{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,9,9]],"date-time":"2025-09-09T21:37:37Z","timestamp":1757453857314,"version":"3.38.0"},"reference-count":15,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2025,1,2]],"date-time":"2025-01-02T00:00:00Z","timestamp":1735776000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["IJU Case Reports"],"published-print":{"date-parts":[[2025,3]]},"abstract":"<jats:sec><jats:title>Introduction<\/jats:title><jats:p>Paraneoplastic neurological syndrome is a type of neurological syndrome that occurs in patients with cancer; however, it is rarely associated with prostate cancer. We herein report a rare case of this condition.<\/jats:p><\/jats:sec><jats:sec><jats:title>Case presentation<\/jats:title><jats:p>A 76\u2010year\u2010old man, treated conservatively for rotatory vertigo due to a subtype of Guillain\u2013Barr\u00e9 syndrome after COVID\u201019, was referred to our neurology department. Magnetic resonance imaging showed no obvious findings; however, paraneoplastic neurological syndrome was suspected due to opsomyoclonus, and close examination of the primary tumor revealed a high prostate\u2010specific antigen level and bone metastases, suggesting prostate cancer. Paraneoplastic nerve syndrome associated with prostate cancer was suspected. Since the possibility of OMS associated with COVID\u201019 infection was considered, bilateral orchiectomy and endocrine therapy, as well as pulse steroid therapy, were performed, and the patient's symptoms resolved.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>This rare case suggests the need for timely and aggressive treatment for prostate cancer\u2013associated paraneoplastic nerve syndrome.<\/jats:p><\/jats:sec>","DOI":"10.1002\/iju5.12825","type":"journal-article","created":{"date-parts":[[2025,1,3]],"date-time":"2025-01-03T01:49:23Z","timestamp":1735868963000},"page":"129-132","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["A case of suspected paraneoplastic nerve syndrome associated with prostate cancer or opsoclonus\u2010myoclonus syndrome associated with <scp>COVID<\/scp>\u201019 infection, but symptoms improved after treatment of both"],"prefix":"10.1002","volume":"8","author":[{"ORCID":"https:\/\/orcid.org\/0009-0004-9599-3507","authenticated-orcid":false,"given":"Naoya","family":"Tomomasa","sequence":"first","affiliation":[{"name":"Department of Urology SUBARU Health Insurance Society Ota Memorial Hospital  Ota Gunma Japan"},{"name":"Department of Urology Jikei University School of Medicine  Minato\u2010Ku Tokyo Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sotaro","family":"Kayano","sequence":"additional","affiliation":[{"name":"Department of Urology SUBARU Health Insurance Society Ota Memorial Hospital  Ota Gunma Japan"},{"name":"Department of Urology Jikei University School of Medicine  Minato\u2010Ku Tokyo Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Tatsuya","family":"Monzen","sequence":"additional","affiliation":[{"name":"Department of Neurology SUBARU Health Insurance Society Ota Memorial Hospital  Ota Gunma Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Tatsuya","family":"Shimomura","sequence":"additional","affiliation":[{"name":"Department of Urology Jikei University School of Medicine  Minato\u2010Ku Tokyo Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Takahiro","family":"Kimura","sequence":"additional","affiliation":[{"name":"Department of Urology Jikei University School of Medicine  Minato\u2010Ku Tokyo Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2025,1,2]]},"reference":[{"key":"e_1_2_14_2_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00415-016-8090-7"},{"key":"e_1_2_14_3_1","doi-asserted-by":"publisher","DOI":"10.4065\/mcp.2010.0099"},{"key":"e_1_2_14_4_1","doi-asserted-by":"publisher","DOI":"10.1097\/CCO.0000000000000222"},{"key":"e_1_2_14_5_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00415-019-09544-1"},{"key":"e_1_2_14_6_1","doi-asserted-by":"publisher","DOI":"10.1136\/jnnp.2003.034447"},{"key":"e_1_2_14_7_1","doi-asserted-by":"publisher","DOI":"10.1212\/NXI.0000000000001014"},{"key":"e_1_2_14_8_1","doi-asserted-by":"publisher","DOI":"10.3389\/fimmu.2022.790400"},{"key":"e_1_2_14_9_1","doi-asserted-by":"publisher","DOI":"10.4103\/aian.aian_773_21"},{"key":"e_1_2_14_10_1","article-title":"Paraneoplastic neurological syndromes of the central nervous system: pathophysiology, diagnosis, and 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