Clinical and imaging findings and management in 6 patients with tumor rupture after RFA

No.SexAge (yr)Initial Tumor SiteSize (mm)No. of RFAsRF AT (min)/Max Power (W)Rupture from Last RFA (day)Aspiration after RuptureInitial TreatmentFinal Treatment, Follow-UpSonographic Mass Composition
1M28Left anterior23 × 37 × 46225/80 (1st)/20/80 (2nd)50NoObservationObservationMixed echoic, >50% cystic
2F29Left anterior11 × 16 × 23320/70 (1st)/14/80 (2nd)/6/50 (3rd)60NoObservationObservationMixed echoic, >50% cystic
3M60Right anterior24 × 23 × 35220/70 (1st)/21/90 (2nd)30YesIV antibioticsIV antibioticsMixed echoic, >50% solid
4M53Left anterior51 × 29 × 50140/8022YesNo treatmentIncision and drainageMixed echoic, >50% cystic
5M36Right anterior49 × 35 × 64135/13060YesOral antibioticsUnilateral lobectomyMixed echoic, spongiform
6F52Left anterior25 × 15 × 32222/80 (1st)/20/100 (2nd)9NoIV antibioticsIncision and drainageSolid
  • Note:—Max indicates maximum.