Publisher： John Wiley & Sons Inc
E-ISSN： 1748-5827|59|2|128-132
ISSN： 0022-4510
Source： JOURNAL OF SMALL ANIMAL PRACTICE, Vol.59, Iss.2, 2018-02, pp. : 128-132
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Abstract
Radiation is the treatment of choice for canine nasal tumours but, in almost all cases, there is local recurrence associated with poor prognosis. This report describes the effect of endoscopic photodynamic therapy using talaporfin sodium for canine intranasal carcinoma recurring after radiation therapy. Rhinoscopic photodynamic therapy was administered after radiation therapy in three dogs with recurrent intranasal carcinoma. Two to 24 illuminations of a 665‐nm diode laser were performed two hours after intravenous bolus injection of 5·0 mg/kg of talaporfin sodium. Photodynamic therapy induced almost complete remission and prolonged survival time in all cases suggesting that it might be a useful treatment for intranasal carcinomas that recur after radiation.
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