The Journal of small animal practice · 2015
Three-dimensional conformal radiation therapy for inoperable massive hepatocellular carcinoma in six dogs.
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Mori T, Ito Y, Kawabe M, Iwasaki R, Sakai H, Murakami M, Maruo K
Аннотация
OBJECTIVES: To evaluate the activity and tolerability of three-dimensional conformal radiation therapy (3D-CRT) in dogs with massive hepatocellular carcinoma.
MATERIALS AND METHODS: Six dogs with massive hepatocellular carcinoma that were ineligible for surgical resection or with owners who declined surgical resection, and underwent 3D-CRT were retrospectively reviewed. 6 to 10 Gy per fraction was prescribed at isocentre of planning target volume to a total dose of 18 to 42 Gy with 1 to 2 fractions per week for a total of 3 to 7 fractions. Follow-up examinations included physical examination, contrast-enhanced CT scan and blood analysis (complete blood count, electrolytes and serum biochemical panel).
RESULTS: The median follow-up time after 3D-CRT was 534 (range, 281 to 1057) days. An objective response was observed in five of six cases. Radiation-induced liver disease developed in one dog but was asymptomatic and reversible. Toxicity was not noted in any other dog.
CLINICAL SIGNIFICANCE: 3D-CRT appears to be a viable treatment option for dogs with inoperable massive hepatocellular carcinoma.
MATERIALS AND METHODS: Six dogs with massive hepatocellular carcinoma that were ineligible for surgical resection or with owners who declined surgical resection, and underwent 3D-CRT were retrospectively reviewed. 6 to 10 Gy per fraction was prescribed at isocentre of planning target volume to a total dose of 18 to 42 Gy with 1 to 2 fractions per week for a total of 3 to 7 fractions. Follow-up examinations included physical examination, contrast-enhanced CT scan and blood analysis (complete blood count, electrolytes and serum biochemical panel).
RESULTS: The median follow-up time after 3D-CRT was 534 (range, 281 to 1057) days. An objective response was observed in five of six cases. Radiation-induced liver disease developed in one dog but was asymptomatic and reversible. Toxicity was not noted in any other dog.
CLINICAL SIGNIFICANCE: 3D-CRT appears to be a viable treatment option for dogs with inoperable massive hepatocellular carcinoma.