@article {Montoya:2020:2637-8329:92, title = "Regressed Pneumatization: Fatty Replacement of Previously Aerated Air Cells Mimicking Arrested Pneumatization", journal = "Neurographics", parent_itemid = "infobike://asnr/ng", publishercode ="asnr", year = "2020", volume = "10", number = "2", publication date ="2020-04-01T00:00:00", pages = "92-95", itemtype = "ARTICLE", issn = "2637-8329", eissn = "2637-8329", url = "https://asnr.publisher.ingentaconnect.com/content/asnr/ng/2020/00000010/00000002/art00004", doi = "doi:10.3174/ng.1900036", author = "Montoya, S.P. and Wang, H.Z.", abstract = "Arrested pneumatization is characterized by the failure of pneumatization during development, which results in persistent fatty marrow within the air cells. Arrested pneumatization is a normal variant, which should not be mistaken for pathology; however, perhaps not all cases are developmental. We present a case of acquired fatty replacement of a previously pneumatized petrous bone, which is neither developmental nor pathologic. To our knowledge, this has not been described previously in the scientific literature.", }