Hey, so today a dog came into our clinic and the complaint was that it had a bleeding from its penis. Further history told that the urine was normal and upon examination first from the outside we could see a prominence just caudaly to the penis.So we retracted the ospenis and just caudal to the bulbus glandis was the tumor. Its called transvenereal tumor. The owner also reported a history of mating and the female was infected too. trans venereal tumor is a tumor of the reproductive organs. In females it can be in the vagina upto the cervix. but in females urine obstruction may be seen as the pressure exerted by the tumor on the uretherak orifice at the base. The tumor can be from 5 nm to 10 cm.
There are two approaches to handle this case. the first one is surgical. It is done when the tumor is large and If the owner could afford the expenses of the surgery. Prepuciotomy is done in males.and the tumor is resected and then cauterization is done. topical application of vincristine may also be done at 1.5 mg/m2.But a common complication in males is the adhesions of the mucosa with the prepuce.
The other option is chemotherapy. Cristine sulphate (vincristinie market available drug) is used at the rate of 0.02 mg per kg body weight and the route of administration is IV. vincristine comes in a 2 ml vial with a concentration of 1mg/ml. it shows best results. The animal recovers in 3-4 weeks.
hope it was helpful.
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