{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,4]],"date-time":"2026-08-04T19:24:42Z","timestamp":1785871482229,"version":"3.56.0"},"reference-count":24,"publisher":"Scientific Scholar","content-domain":{"domain":["surgicalneurologyint.com"],"crossmark-restriction":true},"short-container-title":[],"abstract":"\nBackground: <\/jats:title>\nParasellar plasmacytomas are rare neurosurgical entities. Intrinsic characteristics of these tumors, such as adjacent bone erosion and symptoms resulting from invasion and mass effect, may lead to the possibility of a solitary extramedullary plasmacytoma (SEP) as a differential diagnosis.<\/jats:p>\n<\/jats:sec>\n\nCase Description: <\/jats:title>\nWe present the case of a 39-year-old male with a 1-month history of bilateral decreased visual acuity, retroocular pulsating pain, and chromatic vision loss. A computed tomography scan of the head revealed a parasellar lesion causing chiasmatic compression, as well as clival, orbital, sphenoidal, and ethmoidal invasion. A combined transorbital and endonasal endoscopic approach was found suitable, and gross total resection was achieved. Histological analysis of the lesion established the diagnosis of a SEP. After radiotherapy, a new magnetic resonance imaging was performed, revealing a recurrence of the lesion with a high grade of invasion. The patient was treated with palliative radiotherapy, as surgical resection did not seem feasible.<\/jats:p>\n<\/jats:sec>\n\nConclusion: <\/jats:title>\nSurgical resection and radiotherapy may achieve remission of these lesions; however, recurrence rates remain high despite any treatment modality. Patients with this condition must be followed up with a multidisciplinary team due to the high risk of multiple myeloma progression.<\/jats:p>\n<\/jats:sec>","DOI":"10.25259\/sni_915_2023","type":"journal-article","created":{"date-parts":[[2024,2,16]],"date-time":"2024-02-16T19:14:38Z","timestamp":1708110878000},"page":"45","update-policy":"https:\/\/doi.org\/10.25259\/crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Combined endoscopic transorbital and transnasal approach for the management of a solitary plasmacytoma of the sphenoid bone: A case report and literature review"],"prefix":"10.25259","volume":"15","author":[{"given":"Omar R.","family":"Ortega-Ruiz","sequence":"first","affiliation":[{"name":"Tecnologico de Monterrey, Escuela de Medicina y Ciencias de la Salud, Monterrey, Mexico"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jorge Armando Lara","family":"Olivas","sequence":"additional","affiliation":[{"name":"Department of 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