text: Yo, listen up, I got a procedure to share,
  It's called opening-wedge high tibial osteotomy, I swear!
  It's for varus gonarthrosis, gotta fix that knee,
  And correct malalignment with some real finesse, you see.
  
  First things first, we need precision in the plan,
  Preoperative planning, gotta make it grand.
  Then comes the surgery, gotta be meticulous,
  To get that mechanical axis correction, it's ridiculous.
  
  Here's our technique, listen closely to my rhyme,
  Arthroscopic and computer-assisted, it's prime.
  We use total knee arthroplasty navigation software,
  Like an intraoperative goniometer, it's beyond compare.
  
  Real-time guidance, right there in the operation,
  Accurate and reliable, no room for speculation.
  This technique's a tool, a surgeon's best friend,
  Especially for those who rarely do it, they'll comprehend.