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Papillary urothelial neoplasm of low malignant potential : ウィキペディア英語版 | Papillary urothelial neoplasm of low malignant potential
In urologic pathology, PUNLMP, short for papillary urothelial neoplasm of low malignant potential, 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. ''PUNLMP'' is pronounced ''pun''-''lump'', like the words ''pun'' and ''lump''. As their name suggests, PUNLMPs are neoplasms, i.e. clonal cellular proliferations, that are thought to have a low probability of developing into urothelial cancer, i.e. a malignancy such as bladder cancer. They are thought to be relatively rare; one study of two-hundred papillary urothelial lesions found a prevalence of 0-3.5%. ==Symptoms== PUNLMPs can lead to blood in the urine (hematuria) or may be asymptomatic.
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