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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 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 ]
H&E stain. Wilms' tumor or Wilms tumor, [ 3 ] also known as nephroblastoma, is a cancer of the kidneys that typically occurs in children (rarely in adults), [ 4 ] and occurs most commonly as a renal tumor in child patients. [ 5 ][ 6 ] It is named after Max Wilms, the German surgeon (1867–1918) who first described it.
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).
Model representing kidney disease. Though the odds of getting kidney cancer are rare (about a 1% chance for women and a 2% chance for men), the number of new diagnoses has been on the rise in ...
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 ...
In histopathology, a small-blue-round-cell tumour (abbreviated SBRCT), also known as a small-round-blue-cell tumor (SRBCT) or a small-round-cell tumour (SRCT), is any one of a group of malignant neoplasms that have a characteristic appearance under the microscope, i.e. consisting of small round cells that stain blue on routine H&E stained ...