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Nephrogenic adenoma is a benign growth typically found in the urinary bladder. It is thought to result from displacement and implantation of renal tubular cells, as this entity in kidney transplant recipients has been shown to be kidney donor derived. [1] This entity should not be confused with the similar-sounding metanephric adenoma.
Urology, pathology Papillary urothelial neoplasm of low malignant potential ( PUNLMP ) is an exophytic (outward growing), (microscopically) nipple-shaped (or papillary) pre-malignant growth of the lining of the upper genitourinary tract (the urothelium ), which includes the renal pelvis , ureters , urinary bladder and part of the urethra .
It accounts for 95% of bladder cancer cases and bladder cancer is in the top 10 most common malignancy disease in the world and is associated with approximately 200,000 deaths per year in the US. [2] [3] It is the second most common type of kidney cancer, but accounts for only five to 10 percent of all primary renal malignant tumors. [4]
Patients with advanced bladder cancer or disease, also often look to bladder reconstruction as a treatment. Current methods of bladder reconstruction include the use of gastrointestinal tissue. However, while this method is effective in improving the function of the bladder, it can actually increases the risk of cancer, and can cause other ...
Some pathology grading systems apply only to malignant neoplasms ; others apply also to benign neoplasms. The neoplastic grading is a measure of cell anaplasia (reversion of differentiation ) in the sampled tumor and is based on the resemblance of the tumor to the tissue of origin. [ 1 ]
In histology, a signet ring cell is a cell with a large vacuole. The malignant type is seen predominantly in carcinomas. Signet ring cells are most frequently associated with stomach cancer, [1] but can arise from any number of tissues including the prostate, [2] bladder, gallbladder, [3] breast, colon, [4] ovarian stroma and testis. [5]
Micrograph showing contraction band necrosis, a histopathologic finding of myocardial infarction (heart attack).. Histopathology (compound of three Greek words: ἱστός histos 'tissue', πάθος pathos 'suffering', and -λογία-logia 'study of') is the microscopic examination of tissue in order to study the manifestations of disease.
Bladder cancer is much more common in men than women; around 1.1% of men and 0.27% of women develop bladder cancer. [2] This makes bladder cancer the sixth most common cancer in men, and the seventeenth in women. [57] When women are diagnosed with bladder cancer, they tend to have more advanced disease and consequently a poorer prognosis. [57]