A comprehensive guide to partial nephrectomy: causes, types, and risks

A comprehensive guide to partial nephrectomy: causes, types, and risks

November 19, 2025
10 mins read
Learn all about the partial nephrectomy that Tamer Hosny underwent, from its causes and surgical types to the recovery period and its importance in preserving kidney function.

The announcement by Egyptian artist Tamer Hosny that he underwent emergency surgery to remove part of his kidney sparked widespread interest and numerous questions about the nature of this medical procedure, known as a "partial nephrectomy." Below, we present a comprehensive guide explaining everything related to this surgery, from its definition and reasons to the latest techniques used and its importance in preserving the patient's health.

What is a partial nephrectomy?

A partial nephrectomy, also known as nephron-sparing surgery, is a delicate surgical procedure that aims to remove the diseased or damaged portion of the kidney, such as a cancerous or benign tumor, while preserving as much healthy kidney tissue as possible. The primary goal of this procedure is to treat the underlying health problem while maintaining kidney function and avoiding the long-term complications that can result from a complete kidney removal.

Historical context and development of surgery

Historically, the standard procedure for treating kidney tumors was radical nephrectomy, regardless of tumor size. However, with the growing medical understanding of the importance of preserving kidney function, a shift towards kidney-conserving surgery began in the late 20th century. This field experienced a significant breakthrough with the introduction of laparoscopic surgery, and later robotic surgery, which allowed surgeons to perform partial nephrectomy with exceptional precision and smaller incisions, resulting in substantially reduced pain and recovery time for patients.

When does partial nephrectomy become necessary?

Doctors resort to this surgical option in several cases, most notably:

  • Kidney cancer: especially in the early stages when the tumor is small and confined to a specific part of the kidney.
  • Benign kidney tumors: which may cause symptoms or grow in a worrying way.
  • Complicated kidney stones: In rare cases, the stones cause damage to part of the kidney tissue.
  • Congenital defects: those that affect a part of the kidney and impair its function.
  • Reduced blood flow: which leads to damage to part of the kidney due to problems with the arteries.

Types of partial nephrectomy surgery

The procedure is performed in three main ways, and the choice of method depends on the size and location of the tumor and the patient's health condition:

  1. Open surgery: This requires a large surgical incision in the abdomen or flank to access the kidney. It is now less common.
  2. Laparoscopic surgery: This is performed through several small incisions to insert a camera and precise surgical instruments.
  3. Robotic surgery: This is the most advanced form, where the surgeon controls precise robotic arms through a control unit, providing three-dimensional vision and high-precision movement. It is the preferred option in many advanced medical centers for its excellent results and faster recovery period.

Recovery period and post-operative procedures

The procedure typically takes between 3 and 4 hours. The length of hospital stay after surgery varies; it ranges from one to two days for robotic surgery and up to four days for open surgery. Recovery involves pain medication, a liquid diet initially, and encouraging walking to prevent blood clots and promote healing. Patients can usually return to their normal activities within 4 to 6 weeks after robotic surgery, while this period may extend to 12 weeks after open surgery.

The importance of the process and its long-term impact

The primary importance of partial nephrectomy lies in preserving the remaining kidney function. This significantly reduces the long-term risk of developing chronic kidney disease and spares the patient the need for dialysis or a kidney transplant in the future. Highlighting such cases, as with the artist Tamer Hosny, raises public awareness about the importance of early detection of kidney disease and the advanced treatment options available, which greatly improve patients' quality of life.

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