COLLECTING DUCT CARCINOMA A RARE CASE REPORT

Abstract

Carcinoma of the collecting ducts of Bellini
is a relatively rare subtype of RCC,
accounting for less than 1 of all RCCs
(range,0.4-1.8).Since,its origin is from
collecting duct of the renal tubules which
is closer to the renal pelvis and it may
share features in common with transitional
cell carcinoma of the renal pelvis.
45 year old postmenopausal woman presented
with right loin pain,hematuria for
one month duration.On examination,
patients abdomen and genital examination
were normal.Investigations revealed
plenty of RBCs in the urine where
as cytology was negative.USG Abdomen
showed 3x3cm hypoechoic mass lesion
in the pelvis of the right kidney
.PCS,CMD were normal.CECT KUB
showed 3X3cm heterodense mass lesion,
with minimal contrast enhancement
in the Right renal pelvis and the Left kidney,
bladder were normal.Cystoscopy
showed normal bladder and Right RGP
showed 3X3cm size filling defect in the
pelvis in prone film.Diagnosed as Right
Renal pelvic TCC ,
Right Radical Nephroureterectomy with
cuff of bladder done.Histopathological report
came as well differentiated Collecting
duct Carcinoma and her postoperative was
period was uneventful.