{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,7,30]],"date-time":"2025-07-30T11:45:02Z","timestamp":1753875902456,"version":"3.41.2"},"reference-count":11,"publisher":"Oxford University Press (OUP)","issue":"4","license":[{"start":{"date-parts":[[2024,7,9]],"date-time":"2024-07-09T00:00:00Z","timestamp":1720483200000},"content-version":"vor","delay-in-days":8,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2024,7,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:p>We report the MRI findings of a patient with an atypical meningioma who presented with spontaneous infarction. A 67-year-old man with histories of recurrent meningioma complained of left ocular protrusion and a subsequent biopsy revealed atypical meningioma. Contrast-enhanced CT showed a uniformly enhancing tumour in the left ethmoid sinus, but MRI 2\u2009days later showed no enhancement on Gd-T1WI and severe diffusion restriction on DWI, indicating spontaneous infarction. APT-CEST imaging showed slight hypointensity in comparison to the normal brain with a mean MTR asymmetry value of 0.48%. Tumour regrowth was confirmed on MRI after 2\u2009months. The recurrent tumour showed moderate diffusion restriction on DWI and hyperintensity with a mean MTR asymmetry value of 2.59% on APT-CEST imaging. The decreased signal on APT-CEST at the time of spontaneous infarction may have been attributed to intratumoral acidosis and loss of viable tumour. APT-CEST imaging is useful for evaluating the intratumoral condition and tumour viability of the infarcted or ischemic tumour.<\/jats:p>","DOI":"10.1093\/bjrcr\/uaae023","type":"journal-article","created":{"date-parts":[[2024,7,9]],"date-time":"2024-07-09T09:28:05Z","timestamp":1720517285000},"source":"Crossref","is-referenced-by-count":0,"title":["A case of atypical meningioma presenting spontaneous infarction: the findings of magnetic resonance imaging, including amide proton transfer-chemical exchange saturation transfer imaging"],"prefix":"10.1093","volume":"10","author":[{"given":"Etsushi","family":"Iida","sequence":"first","affiliation":[{"name":"Department of Radiology, Graduate School of Medicine, Yamaguchi University , Ube 755-8505, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Atsuo","family":"Inoue","sequence":"additional","affiliation":[{"name":"Department of Radiology, Graduate School of Medicine, Yamaguchi University , Ube 755-8505, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Masaya","family":"Tanabe","sequence":"additional","affiliation":[{"name":"Department of Radiology, Graduate School of Medicine, Yamaguchi University , Ube 755-8505, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Naohiko","family":"Kamamura","sequence":"additional","affiliation":[{"name":"Department of Radiology, Graduate School of Medicine, Yamaguchi University , Ube 755-8505, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Katsuyoshi","family":"Ito","sequence":"additional","affiliation":[{"name":"Department of Radiology, Graduate School of Medicine, Yamaguchi University , Ube 755-8505, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"286","published-online":{"date-parts":[[2024,7,9]]},"reference":[{"issue":"1","key":"2024072222103577800_uaae023-B1","first-page":"97","article-title":"Intraspinal meningioma with malignant transformation and distant 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