Permanent URL to this publication: http://dx.doi.org/10.5167/uzh-24830
Buchholz, Julia; Hagen, Regine; Leo, Chiara; Ebling, Alessia; Roos, Malgorzata; Kaser-Hotz, Barbara; Rohrer Bley, Carla (2009). 3D conformal radiation therapy for palliative treatment of canine nasal tumors. Veterinary Radiology and Ultrasound, 50(6):679-683.
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We evaluated the response of 38 dogs treated with a coarsely fractionated, palliative radiation protocol based on
CT-based 3D treatment planning. Dogs with histologically confirmed malignant nasal tumors were studied.
Treatment prescriptions consisted of 3–4 x 8Gy, 4–5 x 6Gy, or 10 x 3Gy fractions. Selected patient and
tumor factors were evaluated for an effect on outcome. Resolution of clinical signs was reported after irradiation
in all dogs. Acute toxicities were mild and short lived. Thirty-seven of 38 dogs died or were euthanized due to
tumor-related disease. Overall median progression-free interval (PFI) was 10 months. Tumor stage affected
response, with modified stage 1 patients having a median PFI 21.3 months vs. a median PFI of 8.5 months for
modified stage 2 patients (P=0.0006). Modified stage was the only factor significantly related to outcome.
Based on these findings, a palliative radiation prescription based on computerized treatment planning may be
justified in some canine nasal tumor patients.
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|Item Type:||Journal Article, refereed, original work|
|Communities & Collections:||04 Faculty of Medicine > Epidemology, Biostatistics and Prevention Institute (EBPI)
05 Vetsuisse Faculty > Veterinary Clinic > Department of Small Animals > Division of Diagnostic Imaging
|DDC:||570 Life sciences; biology
610 Medicine & health
|Date:||15 June 2009|
|Deposited On:||28 Dec 2009 13:01|
|Last Modified:||27 Nov 2013 23:14|
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