PTHC

noun2

1. •
   preteen hardcore

   • When a new site appears, it is blazoned through all the related groups with a headline like “msn goood pthc club!!!” — the acronym signifies “preteen hardcore.” — 2003
2. •
   Abbreviation of percutaneous transhepatic cholangiography

   • Percutaneous transhepatic cholangiography (PTHC or PTC) is radiography of bile ducts via needle puncture. — 2005