Stereotactic brachytherapy for a cystic metastatic brain tumor in the midbrain. Case report

Journal of Neurosurgery
K MatsumotoT Ohmoto

Abstract

The authors report a rare case of a cystic metastasis in the midbrain that was successfully treated by brachytherapy following stereotactic biopsy and aspiration of the intratumoral cyst. Stereotactic aspiration of cystic lesions can lead to clinical improvement and brachytherapy prevents cyst recurrence. A 46-year-old man was referred to the authors' institution with a 2-month history of a left hemisensory disturbance and a 1-month history of progressive hemiparesis. Magnetic resonance (MR) imaging revealed a ring-enhancing cystic mass in the midbrain. On the basis of this imaging study, a differential diagnosis that included brainstem abscess, glioma, and metastatic tumor was made. Magnetic resonance imaging-guided stereotactic biopsy and aspiration of the intratumoral cyst were performed, yielding 5 ml of yellowish-white fluid. Histological examination provided a diagnosis of adenocarcinoma. During the surgery, a catheter through which brachytherapy would be delivered was inserted at a predetermined target. The patient's left hemiparesis and sensory disturbance were markedly improved and brachytherapy was begun 2 days postoperatively. Three radioactive isotopes composed of iridium-192 were implanted to irradiate the tumor ti...Continue Reading

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Citations

Jan 16, 2007·Journal of Neurosurgery·Chun Po YenLadislau Steiner
Dec 31, 2005·Neurosurgery·Stéphane FuentesJean Regis
Sep 3, 2010·Geriatrics & Gerontology International·Kazumasa KumeToshihiko Iwamoto
Feb 18, 2006·Journal of Neuroimaging : Official Journal of the American Society of Neuroimaging·Soichiro ShimizuKimihiko Abe
Jan 20, 2006·The European Journal of Neuroscience·Tania Ramos-MorenoFrancisco Clascá
Apr 17, 2007·The European Journal of Neuroscience·Nina DonnerInga D Neumann
Jun 4, 2005·Journal of Neuro-oncology·Todd W VitazPhilip H Gutin
May 28, 2019·Journal of Neuro-oncology·Evan WinogradDheerendra Prasad

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Methods Mentioned

BETA
biopsy
irradiate

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