44 years old man. The cause of otohematoma was unknown. He had 2
aspirations before by other physicians but his otohematoma reccured
soon.
After 10 days of watching. OK-432 0.5 KE susupended with 0.1 ml saline was injected into his otohematoma.
2 days after, he came to me because of increased swelling. 0.5 ml of cyst fluid was aspirated.
4 days after, he came to me again. 0.2 ml of cyst fluid was aspirated.
7 days after, he came again. I coulld not aspirate fuid.
After then, his cyst was going to shrink.
One month after, his cyst was gone.
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