{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,3]],"date-time":"2026-03-03T04:29:35Z","timestamp":1772512175054,"version":"3.50.1"},"reference-count":33,"publisher":"Scientific Scholar","content-domain":{"domain":["surgicalneurologyint.com"],"crossmark-restriction":true},"short-container-title":[],"abstract":"<jats:sec id=\"st1\">\n<jats:title>Background: <\/jats:title>\n<jats:p>Solitary plasmacytoma is a localized lesion comprising monoclonal neoplastic proliferation of plasma cells. This disease is rarely encountered and few reports have described primary intracranial solitary plasmacytoma (PISP).<\/jats:p>\n<\/jats:sec>\n<jats:sec id=\"st2\">\n<jats:title>Case Description: <\/jats:title>\n<jats:p>We report a case of PISP that presented initially as status epilepticus and exhibited massive intratumoral hemorrhage at the subcortical area. To the best of our knowledge, this is the first recorded presentation of this pathology in this manner. Following evacuation of the hematoma and decompressive craniectomy, the patient underwent radiation therapy and showed no sign of tumor recurrence at 3 years after diagnosis.<\/jats:p>\n<\/jats:sec>\n<jats:sec id=\"st3\">\n<jats:title>Conclusion: <\/jats:title>\n<jats:p>This case reveals that PISP can present as subcortical intraparenchymal hemorrhage. It should be emphasized that the precise diagnosis of this disease is of utmost importance, because solitary plasmacytoma without a background of multiple myeloma responds well to radiation therapy.<\/jats:p>\n<\/jats:sec>","DOI":"10.25259\/sni_66_2022","type":"journal-article","created":{"date-parts":[[2022,4,22]],"date-time":"2022-04-22T10:58:31Z","timestamp":1650625111000},"page":"157","update-policy":"https:\/\/doi.org\/10.25259\/crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Novel case of primary intracranial solitary plasmacytoma presenting with significant intratumoral hemorrhage"],"prefix":"10.25259","volume":"13","author":[{"given":"Daisuke","family":"Sato","sequence":"first","affiliation":[{"name":"Department of Neurosurgery, The University of Tokyo Hospital, Tokyo,"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shunsaku","family":"Takayanagi","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, The 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