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Micrograph showing a polyomavirus infected cell – large (blue) cell below-center-left. Urine cytology specimen. This virus can be diagnosed by a BKV blood test or a urine test for decoy cells, in addition to carrying out a biopsy in the kidneys. PCR techniques are often carried out to identify the virus.
CT scan or kidney ultrasonography is useful in the diagnosis of xanthogranulomatous pyelonephritis; serial imaging may be useful for differentiating this condition from kidney cancer. [10] Acute pyelonephritis with increased cortical echogenicity and blurred delineation of the upper pole [20]
[24] [25] Symptoms include blood in the urine, pain with urination, and low back pain. [23] Renal cell carcinoma (RCC) is a kidney cancer that originates in the lining of the proximal convoluted tubule, a part of the very small tubes in the kidney that transport primary urine. RCC is the most common type of kidney cancer in adults, responsible ...
The reactivation of polyomavirus in the kidneys and urinary tract causes the shedding of infected cells, virions, and/or viral proteins in the urine. This allows urine cytology to examine these cells, which if there is polyomavirus inclusion of the nucleus, is diagnostic of infection. [ 76 ]
Urine cytology is a test that looks for abnormal cells in urine under a microscope. The test commonly checks for infection, inflammatory disease of the urinary tract, cancer, or precancerous conditions. It can be part of a broader urinalysis. If a cancerous condition is detected, other tests and procedures are usually recommended to diagnose ...
The pioneering test looks for so-called “zombie” cell proteins which could indicate a patient has lung cancer in its earliest stages. It has been successfully tested on mice and scientists are ...
Nephritis can often be caused by infections and toxins, but it is most commonly caused by autoimmune disorders that affect the major organs like kidneys. [5] Pyelonephritis is inflammation that results from a urinary tract infection that reaches the renal pelvis of the kidney. [6]
Another test, urine microscopy, looks for the presence of red blood cells, white blood cells, or bacteria. Urine culture is deemed positive if it shows a bacterial colony count of greater than or equal to 10 3 colony-forming units per mL of a typical urinary tract organism. Antibiotic sensitivity can also be tested with these cultures, making ...