PMID: 8598362Mar 1, 1996Paper

Tumors in dogs exposed to experimental intraoperative radiotherapy

International Journal of Radiation Oncology, Biology, Physics
P A JohnstoneW F Sindelar

Abstract

The frequency of radiation-induced neoplasms was determined in dogs enrolled in the National Cancer Institute canine trials of intraoperative radiotherapy (IORT). Twelve protocols assessing normal tissue response to IORT involved 238 dogs in a 15-year trial. Eighty-one dogs were followed for > 24 months postoperatively and were assessed for tumor development; 59 of these animals received IORT. Twelve tumors occurred in the 59 dogs receiving IORT. Nine were in the IORT portals and were considered to be radiation induced. No tumors occurred in 13 sham animals or in 9 animals treated with external beam radiotherapy alone. The frequency of radiation-induced malignancies in dogs receiving IORT was 15%, and was 25% in animals receiving > or = 25 Gy IORT. Frequency of all tumors, including spontaneous lesions, was 20%. Intraoperative radiotherapy contributed to a high frequency of sarcoma induction in these dogs. Unknown to date in humans involved in clinical trials of IORT, this potential complication should be looked for as long-term survivors are followed.

References

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Citations

Oct 12, 2000·Journal of Surgical Oncology·Y Z InoueR A McLeod
Feb 15, 2001·International Journal of Radiation Oncology, Biology, Physics·I AzinovicR Martínez-Monge
Oct 27, 2001·Veterinary Radiology & Ultrasound : the Official Journal of the American College of Veterinary Radiology and the International Veterinary Radiology Association·P J DickinsonR A LeCouteur
Feb 3, 2016·The Journal of Physical Chemistry. B·Cassandra Dm ChurchillStacey D Wetmore
Mar 3, 2004·Surgical Oncology Clinics of North America·William F Sindelar, Timothy J Kinsella
Sep 18, 2004·Veterinary Radiology & Ultrasound : the Official Journal of the American College of Veterinary Radiology and the International Veterinary Radiology Association·Margaret C McEnteeDonald E Thrall
Aug 17, 2015·Veterinary Sciences·Timothy M Fan, Chand Khanna
Aug 22, 2000·Journal of Surgical Oncology·T E Mondry, P A Johnstone
Nov 9, 2011·Chemical Research in Toxicology·Cassandra D M ChurchillStacey D Wetmore

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