I'll just leave this here, and leave

 

No idea what this is, and I suspect I don't WANT to know what this is.

It's from the Medical Slides box, and ...well. I suppose it could be a Album Cover for an LP by Throbbing Gristle. Maybe.

Bonus - Also on a theme of Yeuch.   Aphex Twin's Windowlicker is 25 years old.