{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,21]],"date-time":"2026-10-21T20:51:14Z","timestamp":1792615874410,"version":"4.5.0"},"reference-count":37,"publisher":"Oxford University Press (OUP)","issue":"4","license":[{"start":{"date-parts":[[2024,11,13]],"date-time":"2024-11-13T00:00:00Z","timestamp":1731456000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/academic.oup.com\/pages\/standard-publication-reuse-rights"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2025,5,15]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Meningiomas are the most common primary intracranial tumors in adults. Several studies proposed new stratification systems with a more accurate risk prediction than the WHO grading, eg, based on methylation and copy-number variations (CNVs). Yet, common shortcomings in these analyses are either a lack of stratification by sex of patients or excluding the gonosomes from CNV assessment.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>Within this study, DNA methylation array data from 7424 meningioma samples as well as targeted sequencing, clinical annotations, and morphology subtyping of 796 samples were examined for differences between females and males regarding mutations, methylation classes, CNVs, and histology.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>Meningiomas from females accounted for about 53% of the malignant tumors and present a loss of one X chromosome in 57% of these malignant cases. In the group of benign tumors, females comprised about 75% of the patients. Therein, a loss of one X chromosome was detected in only about 10% of the cases but was associated with a significantly worse progression-free survival.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>Although genomic instability is a common feature of malignant meningiomas, particularly loss of the X chromosome in tumors of female patients in otherwise histologically and molecularly low-risk tumors confers higher risk. Hence, the gonosomal copy-number status can be leveraged for increased diagnostic accuracy.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1093\/neuonc\/noae239","type":"journal-article","created":{"date-parts":[[2024,11,12]],"date-time":"2024-11-12T15:29:43Z","timestamp":1731425383000},"page":"1019-1028","source":"Crossref","is-referenced-by-count":14,"title":["Meningiomas: Sex-specific differences and prognostic implications of a chromosome X loss"],"prefix":"10.1093","volume":"27","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-5791-698X","authenticated-orcid":false,"given":"Natalie","family":"Berghaus","sequence":"first","affiliation":[{"name":"Clinical Cooperation Unit Neuropathology, German Cancer Research Center (DKFZ) , Heidelberg ,","place":["Germany"]},{"name":"Department of Neuropathology, University Hospital Heidelberg , Heidelberg 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