A papillary adenoma is a small, non-cancerous (benign) kidney tumour. It arises from tiny tubes inside the kidney called tubules. Papillary adenomas typically measure less than 15 millimeters (about 0.6 inches) in size. They often exhibit a pattern of growth described as papillary, meaning they develop in small, finger-like projections. Sometimes the growth pattern is …
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Acute T cell-mediated rejection, also known as acute cellular rejection, is a condition in which the body’s immune system attacks the transplanted kidney. This occurs because special immune cells, called T cells, mistakenly identify the transplanted organ as harmful or foreign. When this happens, the T cells enter the kidney tissue, leading to inflammation and damage to the …
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An oncocytoma is a non-cancerous (benign) tumour found in the kidney. The tumour is composed of large, pink cells known as oncocytes. Oncocytomas usually grow slowly and rarely cause serious health problems. What are the symptoms of oncocytoma? Most oncocytomas in the kidney do not cause noticeable symptoms. They are typically discovered accidentally during imaging …
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What are the kidneys? The kidneys are two bean-shaped organs located near the back of your body just below the rib cage on both the left and the right sides. The kidneys are composed of a complex network of millions of microscopic tubules. These tubules act to filter your blood by removing waste products and …
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Papillary renal cell carcinoma is a type of kidney cancer. It develops from tiny tubes inside the kidney called tubules. It is the second most common type of kidney cancer found in adults. The outlook for papillary renal cell carcinoma can vary significantly depending on the specific type of tumour, its grade, and the extent …
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Clear cell renal cell carcinoma is a type of kidney cancer. It develops from tiny tubes inside the kidney called tubules. Clear cell renal cell carcinoma is the most common type of kidney cancer found in adults. Many clear cell renal cell carcinomas grow slowly and have a good outlook. However, some tumors may behave …
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Chromophobe renal cell carcinoma is a type of kidney cancer. It develops from very small tubes (tubules) within the kidneys. It is the third most common type of kidney cancer in adults. Most people with chromophobe renal cell carcinoma have a very good prognosis. However, the outlook may change if special types of aggressive cells—called …
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The Fuhrman grade is a system used to classify the aggressiveness of renal cell carcinoma (RCC), which is the most common type of kidney cancer. Developed by Gary A. Fuhrman in the 1980s, this grading system helps pathologists and oncologists evaluate how cancer cells look under a microscope compared to normal kidney cells. The Fuhrman …
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