When a kidney tumor is discovered, the primary goal is oncological safety—removing the cancer entirely. However, the secondary goal is equally critical: preserving as much healthy kidney tissue as possible to maintain long-term renal function. This procedure, known as a Partial Nephrectomy, is a highly complex operation that demands extreme precision.
At Miami Robotic Surgery, Dr. Shirin Razdan specializes in utilizing the latest robotic platforms to perform kidney-sparing surgery. As a 2025 Urology Research All-Star (ranking in the top 5% of researchers nationwide), Dr. Razdan combines her academic expertise with advanced robotic technology to deliver superior outcomes for her patients.
The “Kidney-Sparing” Philosophy
In the past, many kidney tumors resulted in a “Radical Nephrectomy”—the removal of the entire kidney. While a person can live with one kidney, having only 50% of your renal function increases the long-term risk of chronic kidney disease, high blood pressure, and cardiovascular issues.
Dr. Shirin Razdan’s philosophy is to “save the kidney whenever possible.” By performing a Robotic Partial Nephrectomy, she removes only the tumor and a small “safety margin” of healthy tissue around it.
The Advantages of the Robotic Approach
The robotic platform is uniquely suited for partial nephrectomy because of three specific factors:
- 3D High-Definition Visualization: Dr. Razdan can see the tumor and the surrounding blood vessels with 10x magnification. This clarity is vital when differentiating between cancerous tissue and healthy kidney parenchyma.
- Wristed Instrumentation: The robotic arms have a greater range of motion than the human hand, allowing Dr. Razdan to precisely “peel” the tumor away from the kidney and then quickly suture the kidney back together.
- Minimized Ischemia Time: During the surgery, the blood flow to the kidney is often temporarily stopped (clamped) to allow for a bloodless removal of the tumor. The speed and precision of the robot allow Dr. Razdan to minimize this “clamp time,” which is essential for protecting the kidney’s long-term health.
Single Port (SP) Innovation for Kidney Surgery
For qualifying patients, Dr. Razdan can perform this complex procedure using Single Port (SP) Robotic Surgery. Instead of multiple incisions across the abdomen, the entire operation is performed through one single 2.5 cm incision, typically hidden in the belly button. This “one-hole” approach offers the fastest recovery and minimal scarring without compromising the oncological success of the surgery.
Why Patients Choose Dr. Shirin Razdan
Dr. Razdan’s elite training at the Icahn School of Medicine at Mount Sinai in New York City provided her with a high-volume surgical background. Today, at Miami Robotic Surgery, she is a sought-after specialist for complex kidney cases.
Patients choose Dr. Razdan not just for her technical skill, but for her commitment to the “Total Patient Experience”—from the initial 3D mapping of the tumor to a streamlined, often “scarless” recovery.
Frequently Asked Questions
Is a partial nephrectomy as safe as removing the whole kidney?
Yes. Clinical studies show that for localized kidney tumors, a partial nephrectomy provides the same cancer-control rates as a radical nephrectomy, with the added benefit of preserving kidney function.
How long is the recovery?
Most of Dr. Razdan’s robotic kidney patients are able to return home within 24 to 48 hours. Because of the minimally invasive approach, you can typically resume light daily activities within a week.
What happens if the tumor is in a difficult location?
This is where robotic precision is most valuable. Dr. Razdan is experienced in treating “hilar” tumors (tumors near the main blood vessels of the kidney) that other surgeons might consider too risky for a partial nephrectomy.
Preserve Your Health with Miami’s Robotic Leader
A cancer diagnosis is a turning point. Make sure your surgical plan includes a focus on your long-term quality of life. Experience the precision of Dr. Shirin Razdan.
Contact Dr. Shirin Razdan:
- Surgeon: Dr. Shirin Razdan
- Practice: Miami Robotic Surgery
- Phone: 305-468-3314
- Address: 3650 NW 82nd Avenue, Suite 502, Miami, FL 33166



