{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,6]],"date-time":"2026-02-06T04:55:53Z","timestamp":1770353753177,"version":"3.49.0"},"reference-count":44,"publisher":"Journal of Neurosurgery Publishing Group (JNSPG)","issue":"12","license":[{"start":{"date-parts":[[2023,3,20]],"date-time":"2023-03-20T00:00:00Z","timestamp":1679270400000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2023,3,20]]},"abstract":"<jats:sec>\n                    <jats:title>BACKGROUND<\/jats:title>\n                    <jats:p>Moyamoya disease (MMD) is linked to the formation of intracranial aneurysms. The authors recently observed an effective use of magnetic resonance vessel wall imaging (MR-VWI) to detect de novo unruptured MMD-associated microaneurysms.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>OBSERVATIONS<\/jats:title>\n                    <jats:p>The authors describe a 57-year-old female who was diagnosed with MMD 6 years ago after suffering a left putaminal hemorrhage. MR-VWI revealed point-like enhancement in the right posterior paraventricular region during the annual follow-up. On the T2-weighted image, this lesion was surrounded by high intensity. Angiography revealed a microaneurysm in the periventricular anastomosis. Right combined revascularization surgery was performed to prevent future hemorrhagic events. Another de novo circumferential enhanced lesion on MR-VWI appeared in the left posterior periventricular region 3 months after surgery. Angiography revealed that the enhanced lesion was a de novo microaneurysm on the periventricular anastomosis. The left combined revascularization surgery went well. The bilateral microaneurysms vanished on follow-up angiography.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>LESSONS<\/jats:title>\n                    <jats:p>Unruptured MMD-associated microaneurysms on the periventricular anastomosis can be detected using MR-VWI. Revascularization surgery can eliminate microaneurysms by reducing hemodynamic stress on the periventricular anastomosis.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.3171\/case2365","type":"journal-article","created":{"date-parts":[[2023,3,20]],"date-time":"2023-03-20T09:19:36Z","timestamp":1679303976000},"source":"Crossref","is-referenced-by-count":1,"title":["The use of vessel wall imaging to detect a de novo microaneurysm on the periventricular anastomoses in moyamoya disease: illustrative case"],"prefix":"10.3171","volume":"5","author":[{"given":"Atsuhiko","family":"Ninomiya","sequence":"first","affiliation":[{"name":"Department of Neurosurgery, Kohnan Hospital, Sendai, Miyagi, Japan"},{"name":"Department of Neurosurgery, Tohoku University Graduate School of Medicine, Sendai, Miyagi, Japan; and"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hidenori","family":"Endo","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, Kohnan Hospital, Sendai, Miyagi, Japan"},{"name":"Division of Advanced Cerebrovascular Surgery, Tohoku University Graduate School of Medicine, Sendai, Miyagi, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ryosuke","family":"Tashiro","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, Tohoku University Graduate School of Medicine, Sendai, Miyagi, Japan; and"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Atsushi","family":"Kanoke","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, Kohnan Hospital, Sendai, Miyagi, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Teiji","family":"Tominaga","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, Tohoku University Graduate School of Medicine, Sendai, Miyagi, Japan; and"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1754","reference":[{"issue":"2","key":"b1","series-title":"J Korean Neurosurg Soc","first-page":"136","article-title":"Hemorrhagic moyamoya disease: a recent update","volume":"62","author":"Fujimura M","year":"2019","unstructured":"Fujimura M, Tominaga T. 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