Rajshekhar, Vedantam (2012) Rate of recurrence following stereotactic aspiration of colloid cysts of the third ventricle Stereotactic and Functional Neurosurgery, 90 (1). pp. 37-44. ISSN 1011-6125
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Related URL: http://dx.doi.org/10.1159/000334670
Abstract
BACKGROUND: The rate of recurrence following stereotactic aspiration of colloid cysts is not defined in the literature. AIMS: To study the long-term imaging and clinical outcome in patients who had stereotactic aspiration of colloid cysts of the third ventricle. METHODS: Between 1987 and 1994, computerized tomography-guided stereotactic aspiration was attempted in 26 consecutive patients with colloid cysts of the third ventricle. RESULTS: There was no mortality or permanent morbidity. A complete aspiration of the cyst was possible in 17 patients, a partial aspiration of the cyst was achieved in 6 and the aspiration failed in 3 patients. On long-term follow-up, symptomatic recurrence was noted in 5/6 patients after partial aspiration and 4/17 patients after complete aspiration (mean follow-up 84.8 months). Kaplan-Meier analysis revealed that after complete aspiration of the cyst, median time to recurrence on imaging is 42 months (95% CI 23.0-60.9 months) but median time to symptomatic recurrence is much later at 184 months (95% CI 88.2-279.7 months). CONCLUSIONS: Stereotactic aspiration of colloid cysts remains a valid surgical option as complete aspiration leads to a good long-term outcome in several patients. Partial aspiration of the cyst should be followed by excision of the cyst, due to the high rate of symptomatic recurrence. However, periodic follow-up imaging is mandatory even after complete aspiration as delayed recurrences are possible.
Item Type: | Article |
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Source: | Copyright of this article belongs to S. Karger AG. |
Keywords: | Brain tumor; Computerized Tomography; Stereotactic Aspiration; Outcome; Cyst Recurrence; Stereotactic Techniques; Surgery |
ID Code: | 95566 |
Deposited On: | 02 Aug 2013 04:26 |
Last Modified: | 02 Aug 2013 04:26 |
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