Stem Cell Therapy for Erectile Dysfunction: A Step towards a Future Treatment.

Background: The improvement of absent or partial response in the medical treatment of erectile dysfunction (ED) has led to the development of minimally invasive new treatment modalities in the field of regenerative medicine. Methods: A literature review on stem cell therapy for the treatment of ED was performed. We searched for the terms "erectile dysfunction" and "stem cell therapy" in PubMed and Clinicaltrials.gov. Literature searching was conducted in English and included articles from 2010 to 2022. Results: New treatment modalities for ED involving stem cell therapy are not only conceived with a curative intent but also aim to avoid unnecessary adverse effects. Several sources of stem cells have been described, each with unique characteristics and potential applications, and different delivery methods have been explored. A limited number of interventional studies over the past recent years have provided evidence of a safety profile in their use and promising results for the treatment of ED, although there are not enough studies to generate an appropriate protocol, dose or cell lineage, or to determine a mechanism of action. Conclusions: Stem cell therapy is a novel treatment for ED with potential future applications. However, most urological societies agree that further research is required to conclusively prove its potential benefit.

Prospective Observational Cohort Study of the Efficacy of Bacterial Immune Prophylaxis in the Prevention of Uncomplicated, Recurrent Urinary Tract Infections.

OBJECTIVE: To investigate the long-term prophylactic effect of a vaccine on lower urinary tract infections (UTI) of bacterial and the impact of the intensity of the symptoms on the quality of life (QoL). METHODS: Adult female could be enrolled in this study if they had acute UTI at the enrolment visit and bacterial microbiological count of ≥103 CFU/mL of Escherichia coli. RESULTS: A total of 21 patients were included. Fifteen days after the administration of a vaccine for 3 months, the number of infections dropped almost to zero. Significant differences were observed in the QoL score (p < 0.05). The safety profile was good. CONCLUSIONS: In patients diagnosed with recurrent UTI and treated for 3 months with the vaccine the number of UTI episodes fell very quickly (15 days), and patients remained free of episodes and improved their QoL significantly for 1 year. These results suggest that bacterial vaccines are a possible effective alternative in the prevention of recurrent UTI.

[Greenlight-XPS laser vaporization, the new standard of treatment in men with myasthenia gravis and benign prostatic obstruction]? / La fotovaporización prostática con laser (PVPL) podría constituir una alternativa eficaz y segura a la resección transurethral (RTUP) en pacientes con miastenia gravis.

UNLABELLED: Patients with Benign Prostatic Obstruction (BPO) and Myasthenia Gravis (MG) treated with Transurethral Resection of the prostate (TURP) show a high incidence of urinary incontinence due to unnoticed damage to muscle fibres of the external sphincter. Photoselective laser vaporization could be an alternative treatment based on the hypothesis that using Laser as energy source in the treatment of BPH prevents sphincter damage because the energy is not transmitted outside the fiber tip. METHODS: We report the case of a man diagnosed of MG and symptomatic BPO treated satisfactorily with photoselective laser vaporization (GreenLight-XPS). RESULTS: Patient did not experienced postoperative secondary incontinence. CONCLUSIONS: Laser photoselective vaporization (GreenLight-XPS) could be the standard treatment for men with MG and BPO, whose prostate volume is less than 60 cc who are candidates for surgical treatment. Despite the extremely low incidence of these cases, further investigations are needed to confirm this affirmation.

Prostatic nephrogenic adenoma. Case report.

OBJECTIVE: We present a case of prostatic urethra nephrogenic adenoma as an incidental finding following transurethral resection of the prostate. METHOD/RESULT: It is an incidental diagnosis of nephrogenic adenoma of prostatic urethra in a 50-year-old male operated for benign prostatic hyperplasia by means of transurethral resection. CONCLUSIONS: Nephrogenic adenoma is an infrequent and benign lesion of the urinary tract, associated with a previous history of trauma or irritation on the urothelium. Predisposing factors include infections, calculi, surgery, trauma and kidney transplantation.

Prostatic abscess: diagnosis and treatment of an infrequent urological entity.

OBJECTIVE: To report two cases of prostatic abscess of difficult management and review the literature on diagnosis and management of this entity. METHODS /RESULTS: We describe two patients with prostatic abscess. The first one, a 73-year-old diabetic male, was treated using a more passive approach with percutaneous transrectal drainage; after a slow response, the patient passed away due to sepsis. The second case was a 59-year-old male who experienced a negative clinical response to antibiotic treatment. While under antibiotic ambulatory care the patient was treated with a transurethral resection of the prostate, which yielded a successful outcome. CONCLUSION: Prostatic abscess is a rare entity that affects individuals experiencing weakness and can be a serious condition. Measures taken to arrive at a resolution must be rapid and appropriate.

Adrenal myelolipoma. Contribution of a case and bibliographic review.

OBJECTIVE: We report the case of adrenal gland myelolipoma. METHODS/RESULTS: The patient was a 29 year old who is diagnosed with an adrenal adenoma during an endocrinology review. He underwent laparoscopic adrenalectomy. The pathological study confirmed the diagnosis of adrenal myelolipoma. CONCLUSIONS: The myelolipoma is a rare tumor composed of hematopoietic elements in different maturation stages and without histological changes, combined with mature adipose tissue in varying proportions. Most of them are incidental findings during radiologic complementary tests. Treatment should be tailored to each particular case. Surgery is indicated when the mass exceeds the size 4-6 cm or when it is a functioning mass.

[Hematuria of papillary or medullar origin: a difficult diagnosis entity]. / Hematuria de origen papilar o medular: entidad de difícil diagnóstico.

OBJECTIVES: Renal haemangiomas of renal papillary or medullar origin are a difficult diagnosis entity, being one of the most frequent processes of chronic episodes of hematuria, secondary to benign disease, mainly in young patients. The objective of this paper is to show the difficulty of this diagnosis and the need to suspect it in cases with clinical history similar to the ones described in these cases. METHODS: We report 4 cases of spontaneous hematuria of renal origin, with clinical presentation as renal colic, from the historical case series of the Fundacion Jimenez Díaz-Capio, the last two from the years 2005-6. We present the diagnostic and therapeutic methodology employed, including angio-CT and flexible ureterorenoscopy (URS) as well as various treatment options. RESULTS: Hematuria was identified as "essential" when any relation with tumor or lithiasic pathologies was ruled out, and of renal origin when the source was clearly pointed. We interpreted it was related to angiomas or microangiomas of papillary or medullar origin. In one case, the vascular malformation was interpreted as an arterial venous fistula (AVF) at that level. Hematuria stopped spontaneously in two cases after exploratory URS. The eldest historical case required surgical expiration of the caliceal structures. CONCLUSION: Years ago, following the professional development of Urology as speciality, conventional surgery was carried out in all these cases, of very difficult diagnosis, with a very small number of cases undergoing a conservative approach based on the examination of renal cavities trying to observe and find the bleeding point. Most cases underwent complete or partial nephrectomy. Currently, the possibility of exploration of all renal cavities with the flexible ureterorenoscope enables a better diagnosis of the lesions and a more conservative treatment. The ultimate diagnosis of renal papillary angioma is the pathologic diagnosis, without pathognomonic data in the imaging tests. This pathology is thought of at the end of the diagnostic workup, and when the papillary area is identified as the source of bleeding. The historical case series, with the pathologic findings from nephrectomy specimens, permits us to point out this entity as papillary angioma, in patients with similar clinical presentation.