KSTP.com | Charlie Knuth undergoes stem cell transplant Saturday WTAQ MINNEAPOLIS (WTAQ) - A Fox Valley boy suffering from a rare skin disease underwent another stem cell transplant Saturday. Charlie Knuth underwent the procedure at 1 p.m.. FOX 11 reports Charlie's mom Trisha Knuth said her son felt miserable afterwards ... WI 6-year-old has 2nd stem cell transplant |