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Most people with benign angiomyolipomas do not show signs or have symptoms. However, symptoms can occur if the dilated blood vessels in an angiomyolipoma rupture; this is called a retroperitoneal hemorrhage. This can cause pain in the back, nausea and vomiting. Some long-term effects are anemia, hypertension, and chronic kidney disease.
Kidney tumour. Other names. Kidney tumors, renal tumours. Micrograph of a renal oncocytoma, a type of benign kidney tumour. H&E stain. Specialty. Oncology, nephrology. Kidney tumours are tumours, or growths, on or in the kidney. These growths can be benign or malignant (kidney cancer).
Gross appearance of a renal oncocytoma (left of image) and a slice of a normal kidney (right of image). Note the rounded contour, the mahogany colour and the central scar. In gross appearance, the tumors are tan or mahogany brown, well circumscribed and contain a central scar. They may achieve a large size (up to 12 cm in diameter).
A benign tumor is a mass of cells (tumor) that does not invade neighboring tissue or metastasize (spread throughout the body). Compared to malignant (cancerous) tumors, benign tumors generally have a slower growth rate. Benign tumors have relatively well differentiated cells. They are often surrounded by an outer surface (fibrous sheath of ...
Birt–Hogg–Dubé syndrome (BHD), also Hornstein–Birt–Hogg–Dubé syndrome, Hornstein–Knickenberg syndrome, and fibrofolliculomas with trichodiscomas and acrochordons[ 1 ] is a human, adult onset, autosomal dominant genetic disorder caused by a mutation in the folliculin (FLCN) gene. It can cause susceptibility to kidney cancer, renal ...
H&E stain. Inflammatory myofibroblastic tumor (IMT) is a rare neoplasm of the mesodermal cells that form the connective tissues which support virtually all of the organs and tissues of the body. [ 2 ] IMT was formerly termed inflammatory pseudotumor. [ 3 ] Currently, however, inflammatory pseudotumor designates a large and heterogeneous group ...
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 for approximately 90–95% of cases. [ 1 ] It is more common in men (with a male-to-female ...
Kidney cancer, also known as renal cancer, is a group of cancers that starts in the kidney. [ 4 ] Symptoms may include blood in the urine, a lump in the abdomen, or back pain. [ 1 ][ 2 ][ 3 ] Fever, weight loss, and tiredness may also occur. [ 1 ][ 2 ][ 3 ] Complications can include spread to the lungs or brain. [ 6 ]