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Pathology of Kidney and the Urinary tract

Pathology of Kidney and the Urinary tract . Dr. Amar C. Al- Rikabi Dr. Hala Kasouf Kfouri. Benign and Malignant Tumours of the Kidney and Urinary Bladder. Lecture -5. Kidney with ischemic atrophy also bears very small subcapsular adenomas near to each pole.

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Pathology of Kidney and the Urinary tract

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  1. Pathology of Kidney and the Urinary tract Dr. Amar C. Al-Rikabi Dr. HalaKasoufKfouri

  2. Benign and Malignant Tumours of the Kidney and Urinary Bladder Lecture -5

  3. Kidney with ischemic atrophy also bears very small subcapsular adenomas near to each pole.

  4. Histology of a subcapsular papillary adenoma shows tubules arranged in a papillary fashion.

  5. Renal cell carcinomaRenal cell carcinomais the most common primary renal tumor in adults and may be occult.

  6. Small clear cell renal cell carcinoma (hypernephroma, Grawitz tumor) is spreading into perirenal adipose tissue.

  7. Typical lobulated, whorled, tan-colored cut surface of renal cell carcinoma.

  8. Invasion of the renal vein and inferior vena cava (arrow) by renal cell carcinoma.

  9. Papillary urothelial (transitional cell) carcinoma of renal pelvis. Note the exophytic, multifronded nature of the tumor. Transitional cell carcinoma of the renal pelvis.

  10. Moderately differentiated urothelial carcinoma of bladder.

  11. Solid, bulging, fleshy tan-white, partially necrotic tumor has replaced much of the kidney and is encompassed by a thin rim of renal tissue.. Wilms’ tumor (nephroblastoma)

  12. This Wilms’ tumor appears whiter due to formalin fixation and has extended beyond the confines of the kidney

  13. Histology shows hypercellular areas comprising undifferentiated blastema, loose stroma with undifferentiated mesglomeruloid body. Wilms’ tumor

  14. Urothelial (transitional cell) carcinoma in situ of the urinary bladder if untreated, up to 75% of cases go on to invasive cancer.

  15. Histology of carcinoma in situ (surface is to the right).

  16. Invasive urothelial carcinoma of the bladder is invading the muscle coat on the right side of the picture.

  17. Moderately differentiated urothelial carcinoma of bladder.

  18. Advanced urothelial cancer of the bladder has spread posteriorly (arrow)to invade the uterus.

  19. Poorly differentiated urothelial carcinoma.

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