At post-mortem examination of a 43-year-old male, scleroderma (progressive systemic sclerosis) localized to the kidneys and the right ureter was observed. The complete sclerodermatous obstruction of the ureter led to right-side hydronephrosis and chronic pyelonephritis. The sclerodermatous and pyelonephritic renal damage gave rise to malignant hypertension. This is thought to be the first report in the literature on scleroderma involving the ureter.
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