{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,25]],"date-time":"2026-08-25T18:43:03Z","timestamp":1787683383852,"version":"build-2784847793"},"reference-count":23,"publisher":"Journal of Neurosurgery Publishing Group (JNSPG)","issue":"6","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[1990,12]]},"abstract":"<jats:p content-type=\"fine-print\">\u2713 A 75-year-old man presented with a right cerebellopontine angle tumor 11 months after complete macroscopic resection of a right acoustic neurilemoma. Histological examination of the recurrent tumor showed a malignant spindle-cell neoplasm with positive staining for S-100 protein. The patient had no stigmata of von Recklinghausen's disease. It is proposed that this recurrence represents progression from a benign to a malignant acoustic nerve-sheath tumor, an event that is extremely rare outside the clinicopathological context of neurofibromatosis.<\/jats:p>","DOI":"10.3171\/jns.1990.73.6.0946","type":"journal-article","created":{"date-parts":[[2009,5,13]],"date-time":"2009-05-13T18:12:09Z","timestamp":1242238329000},"page":"946-950","source":"Crossref","is-referenced-by-count":45,"title":["Recurrence of acoustic neurilemoma as a malignant spindle-cell neoplasm"],"prefix":"10.3171","volume":"73","author":[{"given":"Catriona A.","family":"McLean","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"John D.","family":"Laidlaw","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"David S. 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