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Retrospective study of 124 patients (average age: 3.8 years) with midpenile hypospadias: 48.3% (60 children), distal penile: 45.9% (57) and coronal 5.6% (7), of which the 25.8% (16) presented ventral curvature and the 4.8% (6) resulting from the complication of another previous technique. All of them were operated according to Snodgrass' technique, removing the catheter between the 6th and 7th day in most of them. The global rate of complications was of 12%: 9 fistulae (7.2%) and 6 meatal stenosis (4.8%). Aesthetic result was satisfactory in all cases, getting glans covered by foreskin in 57.3%.

We present 3 new cases of urethral parameatal cysts in paediatric age. Literature is reviewed and histological data and ambulatory management are discussed.

Torsion of a cryptorchidid testicle presents a non-specific symptomatology. Clinical suspicion indicates surgical exploration, irrespective of Doppler ultrasound with its inherent false negative results. With regards to treatment, an orchiectomy is performed when the testis is necrotic. Management of the contralateral testis is controversial. Our policy is not to fix them systematically because we believe that a healthy education of parents and children is more important, so as to obtain an earlier diagnosis of a future torsion.

Introduction: Testicular microlithiasis (TM) represents an uncommon occurrence at paediatrics with a radiological incidence between 0.16 to 0.6% according to reports. The greater use of ultrasound as well as the availability of high-frequency probes has increased the number of incidental TM being diagnosed., Material and Method: From January 1998 to October 2002 seven children, aged 9 to 13 years (average 11 years and 1 months), were diagnosed of MT in our department. Sonographic appearance was hyperechogenic multiple small foci of 1-3 mm without acoustic shadowing of the testicular parenchyma., Aim: To evaluate sonographic patterns of TM, their associations, clinical consequences and to determine their management., Results: All children were asymptomatic and the reasons for the ultrasound were: cryptorchism (3), short height (1), gynecomastia (1), varicocele (1) and scrotum trauma (1). It should be noted that 3 of the cases showed bilateral TM. Out of 10 testicles with TM, 8 met classic testicular microlithiasis (CTM) criteria (at least one image that showed five or more microliths in either or both testes) and 2 had limited testicular microlithiasis (LTM) (to have at least one microlith). Clinical and radiological follow-up is being performed annually, ranging from 18 months to 6 years, during which there hasn't been progression or regression in the number of TM or in their distribution. In none of these cases there has been shown a related testicular cancer., Conclusions: In other broad reviews it has been shown that there is no evidence to suggest that the TM have to be considered as premalignant lesions by themselves. However, the association among TM and cancer exists. Because of that, and due to the lack of consensus, we recommend annual clinical and radiological (ultrasound) follow-up until puberty, and thereafter the patient should be informed of unknown natural history of this condition. We do not recommend more invasive procedures such as biopsy except: 1) apart form the TM there is a change in the echogenicity or 2) if there is a change in the number or distribution of the TM.

Objective: [corrected] To review urethrorrhagia cases, the need of complementary test, its management and natural history., Material and Method: A retrospective analysis was carried out for the 12 patients who suffered from urethrorrhagia, consecutively diagnosed in our department. Parameters as age, and micturitional habit were evaluated. In this way, we described the diagnostic techniques used, assessment and the follow-up of each patient., Results: All cases correspond to male children with an average age of 8.7 years (range: 18 months-14 years). Urethrorrhagia appears in 100% of the patients, episodes which were daily in 58.4%. 33% (4/12) of them also present other micturitional symptoms. 75% (9/12) had a lazy micturitional habit. Among the urological backgrounds we found: 1 patient was circumcised 3 years ago, a meatotomy was done in other due to meatus stenosis 2 years before, and a last one had an electrocoagulation of a urethral polyp just 1 month before. 83.4% (10/12) of urine cultures were negative. An urethrocystoscope was done in 9 patients finding a verum hypertrophy in 4, inflammatory changes next to membranous urethra in 3, scar at the bulbar urethra in 1 and in a last one no abnormalities were found. Out of 8 patients with lazy micturitional habit, 75% (6/8) resolve spontaneously once they correct their habits after a mean follow-up of 9 months. Only 2 patients needed surgery (TUR). In the other 2 patient, symptoms., Conclusions: Urethrorrhagia in childhood is a benign condition in most cases, which is almost always cured spontaneously during the first 2 years of follow-up. Radiological studies as well as endoscopic procedures are unnecessary in the early management of these patients thus being relegated to recurrent or persistent bleeding.

Urachal cysts are congenital anomalies detected predominantly during the childhood. They are often diagnosed when an infection occur mimicking a variety of acute intra-abdominal or pelvic processes. We present a case in a 7-year-old female infant, diagnosed of infected urachal cyst. The embryologic origin of this anomaly, clinical features, diagnosis and treatment are discussed.

Objective: [corrected] To analize the clinical presentation, diagnosis and surgical management of congenital megaprepuce (CM)., Material and Methods: We have made a retrospective study of four cases of CM diagnosed and treated in our centre between october 1997 and april 2005. We studied the diagnosis and surgical treatment., Conclusions: CM is an infrecuent condition that can be confused with others pathologies. It's necessary to diagnose and treat it correctly.

Objective: To value the efficacy in endoscopic treatment of the vesicoureteral reflux (VUR)., Material and Method: We have realized a prospective study in patients with RVU treated with endoscopic polydimethylsiloxane, from January 1999 until December 2001, analyzing the results after an average pursuit of 30 months. We included 144 patients, 92 girls and 52 children, with 213 VUR (124 primary ones and 89 of secondary etiology). The initial efficacy of the treatment was defined as the finished absence of RVU in the isotopic cystography, realized three months after the puncture., Results: The global efficacy of the endoscopic treatment in secondary etiology reflux was lower than the reached one in the treatment of the primary RVU (77.7% against 86.2%) but the differences did not reach statistical significance (p=0,226). We do not also find significant differences on having compared the injected volume and the valuation of resolution of the ebb between the different causes of secondary RVU (p=0.361). We found recurrence in patients with RVU due to lower urinary tract dysfunction (4.34%)., Conclusions: Endoscopic treatment of the secondary VUR is a minimally invasive skill, presents scarce morbidity and it is effective in chosen patients. The risk of a long term recurrence is grater in VUR secondary to functional alterations (neurogenic bladder and functional instability), for what, pursuit has to be established according to the base pathology.

Introduction: Since the beginning of the application of the RVU treatment, the use of the ultrasound was used taking into account two main indications/symptoms: a) identification of the complications; b) assessment of the result (visualization of the implanted material and the presence of the "uretheral jet" by means or through/of ecodoppler-color)., Objective: To determine the value of the ultrasound in the assessment of the result of the endoscopic treatment of the RVU and in the detection of its complications., Material and Method: From 2001-2002 we have carried out the endoscopic treatment to an overall of 261 ureteral units of all degree and etiology. 246 were assessed post-operation with an ultrasound per month and all of them were evaluated with a cistography after 3 months. In a random sample of 92 units, the result of the isotopic cistography has been compared with the visualization of the implanted material in the bladder; and in a random sample of 56 units, the result of the isotopic cistography has been compared with the presence of ureteral jet in the study with ecodoppler-color after moisturizing of the patient. In order to do, we have done two corresponding comparative charts 2 x 2 and we have calculated the Sensibility and Specificity of the tests, as well as their predictive positive and negative values, the degree of similarity of both tests with the Kappa index, and the degree of statistical relevance with Chi squared., Results: The ultrasound did not show significant changes if compared to previous studies in 213 units (86,58 %) although in 5 patients an ectasia has been identified as attributed to the treatment. 3 of this patients have developed renoureteral pain, and in 2 pain has spontaneously disappeared as shown in later tests. The S and the E of the presence of implanted material is 94% and 10%respectively and its VPP and VPN of 80% and 10% and estadistical. The S and E of the jet visualization is 82% and 30%, with a VPP of 84% and a VPN of 27%, a level of statistical relevance of 0.836 and a degree of correlation of 0.121., Conclusions: Ultrasound is not a useful technique in the assessment of the result of the endoscopic treatment of the RVU. The role it plays in the assessment of complications is a small one and its use is only indicated to confirm the suspicion of ectasia in those patients that present renoureteral pain.

Introduction: Nowadays, around 1% of children suffer from vesicoureteral reflux (VUR), which represents a risk factor for long-term kidney damage. In the last decade, development in this field has shown that subureteric endoscopic injection of bulking agents for childhood VUR is an acceptable alternative unlike long-term antibiotic prophylaxis and open surgery., Objective: To establish the complications of childhood VUR endoscopic treatment., Material and Methods: A retrospective analysis was carried out for every patient treated endoscopically in our department from January 1999 to September 2003, with a total amount of 516 implants of submucous bulking agents. All patients were assessed with an ultrasound as a first diagnostic technique so as to establish the complications associated with it, especially ureteral obstruction and injected agent migration., Results: Out of 516 cases, Macroplastique was used in 455, Deflux in 44 and Polytef in 17. 10 patients (1.9%) (5 girls/ 5 boys), with ages ranging from 15 months to 11,4 years, presented some kind of complications (Macroplastique was used in 8cases and Deflux in 2). Among them, 5 were remarkable due to an ureterohydronefrosis, 2 of which needed a nephrostomy. 3 patients presented an implant migration, 1 epididymitis and 1 bladder edema., Conclusions: Endoscopic bulking agent injection has become a safe alternative to open surgery in childhood VUR management.

Hemorrhagic infarction of the testicle is an unusual occurrence in the newborn infant. It usually develops as a consequence of torsion of the spermatic cord. We report a case of global testicular infarction in a newborn associated with a tense hydrocele.

Berdon syndrome is a rare congenital malformation that consists in megacystis and severe intestinal malformations that condition the prognosis in most of the cases. We report the three cases diagnosticated between 1976-2003. Diagnosis, therapeutics aspects and evolution are discussed.

Intrathoracic ectopia is an unusual ectopia that represents less than 5% of renal ectopia. The association of a duplex system and an intrathoracic renal ectopia is very rare. We report a case of a girl affected from these two anormalities, being the first case published in the literature reviewed. Presentation, diagnosis and therapeutic aspects are discussed.

Epidermoid cysts of the testis are rare in children (3% of all the testicular tumors). Bilateral appearance has only been described in the pediatric age in 2 cases and none associated to Klinefelter's syndrome. We present, for our knowledge, the first case of bilateral epidermoid testicular cyst associated to klinefelter's syndrome in a boy, highlighting its management and therapeutic approach. We analyze the different kinds of treatment.

Introduction and Objectives: Cutaneous vesicostomy (CV) is a choice temporary urinary diversion technique for patients with upper urinary tract (URT) dilation, secondary to vesical o infravesical disease. The objective of this study is to share our experience in children undergoing such diversion, analysing its efficacy to prevent urinary infections, improve or resolve the ureterectasia, and stabilise or improve renal function; in short the functional and morphological recovery of URT., Material and Methods: 43 children, mean age 2.5 years (range: 1 month-14 years) with ureterohydronephrosis grade IV-V, persistent urinary infection and/or renal function impairment underwent cutaneous vesicostomy (Blocksom's technique in 36 and Lapides' procedure in the rest). Thirty subjects had neuropathic bladder (26 with secondary vesicoureteral reflux), 7 massive primary vesicoureteral reflux, and 6 posterior urethral valve., Results: All children (100%) with neurogenic bladder (30 cases), showed improvement of ureteral-pyelic-calyceal ectasia after the diversion, and 90% improved renal function with disappearance of vesiculoureteral reflux in 65%. Augmentation cystoplasty with gut was performed in 12 patients during vesicostomy closure, using Mitrofanoff's type diversion in 5 of them. The same continent diversion with cecal appendix was used in another 7 children as the only procedure. The remaining 11 children still retain their vesicostomy. In 5 of the 7 children with primary vesicoureteral reflux, the reflux disappeared and so the vesicostomy was closed. Reflux correction during the same surgical procedure was required for the other 2 children. Of the 6 children with posterior urethral valves, 2 received a renal transplant, one is in waiting list and the rest (50%) maintain an acceptable renal function. In the first year of follow-up, 4 patients developed symptomatic urinary infection that later disappeared. The rest had occasional asymptomatic bacteriuria that required no treatment. Complications included vesical prolapse due to ostomy in 4 patients, lithiasis in 3 and stomal stenosis in 2., Conclusions: We consider vesicostomy to be the choice urinary diversion technique in cases of common section obstruction and/or non-obstructive ureterohydronephrosis in new-borns who do not improve with conservative treatment.

Testicular dislocation after blunt scrotal trauma is a rare event. This injure must be recognized and treated promptly to maximize the likelihood of testicular salvage. We describe a new case of unnoticed traumatic testicular dislocation with secondary testicular lost. We discuss the chain of events leading toward the correct diagnosis and treatment based on a review of published reports.

Contribution of two cases of renal adenocarcinoma in pediatric patients. Comments on the most updated and relevant aspects of epidemiology, clinical manifestations, diagnosis, treatment, prognosis and follow-up. Comparison to nephroblastoma and renal adenocarcinoma of the adult.

Rationale: The purpose of our work is to know the prevalence of allergies to latex in patients with myelomeningocele (MMC) and to evaluate any potential factors influencing its development., Methods: The study included 100 children with mean age 7.5 +/- 4.8 years, diagnosed with MMC by skin tests and total and latex-specific IgE determination. The results were compared to those obtained in three "control" groups: atopic patients, patients undergoing their first operation and multi-operated patients. The relationship between the different variables analyzed was assessed using univariant and multivariant statistical studies., Results: 29 were sensitized (15 symptomatic and 14 asymptomatic) and 8 doubtful. Results showed statistically significant (p < 0.05) differences for atopic and first operation groups and non significant differences for the multi-operation group. The multivariant study selected the followed as the most relevant variables: number of surgical interventions, total IgE levels in z units, ventricle-peritoneal by-pass carriers and atopy background. Also in the multivariant study, the following showed statistically significant results: age, Cums' number, inclusion in intermittent catheterism program and total IgE levels. Neither sex or familial background of atopy showed statistical significance., Conclusions: Allergy to latex in MMC patients is related to multiple antigen contacts, the numerous manipulations and operations undertaken throughout the patient's life plus a personal propensity to allergies. It is essential that this group should adopt certain standards to minimize contact with the antigen and undergo an allergological study so as to detect those who are sensitized, which in nearly half our series has not yet exhibited symptomatology in contact with latex utensils. All diagnostic and therapeutical procedures should be conducted in latex-free environments.

Presentation of a review of 10 paediatric patients with tumour of the testis vitelline sack, to report our experience in the management of this pathology. Mean age was 20 months (14-32), and the interval of the study was from 1970 to 1994. After orchiectomy, 7 children were included in stage I, 1 in stage II, and 2 in stage III. Four underwent Retroperitoneal Lymphadenectomy. All patients in stage I are currently free of disease, with a mean follow-up of 132 months, regardless the type of treatment employed (vigilance in 2 cases, chemotherapy in 2, and chemotherapy plus Retroperitoneal Lymphadenectomy in 3). On the contrary, the 3 children with extratesticular disease died 15, 18 and 15 months after orchiectomy. In conclusion, we believe that patients included in stage I should undergo only a strict vigilance, based on the excellent prognosis of this group and the lack of differences between the survival time obtained with the various therapeutical approaches followed. On the other hand, patients with stage II or stage III disease should receive from the beginning chemotherapy, thus saving the Retroperitoneal Lymphadenectomy for the residual disease.

Contribution of 14 patients with Unilateral Total Multicystic Renal Dysplasia treated with conservative criteria, with particular emphasis in the absence of clinical complications, as well as the natural tendency to involution of the affected organs. Five dysplastic kidneys disappeared in the ultrasound, 4 decreased in size, 3 remained the same and 2 have been removed. Review of the literature and discussion of all the reasons why nephrectomy was traditionally indicated, explaining the reasons why we support an expecting attitude.

Between 1970 and 1993, five children with paratesticular rhabdomyosarcoma (PR) and age ranging from 3 to 10 years were treated by our group. Following radical orchidectomy and clinical staging, 4 were rates as Group I-IRS (completely resected local disease) and 1 in Group IV-IRS (distant metastasis). All patients in Group I underwent intensive chemotherapy with vincristine, actynomicin D and cyclophosphamide (VAC) for 18 months, while no case of retroperitoneal lymphadenectomy was performed. Currently, all patients are disease free with a mean follow-up of 8 years and 5 months. The single patient included in Group IV received radiotherapy (800 rads in abdominal field) and chemotherapy with VAC + prednisone (PDR), and retroperitoneal lymphadenectomy of residual masses was performed. The patient developed liver metastasis and died 20 months later. The purpose of this paper is to convey the reader our experience in the treatment of PR in children, making a special reference to the excellent prognosis when the disease is limited to the scrotum and recommending in such cases the use of intensive chemotherapy with VAC after performing radical orchidectomy.

This paper reviews the surgical procedure performed in 119 kidneys (114 children), diagnosed with congenital hydronephrosis due to pyeloureteral juncture stenosis (PUJS). Approaches used for diagnosis and choice of surgical techniques are commented. Puncture/nephrostomy with functional kidney assessment has been the method selected in extreme cases. Nephrectomy was the chosen option in 8 cases (6.7%) while conservative surgery was indicated in the others. Anderson-Hynes dismembered pyeloureteral plasty was the technique used in 110 cases with a 97.28% rate of success. Post-operative occurrences are commented and are related to the presence of pre- and post-operative derivation.

A case of retroperitoneal abscess with appendicular origin is presented. Both diagnostic process and therapeutic approach is analyzed. We also review the literature on cecal appendix pathology and its relationship to the urinary tract.