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Renal Transitional Cell Carcinoma Treatment & Management

  • Author: Bagi RP Jana, MD; Chief Editor: Jules E Harris, MD, FACP, FRCPC  more...
 
Updated: Mar 26, 2014
 

Approach Considerations

Once the diagnosis of upper urinary tract transitional cell carcinoma (TCC) has been made, treatment is mandatory. Surgical intervention is the main form of radical treatment for localized disease.

Medical therapy usually is administered as an adjuvant to surgical therapy or to patients in whom surgical treatment is contraindicated (eg, because of poor general condition or the presence of advanced disease). Local immunotherapy or chemotherapy can be attempted as an independent treatment method in cases of carcinoma in situ (CIS) or to reduce the recurrence rate after endoscopic management of upper urinary tract urothelial carcinoma (UC).

The role of radiation therapy in the management of upper urinary tract transitional cell carcinoma (TCC) is not well defined. Some studies suggest that radiation therapy may have some effect as adjuvant therapy to improve local control after radical surgical treatment for high-grade disease.

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Topical Immunotherapy or Chemotherapy

As a rule, local treatment is administered as adjuvant therapy, after endoscopic treatment of the UC, to decrease the recurrence rate. Methods of delivery vary (eg, irrigation through a ureteroscopic catheter or intravesical instillation after vesicoureteral reflux is ensured); however, irrigation through a percutaneous nephrostomy catheter is the most reliable method.

Bacille Calmette-Guérin

Instillation of bacille Calmette-Guérin (BCG) through a percutaneous catheter resulted in conversion of urine cytology from positive to negative in 7 of 10 patients with upper urinary tract CIS. BCG sepsis was observed in 1 patient and was treated successfully.

Administration of BCG as a prophylactic agent after endoscopic treatment of superficial urothelial tumors resulted in a recurrence rate of 12.5% in 1 study. However, some studies reported a recurrence rate of up to 50%.

In contrast to the efficacy of BCG in bladder cancer, the ability of BCG to treat high-grade UC of the upper urinary tract or reduce the progression rate is not determined. Therefore, high-grade upper urinary tract UC requires radical surgical intervention.

A retrospective study by Rastinehad et al compared 50 cases in which adjuvant BCG was given after resection of upper urinary tract TCC with 39 control cases. In treated cases, BCG was started 2 weeks after endoscopic management and given for a total of 6 courses. The comparison showed no overall benefit from BCG with regard to disease recurrence, interval to recurrence, and progression of disease.[11]

Mitomycin-C

Rates of progression and recurrence of upper urinary tract UC after treatment with mitomycin-C are comparable to those after treatment with BCG. However, the possibility of complications is much less with mitomycin-C, making it more attractive as a first-line agent in the secondary prophylaxis of upper urinary tract UC. In 1 study, irrigation with mitomycin-C reduced the recurrence rate to 14.2%.

Complications

Seeding through the nephrostomy tract remains a concern during percutaneous management; at least 1 case has been reported. Other serious complications of percutaneous treatment include perforation (5.5%) and ureteropelvic-junction stricture (1.4%). The frequency of stricture is much lower after percutaneous treatment than after ureteroscopy.

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Systemic Chemotherapy

The combination of methotrexate, vinblastine, doxorubicin (Adriamycin), and cisplatin (MVAC) is the best-studied chemotherapy regimen for upper urinary tract TCC. Durable, complete responses were obtained in only 5-10% of patients. Serious complications were encountered in 41% of patients; treatment-related mortality was 2-4%.

Gemcitabine-based combinations (gemcitabine + cisplatin or carboplatin) have activity similar to MVAC in bladder cancer but are associated with less toxicity.[12] Some studies found the combination of gemcitabine and paclitaxel to be as effective as cisplatin-based therapies, with less nephrotoxicity.

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Surgical Resection

Patients with low-stage, low-grade tumors respond well to either radical or conservative surgical treatment. In a retrospective review of patients treated with renal-sparing ureteroscopic management, Pak et al reported that renal preservation approached 81%, with cancer-specific survival of 94.7% and significant cost savings over the cost of nephroureterectomy; these authors recommend conservative endoscopic management as the gold standard for low-grade and superficial-stage disease.[13] However, preoperative cytology and ureterorenoscopically-performed biopsies have limited accuracy in predicting the correct tumor grade. Additional diagnostic procedures should be done prior to definitive surgical intervention.[14]

Patients with high-stage, high-grade tumors respond poorly to either radical surgery or conservative surgery.

Patients with positive cytologic findings but normal radiographic and endoscopic examinations are not treated but are monitored closely by means of periodic intravenous urography (IVU) or retrograde pyelography (RPG).

Radical nephroureterectomy

Traditional radical surgery for renal UC consists of total nephroureterectomy with excision of a bladder cuff around the ureteral orifice. Otherwise, 30-75% of patients develop tumor recurrence in the ureteral stump or around the ipsilateral ureteral orifice. Transection of the ureter must be avoided because of the high risk of tumor spillage in the retroperitoneum.

Oncologically, laparoscopic or hand-assisted laparoscopic nephroureterectomy is as effective for localized disease as an open technique would be.[15, 16] In general, the laparoscopic approach is accompanied by less blood loss, less pain and discomfort, faster recovery, and shorter hospital stay. Trocar site recurrence is very rare; to date, 3 cases have been reported.[17]

Patients with poorly differentiated tumors or high-stage disease (especially those with microscopic lymph node involvement) may benefit from extensive retroperitoneal lymphadenectomy. However, the benefit is marginal, and appropriate candidates must be chosen carefully.

Conservative open surgical treatment

Conservative excision for upper urinary tract urothelial tumors includes segmental ureteral resection with reanastomosis or ureteroneocystostomy and partial nephrectomy. Conservative management is especially appropriate for solitary or functionally dominant kidneys, bilateral tumors, or small, low-grade ureteral tumors.

Upper ureteral and midureteral tumors may be treated with segmental resections if they are low-grade, solitary lesions.

Distal ureteral tumors may be treated with distal ureterectomy and ureteral reimplantation if no evidence of multifocality is noted. In these cases, distal ureterectomy may be as successful as total nephroureterectomy because proximal spread of UC after resection is rare.

Partial nephrectomy may be performed in patients with localized renal pelvic tumors; however, this approach should be employed only in situations requiring avoidance of renal failure.

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Endoscopic Treatment

Urothelial tumors of the upper urinary tract can be excised by means of endoscopy in much the same fashion as superficial bladder tumors are. Indications for endoscopic management are the same as those for conservative resection and include low-grade tumors, bilateral involvement, and compromised renal function that necessitates a nephron-sparing approach.

Electrocautery and fulguration are used most commonly in the endoscopic setting. Currently, lasers (Ho:YAG and Nd:YAG) are being used for management of low-grade upper urinary tract urothelial tumors.

In cases of larger low-grade tumors with low metastatic potential, which cannot be eliminated during one session, ureteroscopic management can be performed several times.

Tumor size (>1.5 cm), multifocal disease, and high-grade tumors are the main risk factors for recurrence after ureteroscopic management of upper urinary tract UC. The presence of high-grade or invasive tumors, which cannot be eradicated endoscopically, necessitates radical surgical intervention (usually involving open or laparoscopic nephroureterectomy).

Complications

Perforation (0-10%) and stricture formation (5-13%) are the major complications of ureteroscopic treatment. Use of lasers (especially the Ho:YAG laser, which has low tissue penetration) may decrease the rate of stricture formation.

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Long-Term Monitoring

Because of the high risk of local and bladder recurrences, long-term follow-up care for these patients is mandatory. Include ureteroscopy, cystoscopy, and either IVU or RPG in the routine follow-up procedures.

Urine markers are used more and more frequently in the follow-up of patients with UCs. The specificity of these tests (eg, BTA Stat [Polymedco, Cortlandt Manor, NY], ImmunoCyt [Scimedx, Denville, NJ], and fluorescence in situ hybridization [FISH]) is acceptable for follow-up, and their sensitivity is much better than that of urine cytology.

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Contributor Information and Disclosures
Author

Bagi RP Jana, MD Associate Professor of Medicine (Genitourinary Oncology), Division of Hematology and Oncology, University of Texas Medical Branch

Bagi RP Jana, MD is a member of the following medical societies: American Cancer Society, American Medical Association, SWOG, American Society of Clinical Oncology

Disclosure: Nothing to disclose.

Coauthor(s)

Kush Sachdeva, MD Southern Oncology and Hematology Associates, South Jersey Healthcare, Fox Chase Cancer Center Partner

Disclosure: Nothing to disclose.

Chief Editor

Jules E Harris, MD, FACP, FRCPC Clinical Professor of Medicine, Section of Hematology/Oncology, University of Arizona College of Medicine, Arizona Cancer Center

Jules E Harris, MD, FACP, FRCPC is a member of the following medical societies: American Association for the Advancement of Science, American Society of Hematology, Central Society for Clinical and Translational Research, American Society of Clinical Oncology

Disclosure: Nothing to disclose.

Acknowledgements

Georgi Guruli, MD, PhD Consulting Staff, Department of Surgery, Division of Urology, University Hospital; Assistant Professor, Department of Surgery, Division of Urology, University of Medicine and Dentistry of New Jersey-New Jersey Medical School

Disclosure: Nothing to disclose.

Wendy Hu, MD Consulting Staff, Department of Hematology/Oncology and Bone Marrow Transplantation, Huntington Memorial Medical Center

Wendy Hu, MD is a member of the following medical societies: American Association for the Advancement of Science, American College of Physicians, American Society for Blood and Marrow Transplantation, American Society of Hematology, and Physicians for Social Responsibility

Disclosure: Nothing to disclose.

Badrinath R Konety, MD Associate Professor, Department of Urology, University of California, San Francisco, School of Medicine

Disclosure: Nothing to disclose.

Michael Perry, MD, MS, MACP Nellie B Smith Chair of Oncology Emeritus, Director, Division of Hematology and Medical Oncology, Deputy Director, Ellis Fischel Cancer Center, University of Missouri-Columbia School of Medicine

Michael Perry, MD, MS, MACP is a member of the following medical societies: Alpha Omega Alpha, American Association for Cancer Research, American College of Physicians, American College of Physicians-American Society of Internal Medicine, American Medical Association, American Society of Clinical Oncology, American Society of Hematology, International Association for the Study of Lung Cancer, and Missouri State Medical Association

Disclosure: Nothing to disclose.

Francisco Talavera, PharmD, PhD Adjunct Assistant Professor, University of Nebraska Medical Center College of Pharmacy; Editor-in-Chief, Medscape Drug Reference

Disclosure: Medscape Salary Employment

References
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CT scan with contrast, vascular phase. Mass can be seen in left renal pelvis (black arrows). Patient underwent nephroureterectomy. Tumor was high-grade urothelial carcinoma invading subepithelial tissue (stage T1) and measuring 7.5 × 3.2 × 3 cm.
CT scan, delayed phase. Enhancing mass can be visualized in left renal pelvis (white arrows).
Retrograde pyelography. Filling defect can be seen in left renal pelvis and lower calyx (black arrows). Patient underwent left nephroureterectomy. Tumor was low-grade urothelial carcinoma measuring 2.5 × 2 × 1 cm.
Right retrograde pyelogram demonstrates large filling defect in midureter due to transitional cell carcinoma (large arrow). Note characteristic appearance of radiographic contrast material just distal to obstruction (small arrow), which gives rise to so-called goblet sign. Contrast is also visible beyond partially obstructed segment of ureter in renal pelvis and collecting system.
Pathology specimen shows urothelial tumor of renal pelvis (white arrows).
 
 
 
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