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J Neurooncol. 2012 Aug;109(1):99-104. doi: 10.1007/s11060-012-0870-z. Epub 2012 Apr 17.

Papillary tumors of the pineal region: a novel therapeutic option-stereotactic 125iodine brachytherapy.

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Department of Stereotaxy and Functional Neurosurgery, University Hospital of Cologne, Kerpenerstrasse 62, 50937, Cologne, Germany.


We evaluated the efficacy of interstitial brachytherapy (IBT) using (125)Iodine ((125)I) seeds for treatment of papillary tumors of the pineal region. Between September 2003 and September 2010, four patients (M/F = 2/2; median age, 57.3 years; range 29.2-69.1 years) with papillary tumors of the pineal region underwent IBT using (125)I seeds. Before brachytherapy two patients underwent endoscopic ventriculo-cisternotomy, because of occlusive hydrocephalus, and subsequent microsurgical resection was performed on one; three patients were primarily treated with IBT. Median tumor volume was 3.3 ml (range 1.6-4 ml), the tumor surface dose ranged between 50 and 65 Gy. For three patients the seeds were implanted permanently whereas one patient received temporary implants (28 days). The median follow-up time was 53.6 months (range 13-103.4 months). After brachytherapy, follow-up MR images revealed complete remission in one patient, partial remission in two, and stable disease in the remaining patient. Neurological status improved in all patients (reduced headache and nausea/vomiting for four patients; improvement of oculomotor dysfunction for two of three patients partially and for one of three patients completely). Neither treatment-related morbidity nor mortality was observed. Our results are indicative of good local control of papillary tumors of the pineal region after IBT, without treatment-related morbidity.

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