Kidney cysts - Diagnosis and treatment - Mayo Clinic
网页2022年7月13日 · Imaging tests. MRI, CT and ultrasound are imaging tests that are often used to diagnose simple kidney cysts. Imaging tests can help determine whether a kidney mass is a cyst or a tumor. Kidney function tests. Testing a sample of your blood may reveal whether a kidney cyst is affecting how well your kidney works.
MRI: Is gadolinium safe for people with kidney problems?
网页2022年9月29日 · The contrast agents used for MRI scans often contain a chemical element called gadolinium (gad-oh-LIN-e-um). Newer contrast agents that contain gadolinium are generally safe for people with kidney disease, even those who receive dialysis. But that might not be the case with older contrast agents. The type of gadolinium used in older …
Kidney cancer - Diagnosis and treatment - Mayo Clinic
网页2024年8月17日 · Imaging tests make pictures of the body. They can show the location and size of a kidney cancer. Tests might include ultrasound, CT or MRI. Biopsy. A biopsy is a procedure to remove a sample of tissue for testing in a lab. For kidney cancer, a thin needle is inserted into the kidney or other body part such as the lymph nodes.
Renal artery stenosis - Diagnosis and treatment - Mayo Clinic
网页2022年5月3日 · Procedures to treat renal artery stenosis may include: Renal angioplasty and stenting. In this procedure, doctors widen the narrowed renal artery and place a device (stent) inside your blood vessel that holds the walls of the vessel open and allows for better blood flow. Renal artery bypass surgery. During a bypass procedure, doctors graft a ...
MRI - Mayo Clinic
网页Magnetic resonance imaging (MRI) is a medical imaging technique that uses a magnetic field and computer-generated radio waves to create detailed images of the organs and tissues in your body. Most MRI machines are large, tube-shaped magnets. When you lie inside an MRI machine, the magnetic field inside works with radio waves and hydrogen …
Kidney cancer - Symptoms and causes - Mayo Clinic
网页2024年8月17日 · Kidney cancer doesn't usually cause symptoms at first. In time, signs and symptoms may develop, including: Blood in the urine, which may appear pink, red or cola colored. Loss of appetite. Pain in the side or back that doesn't go away. Tiredness. Unexplained weight loss.
Kidney cysts - Symptoms and causes - Mayo Clinic
网页2022年7月13日 · A kidney cyst may become infected, causing fever and pain. A burst cyst. A kidney cyst that bursts causes severe pain in the back or side. Sometimes a burst cyst may cause blood in the urine. Blocked urine flow. A kidney cyst that blocks the typical flow of urine may lead to kidney swelling. These round, fluid-filled pouches on or in the ...
Breast MRI - Mayo Clinic
网页Magnetic resonance imaging (MRI) of the breast, also called breast MRI, is a test used to find breast cancer. It also can help rule out breast cancer when there are other problems in the breast. A breast MRI makes pictures of the inside of the breast. It uses powerful magnets, radio waves and a computer to make images with a lot of detail.
Nephrogenic systemic fibrosis - Symptoms and causes
网页2023年6月6日 · For some people with advanced kidney disease, being exposed to older gadolinium-based contrast agents (group 1) during magnetic resonance imaging (MRI) and other imaging studies has been identified as a trigger for development of this disease. Recognition of this link has dramatically reduced the incidence of nephrogenic systemic …
Hydronephrosis - Overview - Mayo Clinic
网页2022年2月11日 · If necessary, your doctor may recommend additional imaging exams, such as a CT scan or MRI. Another possibility is a test called a MAG3 scan that evaluates function and drainage in the kidney. Treatment. Treatment for hydronephrosis depends on the underlying cause. Although surgery is sometimes needed, hydronephrosis often …