{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,30]],"date-time":"2026-01-30T00:14:02Z","timestamp":1769732042283,"version":"3.49.0"},"reference-count":64,"publisher":"Journal of Neurosurgery Publishing Group (JNSPG)","issue":"19","license":[{"start":{"date-parts":[[2024,11,4]],"date-time":"2024-11-04T00:00:00Z","timestamp":1730678400000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J Cosmet Laser Ther"],"published-print":{"date-parts":[[2024,11,4]]},"abstract":"<jats:sec>\n                    <jats:title>BACKGROUND<\/jats:title>\n                    <jats:p>Recently, it has been shown that DNA methylation arrays and German Cancer Research Center (Deutsches Krebsforschungszentrum) methylation classifiers are useful aids in brain tumor diagnosis for cases in which histopathological diagnosis is difficult. However, not enough is known about diagnostic aids for intracranial liposarcoma (LPS).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>OBSERVATIONS<\/jats:title>\n                    <jats:p>An 18-year-old woman with a history of natural killer\/T-cell lymphoma, which had been treated with a bone marrow transplant and total body irradiation at age 11 years, presented with diplopia. Magnetic resonance imaging revealed a brain tumor in the posterior left temporal lobe, which was removed by craniotomy. The tumor was initially diagnosed as pleomorphic xanthoastrocytoma through histopathological and DNA methylation examination. She also had a soft tissue tumor in her left thigh, which was removed. It contained spindle cells with oval nuclei and highly pleomorphic cells and was diagnosed as radiation-induced LPS. Histopathological re-examination of the brain tumor led to a final diagnosis of pleomorphic LPS.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>LESSONS<\/jats:title>\n                    <jats:p>In this report, the authors describe the case of a patient with an intracranial pleomorphic LPS that was initially classified as a pleomorphic xanthoastrocytoma by a DNA methylation classifier. Although DNA methylation classifiers are useful as diagnostic aids in cases in which definitive pathology is difficult to determine, there is a risk of misdiagnosis in some types of tumors.<\/jats:p>\n                    <jats:p>\n                      <jats:ext-link xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" ext-link-type=\"uri\" xlink:href=\"https:\/\/thejns.org\/doi\/10.3171\/CASE24465\">https:\/\/thejns.org\/doi\/10.3171\/CASE24465<\/jats:ext-link>\n                    <\/jats:p>\n                  <\/jats:sec>","DOI":"10.3171\/case24465","type":"journal-article","created":{"date-parts":[[2024,11,4]],"date-time":"2024-11-04T01:45:43Z","timestamp":1730684743000},"source":"Crossref","is-referenced-by-count":0,"title":["Intracranial pleomorphic liposarcoma misclassified as a pleomorphic xanthoastrocytoma by a DNA methylation classifier: illustrative case"],"prefix":"10.3171","volume":"8","author":[{"given":"Kohichi","family":"Go","sequence":"first","affiliation":[{"name":"Departments of Neurosurgery, Kyoto University Graduate School of Medicine, Kyoto, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yasuhide","family":"Makino","sequence":"additional","affiliation":[{"name":"Departments of Neurosurgery, Kyoto University Graduate School of Medicine, Kyoto, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yasuhide","family":"Takeuchi","sequence":"additional","affiliation":[{"name":"Diagnostic Pathology, Kyoto University Graduate School of Medicine, Kyoto, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sachiko","family":"Minamiguchi","sequence":"additional","affiliation":[{"name":"Diagnostic Pathology, Kyoto University Graduate School of Medicine, Kyoto, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shigeki","family":"Takada","sequence":"additional","affiliation":[{"name":"Departments of Neurosurgery, Kyoto University Graduate School of Medicine, Kyoto, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Noritaka","family":"Sano","sequence":"additional","affiliation":[{"name":"Departments of Neurosurgery, Kyoto University Graduate School of Medicine, Kyoto, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Masahiro","family":"Tanji","sequence":"additional","affiliation":[{"name":"Departments of Neurosurgery, Kyoto University Graduate School of Medicine, Kyoto, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yohei","family":"Mineharu","sequence":"additional","affiliation":[{"name":"Departments of Neurosurgery, Kyoto University Graduate School of Medicine, Kyoto, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Masato","family":"Hojo","sequence":"additional","affiliation":[{"name":"Departments of Neurosurgery, Kyoto University Graduate School of Medicine, Kyoto, Japan"},{"name":"Department of Neurosurgery, Shiga General Hospital, Shiga, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hironori","family":"Haga","sequence":"additional","affiliation":[{"name":"Diagnostic Pathology, Kyoto University Graduate School of Medicine, Kyoto, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yoshiki","family":"Arakawa","sequence":"additional","affiliation":[{"name":"Departments of Neurosurgery, Kyoto University Graduate School of Medicine, Kyoto, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1754","reference":[{"issue":"9","key":"bib1","series-title":"Skelet Rad","first-page":"493","article-title":"Malignant fatty tumors: classification, clinical course, imaging appearance and treatment","volume":"32","author":"Peterson","year":"2003","unstructured":"Peterson JJKransdorf MJBancroft LWO\u2019Connor MI. 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Genome-wide methylation profiling and copy number analysis in atypical fibroxanthomas and pleomorphic dermal sarcomas indicate a similar molecular phenotype. Clin Sarcoma Res. 2019;9:2."},{"issue":"1","key":"bib29","series-title":"J Cancer Res Clin Oncol","first-page":"97","article-title":"DNA methylation-based profiling of uterine neoplasms: a novel tool to improve gynecologic cancer diagnostics","volume":"146","author":"Kommoss","year":"2020","unstructured":"Kommoss FKFStichel DSchrimpf D, et al. DNA methylation-based profiling of uterine neoplasms: a novel tool to improve gynecologic cancer diagnostics. J Cancer Res Clin Oncol. 2020;146(1):97-104."},{"issue":"1","key":"bib30","series-title":"Clin Cancer Res","first-page":"93","article-title":"DNA methylation profiling identifies distinct clusters in angiosarcomas","volume":"26","author":"Weidema","year":"2020","unstructured":"Weidema MEvan de Geer EKoelsche C, et al. 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