Chao-Hsiang Chang
Papers
1
Total Citations
40
H-Index
1
About
Dr. Chao-Hsiang Chang is a distinguished urologic surgeon and researcher whose work centers on renal oncology and the optimization of surgical outcomes for kidney cancer patients. His most significant contribution is the development of a novel mathematical formula to calculate the tumor contact surface area (CSA) between a renal tumor and the surrounding healthy kidney tissue. This innovative parameter, detailed in his highly cited 2016 paper (40 citations), provides a more precise, three-dimensional assessment than traditional tumor size metrics. Dr. Chang’s work demonstrates that CSA is a powerful, independent predictor of postoperative renal function loss following partial nephrectomy, enabling surgeons to better stratify patient risk and preserve kidney function. By shifting the clinical focus from simple tumor diameter to complex surface interaction, his research has provided a practical tool for surgical planning and prognostication. This landmark study has become a foundational reference in nephron-sparing surgery, directly influencing how urologists evaluate and counsel patients, and cementing Dr. Chang’s reputation as a leader in quantitative surgical oncology.
Research Focus
Key Achievements
Top Papers
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