This patient had ranula for 5 years. He was planned to be operated 5 years ago. But, his ranula became small spontaneously before operation. So, he did not have operation. But, small swelling remained and it began to grow from 2 years ago. He did not want to have operation, so he came to me from other prefecture.
This is a course of the second treatment of this patient. The first treatment using 1 KE of OK-432 was not effective, This time, I injected 1.5 KE of OK-432 into the cyst. The next day, his ranula was swollen and the color of local skin became red. This means good response. One week after, his ranula was more hardly swollen. This is very good response. 2 weeks after treatment, his ranula began to shrink. 6 weeks after treatment, there was no swelling at his right neck.
This is 13 months after treatment. When I touched his right jaw very carefully, I felt very small cystic swelling. But, as an appearence, almost no visible swelling.
Ranula is not a tumor, only leakage of saliva. So, I think the treatment is successful when the patient becomes free from cosmetic problems.
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