Journal
HEAD AND NECK-JOURNAL FOR THE SCIENCES AND SPECIALTIES OF THE HEAD AND NECK
Volume 40, Issue 3, Pages 536-543Publisher
WILEY
DOI: 10.1002/hed.24999
Keywords
endoscopic endonasal surgery; lateral recess of the interpeduncular cistern; oculomotor cistern; oculomotor nerve palsy; pituitary adenoma
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Funding
- Grants-in-Aid for Scientific Research [17K10898] Funding Source: KAKEN
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BackgroundExtension of a pituitary adenoma to the oculomotor cistern harbors the risk of oculomotor nerve impairment and further extension into the interpeduncular cistern. The role of endoscopic endonasal surgery for those lesions was investigated. MethodsThe medical records were retrospectively analyzed. Attention was paid to the oculomotor nerve function and removal rate of the tumor within the oculomotor and interpeduncular cisterns. ResultsSix patients were eligible for the study, including 2 with oculomotor nerve palsy. The tumor from the oculomotor and interpeduncular cistern was removed in all except on one side of the case with bilateral tumor extension. The oculomotor nerve palsy demonstrated partial recovery in both cases during the 3-month follow-up. ConclusionThe pituitary adenoma extending to the oculomotor cistern can be removed under the endoscope. Improvement of oculomotor nerve palsy can be achieved, and further tumor extension into the interpeduncular cistern can be prevented.
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