomical relevance of pneumosinus dilatans frontalis","volume":"79","author":"Nowinski","year":"2020","journal-title":"Folia Morphol"},{"key":"2025102609293788200_ref10","first-page":"e24","article-title":"Pneumosinus dilatans associated with craniosynostosis: case report","volume":"33","author":"Hamid","year":"2022","journal-title":"J Craniofac Surg"},{"key":"2025102609293788200_ref11","first-page":"1","article-title":"Pneumosinus dilatans of the sphenoid sinus: a case report","volume":"16","author":"Al-Smair","year":"2022","journal-title":"J Radiol Case Rep"},{"key":"2025102609293788200_ref12","first-page":"e177","article-title":"Pneumosinus dilatans of the sphenoid sinus: case report","volume":"26","author":"Ricci","year":"2015","journal-title":"J Craniofac Surg"},{"key":"2025102609293788200_ref13","first-page":"1993","article-title":"Pneumosinus dilatans frontalis: report of two cases and literature review","volume":"120","author":"Taub","year":"2007","journal-title":"Plast Reconstr Surg"}],"container-title":["Journal of Surgical Case 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