Feasibility of combined operation and perioperative intensity-modulated brachytherapy of advanced/recurrent malignancies involving the skull base

To assess the technical feasibility and toxicity of combined operation and perioperative intensity-modulated fractionated interstitial brachytherapy (IMBT) in advanced-stage malignancies involving the skull base with the goal of preserving the patients' senses of sight. This series consisted of...

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Veröffentlicht in:Strahlentherapie und Onkologie 2005-02, Vol.181 (2), p.97-107
Hauptverfasser: Strege, Rainer J, Kovács, György, Maune, Steffen, Holland, Detlef, Niehoff, Peter, Eichmann, Thomas, Mehdorn, H Maximilian
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container_title Strahlentherapie und Onkologie
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creator Strege, Rainer J
Kovács, György
Maune, Steffen
Holland, Detlef
Niehoff, Peter
Eichmann, Thomas
Mehdorn, H Maximilian
description To assess the technical feasibility and toxicity of combined operation and perioperative intensity-modulated fractionated interstitial brachytherapy (IMBT) in advanced-stage malignancies involving the skull base with the goal of preserving the patients' senses of sight. This series consisted of 18 consecutive cases: ten patients with paranasal sinus carcinomas, five with sarcomas, two with primitive neuroectodermal tumors (PNETs), and one with parotid gland carcinoma. After, in most cases, subtotal surgical resection (R1-R2: carried out so that the patients' senses of sight were preserved), two to twelve (mean five) afterloading plastic tubes were placed into the tumor bed. IMBT was performed with an iridium-192 stepping source in pulsed-dose-rate/high-dose-rate (PDR/HDR) afterloading technique. The total IMBT dose, ranging from 10 to 30 Gy, was administered in a fractionated manner (3-5 Gy/day, 5 days/week). Perioperative fractionated IMBT was performed in 15 out of 18 patients and was well tolerated. Complications that partially prevented or delayed IMBT in some cases included cerebrospinal fluid leakage (twice), meningitis (twice), frontal brain syndrome (twice), afterloading tube displacement (twice), seizure (once), and general morbidity (once). No surgery- or radiation-induced injuries to the cranial nerves or eyes occurred. Median survival times were 33 months after diagnosis and 16 months after combined operation and IMBT. Perioperative fractionated IMBT after extensive but vision-preserving tumor resection seems to be a safe and well-tolerated treatment of advanced/recurrent malignancies involving the skull base. These preliminary data suggest that combined operation and perioperative fractionated IMBT is a palliative therapeutic option in the management of fatal malignancies involving the base of the skull, a strategy which leaves the patients' visual acuity intact.
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This series consisted of 18 consecutive cases: ten patients with paranasal sinus carcinomas, five with sarcomas, two with primitive neuroectodermal tumors (PNETs), and one with parotid gland carcinoma. After, in most cases, subtotal surgical resection (R1-R2: carried out so that the patients' senses of sight were preserved), two to twelve (mean five) afterloading plastic tubes were placed into the tumor bed. IMBT was performed with an iridium-192 stepping source in pulsed-dose-rate/high-dose-rate (PDR/HDR) afterloading technique. The total IMBT dose, ranging from 10 to 30 Gy, was administered in a fractionated manner (3-5 Gy/day, 5 days/week). Perioperative fractionated IMBT was performed in 15 out of 18 patients and was well tolerated. Complications that partially prevented or delayed IMBT in some cases included cerebrospinal fluid leakage (twice), meningitis (twice), frontal brain syndrome (twice), afterloading tube displacement (twice), seizure (once), and general morbidity (once). No surgery- or radiation-induced injuries to the cranial nerves or eyes occurred. Median survival times were 33 months after diagnosis and 16 months after combined operation and IMBT. Perioperative fractionated IMBT after extensive but vision-preserving tumor resection seems to be a safe and well-tolerated treatment of advanced/recurrent malignancies involving the skull base. These preliminary data suggest that combined operation and perioperative fractionated IMBT is a palliative therapeutic option in the management of fatal malignancies involving the base of the skull, a strategy which leaves the patients' visual acuity intact.</abstract><cop>Germany</cop><pub>Springer Nature B.V</pub><pmid>15702298</pmid><doi>10.1007/s00066-005-1274-1</doi><tpages>11</tpages></addata></record>
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subjects Adolescent
Adult
Algorithms
Brachytherapy - adverse effects
Brachytherapy - methods
Child
Child, Preschool
Eye Injuries - etiology
Eye Injuries - prevention & control
Feasibility Studies
Female
Germany - epidemiology
Humans
Infant
Male
Middle Aged
Neoplasm Recurrence, Local - mortality
Neoplasm Recurrence, Local - radiotherapy
Neoplasm Recurrence, Local - surgery
Palliative Care
Perioperative Care - adverse effects
Perioperative Care - methods
Radiation Injuries - etiology
Radiation Injuries - prevention & control
Radiation therapy
Radiotherapy Dosage
Radiotherapy Planning, Computer-Assisted - methods
Radiotherapy, Adjuvant - adverse effects
Radiotherapy, Adjuvant - methods
Salvage Therapy - methods
Severity of Illness Index
Skull Neoplasms - mortality
Skull Neoplasms - radiotherapy
Skull Neoplasms - surgery
Survival Analysis
Treatment Outcome
title Feasibility of combined operation and perioperative intensity-modulated brachytherapy of advanced/recurrent malignancies involving the skull base
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