Please don't blame us if this makes you feel ill. Watch at your own risk.
This isn't easy watching, but it's weirdly worth it.
The epidermoid cyst - which normally takes the form of a hard lump under the skin - was finally ready to burst after being on the man's leg for most of his life.
Voiding a huge amount of the smelly ooze, Schmidt sprayed streams of yellow pus all over his wife who was filming the emotional event.
Despite his wife's horror and the disgusting smell, Schmidt describes the relieving moment as "the greatest day of his life".