About the Clinic

Clinical Results

TAKU YASUMOTO M.D., Ph.D.

Director | Yasumoto IVR Clinic

  • Board-Certified Diagnostic Radiologist and Supervising Physician, Japan Radiological Society
  • Board-Certified Specialist and Delegate, Japanese Society of Interventional Radiology
  • Training Supervisor, Japan Radiological Society
  • Representative Organizer, Japanese Study Group for Percutaneous Puncture and Drainage
  • Secretary, Japan Ablation Study Group
  • Board-Certified Specialist and Supervising Physician, Japan Sarcoma Society
  • Associate Editor, Interventional Radiology (academic journal)
  • Completed the Palliative Care Training Seminar
  • Ph.D. in Medicine, Osaka University

Key Expertise ― Core Treatment Experience ―

Our clinic specializes in interventional radiology (IVR) and has treated a large number of cases to date, particularly with locoregional therapies centered on radiofrequency ablation (RFA).
Our main treatment experience is as follows.

  • Lung radiofrequency ablation (RFA): over 3,000 cases
  • Liver radiofrequency ablation (RFA): over 2,500 cases
  • Catheter-based treatment for solid tumors (TAE / TACE, etc.): over 2,500 cases
  • RFA and catheter-based treatment for other sites: over 3,000 cases
  • Various image-guided puncture and drainage procedures: over 5,000 cases
  • Various IVR procedures for benign, pain-related, and emergency conditions: over 5,000 cases

Based on this extensive treatment experience, we comprehensively evaluate the tumor's location, size, and stage, the patient's general condition, and the relationship with existing treatments, and propose the optimal treatment strategy for each patient's condition.

Comprehensive IVR Practice ― A Wide Range of IVR Treatments ―

Rather than limiting ourselves to specific treatments, we provide care that combines multiple IVR techniques according to each patient's condition.

  • Various image-guided punctures
  • Various catheter-based treatments
  • Drainage (trunk, biliary system, etc.)
  • CT-guided puncture
  • IVR for pain palliation

We flexibly combine minimally invasive treatment options according to each patient's individual condition.

Patient Profile ― Patient Backgrounds at Our Clinic ―

Many of the patients who visit our clinic have backgrounds such as the following.

  • Advanced cancer (Stage III / IV)
  • Recurrent or treatment-resistant tumors
  • Cases in which standard treatment is difficult to continue
  • Cases in which the indication for locoregional therapy has not been fully considered

Cancer stage classification at first visit (cumulative: 2015 to April 2026):

  • Stage IV: 2,861 cases
  • Stage III: 1,742 cases
  • Stage II: 591 cases
  • Stage I: 729 cases

With these backgrounds in mind, we review each case's relationship to existing treatments and consider whether IVR may be an effective option.

Treatment Strategy ― IVR as a Treatment Strategy ―

IVR is not a stand-alone treatment; it is one of the treatment options alongside surgery, drug therapy, and radiation therapy.
Taking the role of each treatment into account, we consider factors such as:

  • Timing of treatment
  • Combination with other therapies
  • Potential for local control

From these perspectives, we develop a realistic treatment strategy for each patient.

Notes

  • The case numbers shown are cumulative totals based on our clinical experience to date.
  • These include cases treated with a combination of multiple procedures.
  • Treatment outcomes and indications vary depending on each patient's condition.