THE CREEPING TUMOR - AN UNUSUAL PRESENTATION OF UPPER URINARY TRACT MALIGNANCY AND ITS MANAGEMENT

Upper urinary tract urothelial malignancy accounts for 5-10 percentage of urothelial carcinoma. Synchronous bladder carcinoma occurs in 2-4 percentage of patients with upper urinary tract tumours. Urothelial malignancy involving the entire upper urinary tract is extremely rare entity. Most upper urinary tract malignancy are transitional cell carcinoma(TCC) of which sarcomatoid variant is very rare. These tumours are of aggressive nature and divergent treatment modalities may be used. We herein report a case of transitional cell carcinoma(TCC)involving the entire collecting system of left kidney, extending down along the ureter and projecting as a mass in the bladder - The Creeping Tumour and its management