Kidney volume is regarded as the most precise indicator of kidney size. However, volume assessment is not widely used clinically because its measurement is difficult due to the complex kidney shape. Apart from the conventional methods of measurement of renal dimensions from X-rays, ultrasound scan, computed tomography scan and magnetic resonance imaging have evolved as the three best modalities for this purpose currently. Assessment of kidney size should also be made individually since many factors like body mass index, height, gender, age, position of kidneys, sex, stenoses and number of renal arteries influence the measurements. In this paper, we have critically analysed the advantages and disadvantages of the various methods of renal morphometry, by reviewing the literature spanning over the period of 1976 - 2009.

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Objective : To evaluate the expression pattern of epidermal growth factor receptor (EGFR) in urinary bladder cancer and its association with human epidermal growth factor receptor 2 (HER2), epidermal growth factor (EGF), interleukin-6 (IL-6), and high risk human papilloma virus (HPV) types 16 and 18. Materials and Methods : Thirty cases of urothelial carcinoma were analyzed. EGFR, HER2, EGF, and IL-6 expressions in the tissue were evaluated by immunohistochemical staining. For HPV, DNA from tissue samples was extracted and detection of HPV was done by PCR technique. Furthermore, evaluation of different intracellular molecules associated with EGFR signaling pathways was performed by the western blot method using lysates from various cells and tissues. Results : In this study, the frequencies of immunopositivity for EGFR, HER2, EGF, and IL-6 were 23%, 60%, 47%, and 80%, respectively. No cases were positive for HPV-18, whereas HPV-16 was detected in 10% cases. Overall, expression of EGFR did not show any statistically significant association with the studied parameters. However, among male patients, a significant association was found only between EGFR and HER2. Conclusions : Overexpression of EGFR and/or HER2, two important members of the same family of growth factor receptors, was observed in a considerable proportion of cases. Precise knowledge in this subject would be helpful to formulate a rational treatment strategy in patients with urinary bladder cancer.

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systematic review of the literature on perioperative morbidity (POM) was done using Medline software with a combination of keywords like mortality, morbidity, and complications. In addition, we review the analysis of our hospital data of 261 Radical cystectomies (RCs) performed in an 11-year period and our latest clinical pathway for RC. Age range in our series was 50 to 81 years with 240 males and 21 females. RCs were performed by intraperitoneal method in 172 patients and by our extraperitoneal (EP) method in 89 patients. Urinary diversion was ileal conduit in 159 patients and neobladder in 102 patients. Blood loss ranged between 500 and 1500 ccs. Postoperative mortality occurred in eight patients (3%). Among the other early post-op complications, major urinary leak was seen in nine and minor in 11, requiring PCN in five patients and reoperation in four patients. Bowel leak or obstruction was seen in six and four patients, respectively, requiring reoperation in six patients. EP RC in our series showed some benefit in reduction of POM. The mortality of RC has declined but the POM still ranges from 11 to 68%, as reported in 23 series (1999-2008) comprising of 14 076 patients. Various risk factors leading to POM and some corrective measures are discussed in detail. However, most of these series are retrospective and lack standard complication reporting, which limits the comparison of outcomes. Various modifications in open surgical technique and laparoscopic and Robotic approaches are aimed at reduction in mortality and POM of RC.

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Background and objective : The current standard for the diagnosis and followup of bladder cancer remains white light cystoscopy, despite its well-known limitations. The aim of this paper is to review the current literature on three optical diagnostics that have been developed to improve the performance of white light cystoscopy: photodynamic diagnosis, narrow-band imaging and optical coherence tomography. Materials and Methods : A PubMed search was performed for all articles on bladder cancer and photodynamic diagnosis, narrow-band imaging, and optical coherence tomography. Relevant papers on the working mechanism or clinical performance of the techniques were selected. Results : Photodynamic diagnosis and narrow-band imaging both aim to improve the visualization of bladder cancer. Both techniques have demonstrated an improved detection rate of bladder cancer. For photodynamic diagnosis, decreased residual tumor rates and increased recurrence free survival after photodynamic diagnosis-assisted transurethral resection have been shown. Both techniques have a relatively high false positive rate. Optical coherence tomography is a technique aiming at real-time noninvasive pathological diagnosis. Studies have shown that optical coherence tomography can accurately discriminate bladder cancer from normal bladder mucosa, and even suggest that a reliable estimation of the stage of a bladder tumor can be made. Conclusions : Photodynamic diagnosis is the technique with most evidence of clinical effectiveness to date, but low specificity is limiting a widespread use. For the novelties, narrow-band imaging, and optical coherence tomography, more evidence is needed before these techniques can be implemented in daily urological practice.

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Introduction : Laparoendoscopic single-site donor nephrectomy (LESS-DN) is a procedure in evolution. Currently described techniques utilize single port access devices and articulating, flexible, and bent working instruments. We describe a modified technique of transumbilical LESS-DN with conventional laparoscopic instruments in five kidney donors. Materials and Methods : Three standard laparoscopic ports (10 mm x 1, 5 mm x 2) were placed through a 4.5 cm vertical transumbilical incision. A 10 mm 45°, long bariatric lens (Karl Storz) was used. Renal mobilization was performed using conventional rigid laparoscopy instruments. A port closure needle loaded with a blunt plastic needle cap was used for traction. After hilar clamping, an incision was made connecting the three ports, and the kidney was extracted using a preplaced suture over the lower pole fat. All data were prospectively recorded. Results : LESS-DN was performed successfully in all five patients. The mean operative time was 157.2 minutes (range, 134-184) and the mean warm ischemia time was 3.2 minutes (range, 3-4). All donors were discharged on postoperative day 3 and were able to resume normal physical activity by 2 weeks after the procedure. All donors had an excellent cosmetic outcome. The mean serum creatinine (recipient) at discharge was 1.14 mg% (range, 0.9-1.4). Conclusions : Transumbilical LESS-DN can be cost-effectively performed using conventional laparoscopy instruments and without the need for a single port access device. Warm ischemia times with this technique are comparable with that during conventional multiport laparoscopic donor nephrectomy.

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Introduction : HER-2 expression in prostate cancer is associated with a worse prognosis and is suggested to play a role in androgen resistance. We present a study of HER-2 expression in circulating tumor cells and micrometastasis in bone marrow and the effect of androgen blockage or DES in the presence of HER-2 expressing cells. Patients and Methods : A multicenter study of men with prostate cancer, treated with surgery, radiotherapy, or observation, and with or without hormone therapy. Mononuclear cells were separated from blood and bone marrow aspirate by differential centrifugation, touch preps were made from bone marrow biopsy samples. Prostate cells were detected using anti-PSA monoclonal antibody and standard immunocytochemistry. Positive samples were processed using Herceptest® to determine HER-2 expression. After 1 year, patients were re-evaluated and the findings of HER-2 expression and PSA change compared with treatment. Results : Total 199 men participated, and 97 had a second evaluation 1 year later, frequency of HER-2 expression in circulating tumor cells and micrometastasis was 18% and 21%, respectively. There was no significant difference in HER-2 expression in the pretreatment group, after radical surgery or radiotherapy or with biochemical failure. Men with androgen blockade had a significantly higher expression of HER-2 (58%) (P =0.001). Of the 97 men with a second evaluation, 56 were in the observation arm, 27 androgen blockade, and 14 DES. Use of androgen blockade or DES significantly reduced serum PSA levels in comparison with observation (P =0.001). However, there was a significant increase in HER-2 expression in patients with androgen blockade (P =0.05) en comparison with observation or DES treatment. No patient with observation or DES became HER-2 positive, en comparison 4/22 patients initially HER-2 negative became HER-2 positive with androgen blockade. Conclusions : The results suggest that HER-2 positive cells are resistant to androgen blockade. In an environment lacking androgens, HER-2 positive cells are selected and survive, while HER-2 negative cells are eliminated thus decreasing the serum PSA. The population of HER-2 positive cells proliferate producing androgen-independent disease. DES does not increase HER-2 expression possibly by stimulating beta-estrogen receptors and blocking HER-2 androgen receptor activation.

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Primary leiomyosarcoma of testis is a rare entity with few cases reported in literature. Primary leiomyosarcoma of testis usually occurs following radiotherapy or long-term anabolic steroid use. Without these predisposing factors, its occurrence is rare. In the present study, we present a rare case of primary leiomyosarcoma of testis occurring in an elderly patient, with an unusual presentation mimicking epididymo-orchitis and metastasis eight months following high inguinal orchidectomy.

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Introduction : Repeated attempts at surgical repair of serious complications involving either the partial or complete breakdown of the hypospadias repair are less likely to succeed because the penis is densely scarred, or significantly shortened, and the skin over the penis is immobile and hypovascular. Buccal mucosa (BM) has become the preferred material for reconstruction, whenever a child with skin-deficient hypospadias needs reoperation. We report the results of our surgical experience with staged reoperation using BM, in the repair of hypospadias in children with complications after multiple failed repairs. Materials and Methods : Children needing reoperation for hypospadias underwent a staged repair using buccal mucosa. The complications were noted. Results : Twenty-one children aged 3 - 16 years underwent this staged repair during the period May 2000 - April 2010. Two of these 21 children had a failed first stage. One child developed a urethro-cutaneous fistula following the second stage, which was corrected in an additional stage. Conclusions : The use of the buccal mucosa graft for urethral reconstruction in a child with hypospadias, needing a reoperation, is a successful method, with a low incidence of complications.

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Introduction : A total of 356,557 new cases were diagnosed annually worldwide in 2009, it was estimated that 52,810 new patients were to be diagnosed with bladder cancer and there were 10,180 projected deaths from the disease in the USA. Despite being the fourth commonest cancer in men, we do not have an early detection/screening program for bladder cancer. The review was aimed at looking at the evidence for the rationale for an early detection program for bladder cancer. Materials and Methods : A detailed search on bladder cancer epidemiology, diagnosis, pathology, tumor markers, treatment outcomes, screening, morbidity and mortality of bladder cancer was carried out on Pubmed central/Medline. Original articles, review articles, monograms, book chapters on bladder cancer, text books on urological oncology, oncology and urology were reviewed. The latest information for new articles before publication was last accessed in June 2010. Discussion and Conclusions : Bladder cancer is the fourth commonest cancer in men, the annual death rate from this disease is significant and every year there is an increase in its incidence globally. The prognosis of bladder cancer is stage and grade dependent; the lower the stage (T2 or less) the better is the survival. Delay in the diagnosis and treatment does alter the overall outcome. Therefore, there is a clear need for early detection of bladder cancer and screening program. Although we do not have an ideal marker for bladder cancer, it is time we maximize the potential of markers such as UroVysion, NMP22 along with cytology to start such a program. May be as a first step the early detection and screening program could be started in high-risk population. It is not worth waiting till we find the best marker as it would be unfair to our patients. The fear of unnecessary tests and treatment in bladder cancer after its detection in screening program is without any substance. The cost-effectiveness of such a program is certainly comparable to that is used for colon or breast and for prostate as well.

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The survival of patients on long-term hemodialysis has improved. End-stage renal disease patients now need maintenance of their vascular access for much longer periods. Arteriovenous fistulae formed at the wrist are the first choice for this purpose, but, in many patients, these fistulae fail over time or are not feasible because of thrombosed veins. We searched the Pubmed database to evaluate the various options of vascular access in this group of patients based on the published literature. It is quite evident that, whenever possible, autogenous fistulae should be preferred over prosthetic grafts. Use of upper arm cephalic and basilic veins with transpositions wherever required can enhance autogenous fistula options to a large extent. Upper arm grafts should be used when no autogenous fistula is possible. Lower limb and body wall fistula sites are to be considered at the end, when all options in both upper limbs are exhausted.

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Context : Various minimally invasive techniques - laparoscopic, endoscopic or combinations of both - have been described to handle the lower ureter during laparoscopic nephroureterectomy but none has received wide acceptance. Aims : We describe an endoscopic technique for the management of lower end of ureter during laparoscopic nephroureterectomy using a single suprapubic laparoscopic port. : Transurethral resectoscope is used to make a full thickness incision in the bladder cuff around the ureteric orifice from 1 o'clock to 11 o'clock. A grasper inserted through the transvesical suprapubic port is used to retract the ureter to complete the incision in the bladder cuff overlying the anterior aspect of the ureteric orifice. The lower end of ureter is subsequently sealed with a clip applied through the port. This is followed by a laparoscopic nephrectomy and the specimen is removed by extending the suprapubic port incision. Our technique enables dissection and control of lower end of ureter under direct vision. Moreover, surgical occlusion of the lower end of the ureter prior to dissection of the kidney may decrease cell spillage. The clip also serves as a marker for complete removal of the specimen. Results : Three patients have undergone this procedure with an average follow up of 19 months. Operative time for the management of lower ureter has been 35, 55 and 40 minutes respectively. A single recurrence was detected on the opposite bladder wall after 9 months via a surveillance cystoscopy. There has been no residual disease or any other locoregional recurrence. Conclusions : The described technique for management of lower end of ureter during laparoscopic nephroureterectomy adheres to strict oncologic principles while providing the benefit of a minimally invasive approach.

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Transurethral resection is an effective therapy for non-muscle-invasive bladder cancer. However, the high rates of recurrence and significant risk of progression in higher grade tumors mandates additional therapy with intravesical agents. In this review we discuss the role of various intravesical agents currently in use including the immunomodualtory agent BCG and chemotherapeutic agents. We discuss the current guidelines and the role of these therapeutic agents in the context of higher grade Ta and T1 tumors.

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Upper urinary tract (UUT) transitional cell carcinoma (TCC) is relatively rare tumor. Approximately 0.7-4% of patients with primary bladder cancer develops UUT-TCC. The symptoms related to an UUT-TCC often occur with an advanced stage which leads one to emphasize a surveillance strategy to monitor the UUT to allow for an earlier diagnosis. Although the risk of UUT-TCC after bladder cancer is well established, there is a paucity of recommendations suggesting the optimal method and frequency of monitoring the UUT and there is no consensus among them. This article reviews the recommendations on monitoring the UUT in patients with bladder cancer.

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Hemorrhagic cystitis consists of acute or insidious diffuse bleeding from the bladder mucosa. It can be caused by radiation, drugs, autoimmune diseases, viral and bacterial infections, etc. Hemorrhagic cystitis is a well-recognized complication of cyclophosphamide therapy and it can be potentially fatal. We discuss two cases of cyclophosphamide-induced hemorrhagic cystitis where outcome of conventional management was not satisfactory and a novel therapy using hyperbaric oxygen was used. Hyperbaric oxygen therapy (HBOT) reduces inflammation, stimulates neoangiogenesis, maintains tissue oxygenation and heals tissue hypoxia and radio necrosis. Patients received 100% oxygen in a hyperbaric chamber at 2.5 atmosphere absolute (ATA) for 90 minutes, 5 days a week. One patient was given 36 sessions and the other was given 19 sessions of HBOT. HBOT resulted in complete cessation of bleeding; no side effect was noted during the course of therapy. There was no relapse after 12 months of cessation of treatment. In future, this form of therapy can offer a safe alternative in the treatment of cyclophosphamide-induced hemorrhagic cystitis.

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Calculi in a neobladder usually present with irritative lower urinary tract symptoms, flank pain, and haematuria. We report a case of giant stones in a sigmoid neobladder, who presented with medial thigh pain.

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Aim : To assess the need of a second transurethral resection (TUR) in select T1G3 bladder tumor patients. Materials and Methods : All the pT1G3 bladder tumors diagnosed during the period between January 2005 and December 2008 were included. Second TUR was routinely performed in all the pT1G3 bladder tumors within 4-6 weeks. Fifty out of the 68 patients with T1G3 underwent a second TUR and were retrospectively reviewed. The primary bladder lesions were grouped as solitary papillary, multiple papillary and sessile lesions. Statistical analysis was performed using STATA version 11 (STATA Corp., Texas, USA). Results : Forty percent (n = 20) of the lesions were solitary papillary, 48% (n = 24) were multiple papillary and 12% (n = 6) were sessile lesions. All our resections had muscularis propria sampled at the end of the resection and separately sent for histopathological examination (HPE), which showed them to be tumor free. Thirty-six percent of patients had residual disease at the second resection and 4% were upstaged. Ninety-five percent of the patients (n = 19) with solitary papillary lesions did not have any residual disease and 50% (n = 12) of the multiple papillary and 83.3% (n = 5) of the sessile group had residual disease at the second TUR. Conclusions : Patients with T1G3 tumors do not represent a homogenous group. Second TUR is recommended in patients with high-grade T1 urothelial bladder carcinoma as it identifies residual disease and invasive disease. Solitary papillary lesions may be the only group where the need for the second TUR is questionable.

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Genitourinary involvement with sarcoidosis is very rare. The objective of this report was to present a case of a patient with testicular swelling. The patient was an infertile 42-year-old man with bilateral testicular swelling. Semen analysis in the past 10 years revealed no abnormality; however, gradually he became azoospermic in 3 years. A diagnosis of sarcoidosis made on the basis of hilar and mediastinal lymphadenopathy in chest CT scan was confirmed through testicular and epididymal biopsy. Testicular masses vanished after administering steroids, and azoospermia recovered. To conclude, although genitourinary sarcoidosis is rare, it must be kept in mind in patients with confirmed sarcoidosis.

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Context : Study of clinical outcome in renal cryoablation. Aims : Laparoscopic cryoablation (LCA) is emerging as a reliable treatment option for small renal masses (SRMs) particularly in elderly patients. Our aim was to study the results of cryoablation for small renal masses in our cohort of patients. Settings and Design : We retrospectively studied all patients who underwent LCA for SRMs between September 2005 and July 2008. Materials and Methods : All patients were discussed in our multidisciplinary meeting prior to cryoablation. Our LCA protocol included two freeze-thaw cycles, achieving a core temperature of -70°C and a peripheral temperature of at least -40°C. Follow-up included serum creatinine measurements and pre- and postcontrast CT scans at 3, 6, 12, 18, and 24 months and yearly thereafter. Statistical analysis used : Paired samples t-test was used to study statistical difference. Results : Twenty-two patients underwent LCA with a mean (range) age of 68 (39-81 years) years. The mean (range) tumor size was 29 (19-45 mm) mm. Two patients required blood transfusions, one patient developed pneumonia, and another patient developed a small area of skin necrosis at the cryoneedle entry site. The average (range) hospital stay was 4 (2-14 days) days. Twenty-one patients have had CT follow-up at a mean (range) of 24 (4-42 months) months. Three of the 21 tumors showed central enhancement on follow-up CT scans, consistent with treatment failure. Conclusions : Laparoscopic cryoablation is a safe treatment option for SRM in a selected group of patients.

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In recent years, a rare distinctive kidney tumor composed of a mixture of stroma and epithelium with solid and cystic architecture has been recognized, which has to be distinguished from other renal neoplasms. The term mixed epithelial and stromal tumor was first introduced by Michal and Syrucek in 1998. ^[1] The vast majority of cases show a benign course without tumor recurrence. Here, we present a case of this entity, found incidentally.

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Retroperitoneal lymph node metastases from testicular germ cell tumor are common, but fungation of such mass through the anterior abdominal wall is extremely rare. We report such a case which had a favorable response to chemotherapy.

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Residual masses following chemotherapy in testicular tumors have been characterized as necrosis, mature or immature teratoma, and malignant tumors. Twenty four patients had retroperitoneal lymph node dissection for postchemotherapy residual masses between January 2000 and December 2008. We report two patients; one with late relapse and other with postchemotherapy residual mass, who had tuberculosis. Tumor markers were normal, and PET scan showed increased uptake in residual mass. There are no previous reports of tuberculosis in postchemotherapy residual masses.

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Bladder cancer has variable biological behavior pattern in different individuals and the debate regarding peri-operative use of systemic chemotherapy with the surgical management remains. The optimal treatment strategy, regimen and the timing of peri-operative chemotherapy are not yet known. Here we review the existing literature for the use of systemic peri-operative chemotherapy in management of advanced bladder cancer.

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Urothelial cancer, despite advances in the field of medicine, remains an enigmatic problem with no tangible solution to treat it once it goes beyond the detrusor muscle. Nonmuscle-invasive bladder cancer form the majority of bladder cancer at presentation and high-grade lamina-invasive bladder cancer (HGLIbc) previously known as T1G3 is the most controversial subtype as far as treatment is concerned. Should the patient be given BCG or is an initial cystectomy a better outcome? If BCG is started should the patient be kept on maintenance? Urothelial cancer has no effective adjuvant treatment, therefore being proactive in identifying aggressive tumors to begin with would help in improving survival. This short review, based on the contemporary literature has tried to evolve an approach which may help in making clinical decision to treat HGLIbc.

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Stent migration is a well recognized complication of forgotten stents, but migration into the renal pelvis is rarely documented. We present a case of migration and coiling of a forgotten stent in the renal pelvis, and discuss briefly, the etiological factors for the phenomenon and associated problems in management.

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