Bupivacaine is a medication used to numb a specific area of the body to relieve pain during and after surgery. In this trial, it is administered as part of spinal analgesia to help improve recovery after robotic-assisted laparoscopic upper urinary tract surgery.

Morphine is a strong pain reliever used to manage severe pain. In this study, it is given intrathecally, which means it is injected into the space around the spinal cord, to help reduce pain and improve recovery after surgery.

Lidocaine is a local anesthetic used to numb tissue in a specific area. In this trial, it is administered intravenously, meaning it is injected into a vein, to help manage pain and improve recovery following surgery.

Renal Malignancy – This is a type of cancer that originates in the kidneys. It often begins in the cells lining the small tubes within the kidneys. As the disease progresses, it can grow and potentially spread to other parts of the body. Symptoms may include blood in the urine, a lump in the abdomen, or unexplained weight loss. The progression can vary, with some tumors growing slowly while others may be more aggressive.

Ureter Malignancy – This cancer affects the ureters, which are the tubes that carry urine from the kidneys to the bladder. It typically starts in the cells lining the ureter and can cause symptoms like blood in the urine and back pain. As it progresses, it may obstruct urine flow and spread to nearby tissues or organs. The disease can vary in its rate of progression and severity.

Renal Benign Tumor – These are non-cancerous growths in the kidney. They do not spread to other parts of the body and are often found incidentally during imaging tests for other conditions. While they are generally not life-threatening, they can sometimes cause symptoms if they grow large enough to affect kidney function or cause pain. The growth rate of these tumors can vary, and they may remain stable for long periods.

Ureter Benign Tumor – These are non-cancerous growths in the ureter. They are less common than malignant tumors and typically do not spread to other areas. Symptoms may include blood in the urine or urinary obstruction. The progression is usually slow, and they may not require treatment unless they cause significant symptoms.

Nephrolithiasis – Commonly known as kidney stones, this condition involves the formation of hard mineral deposits in the kidneys. These stones can vary in size and may cause severe pain when passing through the urinary tract. Symptoms include sharp pain in the back or side, blood in the urine, and frequent urination. The condition can recur, and stones may form again over time.

Renal Reflux – Also known as vesicoureteral reflux, this condition occurs when urine flows backward from the bladder into the ureters and kidneys. It can lead to urinary tract infections and kidney damage over time. Symptoms may include frequent urinary tract infections, bedwetting, and high blood pressure. The severity of the condition can vary, with some cases resolving on their own while others may persist.