Oral ranula (11)iRanula occurred after operation of sialolitliasisj

Oral ranula of adult man. He had surgery ( removal of sialolithiasis) from mouth. Two months after operation, oral swelling occurred at operation site.

The cyst wall of his ranula was very thin. His ranula repeated rapture before treatment.
0.5 KE of OK-432 was injected when his ranula was making cyst. But, the next day after OK-432 injection, his ranua raptured again. I thought the treatment would not be effective.
But, fortunately, his ranula was cured by only single treatment.

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