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The Korean Journal of Pathology 1987;21(4): 298-302.
Hyperkeratosis of Renal Pelvis and Ureter: A case report.
Mi Kyung Lee, Hyeon Joo Jeong, In Joon Choi
Department of Pathology, Yonsei University College of Medicine, Seoul, Korea.
ABSTRACT
Hyperkeratosis of the renal pelvis and ureter is a rare condition and is explained by the metaplastic change from transitional to cornified squamous epithelium. This lesion is frequently associated with, and perhaps caused by chronic urinary infection, but potentially premalignant, accompaning with carcinoma in about 10 to 20 per cent of the cases at the time of diagnosis. A case of hyperkeratosis of renal pelvis & ureter which was clinically suspected of carcinoma in a 49-year old woman with a long history of chronic pyelonephritis is presented with review of literature.
Key Words: Hyperkeratosis; chronic irritation; precancerous
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