A kidney carcinoma with features of clear cell renal carcinoma and transitional cell carcinoma: a combined renal cell and transitional cell carcinoma?
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Transitional cell carcinoma is a common urologic neoplasm. Although pulmonary metastases from this tumor are often not appreciated clinically, they are frequently documented in autopsy studies. Therefore, the clinical recognition of this condition can be problematic. To illustrate this point, we present three patients with progressive unexplained dyspnea and histories of transitional cell carcinoma. Since ineffective and possibly detrimental therapeutic approaches may be initiated, a high index of suspicion for pulmonary metastatic embolization must be maintained. Early histologic identification of these metastatic emboli and initiation of effective chemotherapy may prove beneficial for improved quality of life.
Transitional cell carcinoma (TCC) is the fifth most common solid malignancy in the USA. Radical cystectomy will cure a substantial fraction of patients with minimally invasive TCC, but approximately 50% of patients with muscle-invasive or extravesical disease treated by radical cystectomy alone die of metastatic TCC. Transitional cell carcinoma have a diverse collection of biologic and functional characteristics. This is reflected in a differing clinical course. The limited value of established prognosticators, make the analysis of new molecular parameters of interest in predicting the prognosis of bladder cancer patients; in particular, high-risk patient groups that are at risk of progression and recurrence. Over the past decade, there had been major progress in the elucidation of the molecular genetic changes leading to the development of TCC. This review will highlight these important advances and emphasize the ways in which molecular biology is likely to affect the development of future therapies.
Transitional cell carcinoma is known to be an immunogenic tumour. This immunogenicity has been the basis of a search for effective immunotherapeutic agents and for the evaluation in this study of two additional agents, keyhole-limpet haemacyanin (KLH) and immune ribonucleic acid (RNA) extract. The results in this animal model showed KLH to be a potent non-specific stimulant of the immune response which caused both a reduction in tumour growth and a prolongation of animal survival (p = 0.01). No anti-tumour effects were observed with either local or systemic RNA.
Transitional cell carcinoma (TCC) of the urinary bladder, the most common malignancy of the urinary tract in dogs, is challenging to both diagnose and treat effectively. The prevalence of this disease may be increasing. The etiology of canine TCC is likely multifactorial. Epidemiological studies of TCC in the dog have revealed a number of risk factors, including breed and female gender, as well as environmental factors, such as insecticide exposure. This tumor is difficult to remove surgically and responds poorly to chemotherapy. The efficacy of radiotherapy and other treatment modalities needs further investigation. Cyclooxygenase-inhibiting drugs have some activity against TCC, and studies to further define these effects are ongoing. Use of the tumor/node/ metastasis (TNM) classification scheme for bladder cancer has allowed for the identification of prognostic factors. Urinary tract obstruction and metastatic disease remain challenges to treat. Work with canine TCC has demonstrated how closely this disease resembles human invasive urinary bladder cancer. Therefore, future research has the potential to benefit both dogs and humans with TCC.
Two cases of synchronous ipsilateral renal cell carcinoma and renal pelvic transitional cell carcinoma are presented, one in a 70-year-old man and another in a 54-year-old man. These two cases were diagnosed preoperatively as synchronous ipsilateral renal tumor and pelvic tumor from urine cytology, retrograde pyelography, computed tomography and magnetic resonance imaging, and in both two cases, nephroureterectomy was performed. Pathological diagnosis was renal cell carcinoma and renal pelvic transitional cell carcinoma, which existed incidentally in the same kidney. To our knowledge, these cases are the 34th and 35th reported cases of synchronous ipsilateral renal cell carcinoma and renal pelvic transitional cell carcinoma in Japan.
The simultaneous occurrence of renal cell carcinoma(RCC) and transitional cell carcinoma(TCC) in the same kidney is unusual. We report a 53-year-old man with ipsilateral synchronous renal adenocarcinoma and renal pelvic transitional cell carcinoma with severe hypercalcemia and a huge staghorn calculus in the opposite kidney. The patient was admitted to the hospital because of left flank pain and intermittent fever which he had had for 2 months. Computerized tomography revealed a huge stone in the right kidney and a mass in the upper pole with an irregular calcified pelvis in the left enlarged kidney. Left radical nephrectomy was done. A section of the specimen revealed a renal cell carcinoma located at the upper pole and a papillary transitional cell carcinoma arising from the renal pelvis. This is a rare case of combined renal malignancies.
Tumours arising in bowel-augmented bladders are rare. Usually these tumours are adenocarcinomas that occur along the anastomotic line. We present two unusual tumours, squamous cell carcinoma and transitional cell carcinoma, that occurred in bladder augmentations. We also emphasize the need for regular cystoscopic surveillance.
This is a report on a case of 2 concurrent neoplasms of different histology within the same kidney: a renal cell carcinoma and a transitional cell carcinoma of the renal pelvis in a patient affected by chronic renal failure due to abuse of phenacetin. There was also a transitional cell carcinoma of the urinary bladder.
A case of synchronous ipsilateral renal cell carcinoma with renal pelvic and ureteral transitional cell carcinoma is reported. A 80-year-old man, who had had transurethral resection of bladder tumor three times, was admitted on August, 1989 for recurrence of bladder tumor. Excretory pyelography revealed a filling defect of left renal pelvis. Findings of retrograde pyelography and computed tomography were in accord with those of the excretory urograms. Under a diagnosis of the left renal pelvic and ureteral tumor associated with the bladder tumor, left nephroureterectomy with bladder cuff resection was performed. Pathological diagnosis was renal pelvic and ureteral transitional cell carcinoma with renal cell carcinoma, which existed incidentally in the same kidney. Double unrelated primary carcinoma in urinary tract, especially, double dissimilar primary carcinoma in the same kidney, is rare. To our knowledge, this case is the 20th double cancer in upper urinary tract reported in Japan.
A 60-year-old female patient had been on maintenance hemodialysis for 12 years was suffering from gross hematuria. Subsequent image studies revealed left renal and ureteral tumors. She then received left radical nephroureterectomy. Histological examination revealed the renal tumor was renal cell carcinoma and ureteral tumor was transitional cell carcinoma respectively. To our knowledge, this is the first reported case of simultaneous occurrence of these two urological cancers in a chronic hemodialysis patient. Our case may imply the increased susceptibility of urological malignancy in dialysis patients. Physicians should always raise the possibility of urological malignancy when a dialysis patient with gross hematuria is encountered. A thorough and careful screening for the malignancy should be performed on a regular basis in these patients with high risk.
Herein we describe a case of renal cell carcinoma at the base of a giant right renal cyst coexisting with transitional cell carcinoma. The humoral, radiographic, endoscopic and CT findings are presented, as well as treatment and the results achieved at one year follow-up.
In the last 8 years 15 patients with malignant neoplasms in functionally solitary kidneys underwent in situ excision of the tumor with preservation of renal parenchyma. Of 10 patients with renal cell carcinoma 8 underwent partial nephrectomy, 1 had a central wedge resection and 1 had enucleation of 3 tumors. After followup of 6 months to 4.7 years 6 patients are free of disease. One patient died of metastatic cancer and 1 of cardiovascular disease. Of 5 patients with transitional cell carcinoma of the kidney (including 2 with parenchymal invasion) 2 underwent partial nephrectomy and 3 underwent extensive resection of renal pelvic lesions. After followup of 6 months to 7 years 2 patients are alive, 2 died of metastatic disease and 1 died of metastatic bladder carcinoma. Only 1 of the 5 patients had locally recurrent tumor. These data demonstrate the efficacy of in situ management of renal tumors in selected patients with solitary kidneys or compromised renal function.
OBJECTIVES: This study was designed to examine the expressions of bcl-2, p53 and Ki-67 antigen in collecting duct carcinoma (CDC) of the kidney by an immunohistochemical method. METHODS: The diagnosis of CDC was based on the criteria proposed by Srigley and Eble. The clinical courses of 5 CDC cases examined in this study suggested that 3 cases were low grade and 2 cases high grade. The expressions of bcl-2, p53 and Ki-67 antigen were evaluated in paraffin-embedded surgical specimens using anti-bcl-2 and anti-p53 antibodies and Ki-67 antigen, respectively. RESULTS: The expression of bcl-2 was recognized in 3 of 5 cases (60%), p53 expression also in 3 of 5 cases (60%). The Ki-67 labeling index was 7.46 +/- 7.40 (mean +/- SD). CONCLUSIONS: It was suggested that there were two clinical types in CDC; the expression of bcl-2 did not correlate with the CDC patients' clinical courses and the cellular proliferation, and p53 expression was recognized in the CDC patients with highly cellular proliferation.
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This is a case report on a patient with double cancer of kidney and urinary bladder. The patient was a 65-year-old female, and she was admitted with the chief complaint of gross hematuria and right flank pain. After careful examinations, she was diagnosed with right nonfunctioning kidney caused by invasive bladder cancer. Computerized tomography incidentally revealed a mass in the upper pole of the left kidney. Selective left renal arteriography showed stretched arteries and irregularity and tortuosity of the smaller vessels. She was diagnosed with double cancer of bladder and left kidney. Owing to the damage of the right renal function, left partial nephrectomy, total cystectomy, right nephroureterectomy and left ureterocutaneostomy were performed. According to DMSA scintigraphy measured 15 days later, the uptake value of the left kidney was 13.25%, compared to the preoperative value of 25.62%. To date, this case is 36th reported case in Japan.
Simultaneous exposure to retinoids and interferons can result in enhanced antiproliferative and differentiating effects on malignant lesions. We studied the toxicity and the potential efficacy of an association of high dose etretinate and Interferon-alpha (IFN-alpha) in squamous cell carcinomas of the lung, head and neck, the esophagus, cervix and the penis, as well as in transitional carcinomas of the bladder. The treatment consisted of etretinate (Tigason) 4 mg/kg/d on 2, 3, 4 and finally 5 consecutive days every other week and IFN-alpha (Roferon) 6 Mio IU sc. q.d. for 5 days every week. Of 24 patients enrolled, 23 were assessable for toxicity and 20 for response. With two occurrences of grade 3 cutaneous toxicity, the administration of etretinate (Tigason) 4 mg/kg/d on 5 consecutive days every other week and IFN-alpha (Roferon) 6 Mio IU sc. q.d. for 5 days every week was considered to be the MTD. Toxicity was mild otherwise, mostly at grades 1 and 2 level, causing fatigue, skin peeling and erythema, mucositis and cheilitis; 3 PR (partial response) and 8 SD (stable disease) were recorded. Of the responders, one patient had become resistant to cisplatin-based chemotherapy and the other two had at no time ever received systemic therapy. We conclude that the association of high doses of etretinate and IFN-alpha has moderate activity in squamous cell carcinomas, is well tolerated, and that IFN-alpha plays a role in the improved tolerance of the retinoid.
A patient, having been treated by total cystectomy and Bricker's conduit operation for prostatic duct carcinoma with intraepithelial extension into the prostatic urethra and bladder, developed an annular, psoriasiform eruption around the external orifice of the urethra two and one-half years later. A biopsy of this lesion showed pagetoid changes of the epidermis. Microscopic examination of the surgical specimen, consisting of the glans penis and corpus spongiosum, demonstrated intraepithelial-tumor permeation into the glans penis, penile urethra, and periurethral glands (Littre). It seems reasonable to conclude that this is an unusual case of Paget's disease of the glans penis which probably originated from a prostatic duct carcinoma.