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<PubmedArticle><MedlineCitation Status="PubMed-not-MEDLINE" Owner="NLM"><PMID Version="1">31062531</PMID><DateRevised><Year>2020</Year><Month>09</Month><Day>30</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">2288-2405</ISSN><JournalIssue CitedMedium="Print"><Volume>7</Volume><Issue>1</Issue><PubDate><Year>2019</Year><Month>Apr</Month></PubDate></JournalIssue><Title>Brain tumor research and treatment</Title><ISOAbbreviation>Brain Tumor Res Treat</ISOAbbreviation></Journal><ArticleTitle>A Case of Recurrent Supratentorial Extraventricular Anaplastic Ependymoma in Adult.</ArticleTitle><Pagination><StartPage>44</StartPage><EndPage>47</EndPage><MedlinePgn>44-47</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.14791/btrt.2019.7.e26</ELocationID><Abstract><AbstractText>Supratentorial extraventricular anaplastic ependymoma (SEAE) in adults is a relatively rare intracranial tumor. Because of the very low prevalence, only a few cases have been reported. According to a recent study, SEAE is associated with a poor prognosis and there is no definite consensus on optimal treatment. We report a case of an adult SEAE patient who had no recurrence until seven years after a gross total resection (GTR) followed by conventional radiotherapy. A 42-year-old male had a persistent mild headache, left facial palsy, dysarthria, and left hemiparesis. Preoperative neuroimaging revealed an anaplastic astrocytoma or supratentorial ependymoma in the right frontal lobe. A GTR was performed, followed by adjuvant radiotherapy. Histologic and immunohistochemical results revealed anaplastic ependymoma. After seven years of initial therapy, a regular follow-up MRI showed a 3-cm-sized partially cystic mass in the same area as the initial tumor. The patient underwent a craniotomy, and a GTR was performed. Histopathologic examination revealed recurrence of the SEAE. External radiotherapy was performed. The patient has been stable without any disease progression or complications for 12 months since the surgery for recurrent SEAE.</AbstractText><CopyrightInformation>Copyright &#xa9; 2019 The Korean Brain Tumor Society, The Korean Society for Neuro-Oncology, and The Korean Society for Pediatric Neuro-Oncology.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Seo</LastName><ForeName>Sung Won</ForeName><Initials>SW</Initials><AffiliationInfo><Affiliation>Department of Neurosurgery, Daegu Fatima Hospital, Daegu, Korea.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Kang</LastName><ForeName>Ho Jun</ForeName><Initials>HJ</Initials><AffiliationInfo><Affiliation>Department of Neurosurgery, Daegu Fatima Hospital, Daegu, Korea. nshojun@naver.com.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Lee</LastName><ForeName>Min Seok</ForeName><Initials>MS</Initials><AffiliationInfo><Affiliation>Department of Neurosurgery, Daegu Fatima Hospital, Daegu, Korea.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Suh</LastName><ForeName>Sang Jun</ForeName><Initials>SJ</Initials><AffiliationInfo><Affiliation>Department of Neurosurgery, Daegu Fatima Hospital, Daegu, Korea.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Lee</LastName><ForeName>Yoon Soo</ForeName><Initials>YS</Initials><AffiliationInfo><Affiliation>Department of Neurosurgery, Daegu Fatima Hospital, Daegu, Korea.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Lee</LastName><ForeName>Jeong Ho</ForeName><Initials>JH</Initials><AffiliationInfo><Affiliation>Department of Neurosurgery, Daegu Fatima Hospital, Daegu, Korea.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Kang</LastName><ForeName>Dong Gee</ForeName><Initials>DG</Initials><AffiliationInfo><Affiliation>Department of Neurosurgery, Daegu Fatima Hospital, Daegu, Korea.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D002363">Case Reports</PublicationType></PublicationTypeList></Article><MedlineJournalInfo><Country>Korea (South)</Country><MedlineTA>Brain Tumor Res Treat</MedlineTA><NlmUniqueID>101627407</NlmUniqueID><ISSNLinking>2288-2405</ISSNLinking></MedlineJournalInfo><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">Anaplastic ependymoma</Keyword><Keyword MajorTopicYN="N">Recurrence</Keyword><Keyword MajorTopicYN="N">Supratentorial neoplasms</Keyword></KeywordList><CoiStatement>The authors have no potential conflicts of interest.</CoiStatement></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2019</Year><Month>1</Month><Day>3</Day></PubMedPubDate><PubMedPubDate PubStatus="revised"><Year>2019</Year><Month>3</Month><Day>11</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2019</Year><Month>3</Month><Day>27</Day></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2019</Year><Month>5</Month><Day>8</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2019</Year><Month>5</Month><Day>8</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2019</Year><Month>5</Month><Day>8</Day><Hour>6</Hour><Minute>1</Minute></PubMedPubDate><PubMedPubDate PubStatus="pmc-release"><Year>2019</Year><Month>4</Month><Day>1</Day></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">31062531</ArticleId><ArticleId IdType="pmc">PMC6504761</ArticleId><ArticleId IdType="doi">10.14791/btrt.2019.7.e26</ArticleId><ArticleId IdType="pii">7.44</ArticleId></ArticleIdList><ReferenceList><Reference><Citation>Chen L, Zou X, Wang Y, Mao Y, Zhou L. 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