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Urachal cancer : ウィキペディア英語版 | Urachal cancer
Urachal cancer is a rare form of cancer that can sometimes involve the bladder, but does not arise from the urothelium and is therefore not bladder cancer in the usual sense. The disease arises from malignant transformation of rests of enteric epithelium in the urachus, an embryonic structure located between dome of the bladder and the umbilicus. Urachal cancer can occur at any site along the urachal tract. The most common locations are the umbilicus and the dome of the bladder. Urachal cancer was first described in 1863 by Hue and Jaequin. ==Symptoms== Urachal cancer can exist for some years without any symptoms. Sometimes the first symptom is haematuria (blood in the urine), but this can have many other causes.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Urachal cancer」の詳細全文を読む
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