Long-term histological and hemodynamic findings of repairing penile tunica albuginea defects with collagen fleece in dogs.

Clinically, collagen fleece patching of the penile tunica albuginea (TA) has been successful. However, the histopathological and hemodynamic outcomes are not known. We studied in vivo TachoSil® patching in two beagle dogs weighing 16.

Using machine learning models to predict synchronous genitourinary cancers among gastrointestinal stromal tumor patients.

Objectives: Gastrointestinal stromal tumors (GISTs) can occur synchronously with other neoplasms, including the genitourinary (GU) system. Machine learning (ML) may be a valuable tool in predicting synchronous GU tumors in GIST patients, and thus improving prognosis. This study aims to evaluate the use of ML algorithms to predict synchronous GU tumors among GIST patients in a specialist research center in Saudi Arabia.

A study of the histopathology of collagen fleece (TachoSil) patching of tunica albuginea in the rat penis and a literature review of penile graft materials in experimental animals.

Background: A penile tunica defect may arise during surgery in patients with Peyronie's disease. Collagen fleece (TachoSil) has recently gained popularity in penile surgery to cover the tunica albuginea (TA) defect associated with clinical success. However, it is not known what the histological outcomes of these grafts are in the penis.

A retrospective cohort study on the use of machine learning to predict stone-free status following percutaneous nephrolithotomy: An experience from Saudi Arabia.

Background: Machine learning techniques have been used extensively in the field of clinical medicine, especially when used for the construction of prediction models. The aim of the study was to use machine learning to predict the stone-free status after percutaneous nephrolithotomy (PCNL).

Materials And Methods: This is a retrospective cohort study of 137 patients.

A Staghorn Calcium Phosphate Stone in a Child With Sanjad-Sakati Syndrome: An Iatrogenic Manifestation?

Sanjad-Sakati syndrome (SSS) is an autosomal recessive genetic condition, with the first report discussing this condition presented in Saudi Arabia. This case report describes an iatrogenic stone as a result of hypocalcemia overtreatment, along with its subsequent management procedure. The current literature concerning the iatrogenic stone occurrence and the operative outcome of percutaneous nephrolithotomy in individuals with SS is scarce, warranting further investigation.

A Primary Urothelial Carcinoma Presenting as a Mid-Bulbar Urethral Stricture in a 30-Year-Old Male.

The bulbar urethra is the most common site of anterior urethral strictures. In this case report, we present a 30-year-old male who was referred to us as a case of mid-bulbar urethral stricture. Urethroplasty was booked and a papillary lesion was found on routine diagnostic cystoscopy.

The grasper-integrated disposable flexible cystoscope is comparable to the reusable, flexible cystoscope for the detection of bladder cancer.

Flexible cystoscopy under local anaesthesia is standard for the surveillance of bladder cancer. Frequently, several reusable cystoscopes fail to reprocess. With the new grasper incorporated single-use cystoscope for retrieval of ureteric stents, we explored the feasibility of using it off-label for diagnosis and the detection of bladder cancer.

Operative outcomes of robotic partial nephrectomy. A report of the first 101 cases from a single center in Saudi Arabia.

To report robotic partial nephrectomy (RPN) outcomes from a single tertiary hospital in Saudi Arabia. Methods: We retrospectively reviewed consecutive cases of patients undergoing RPN at King Faisal Specialist Hospital and Research Center, Riyadh, Kingdom of  Saudi Arabia, between January 2008 and January 2018. The study reports patient's demographics, tumor characteristics, operative details, and perioperative outcomes, using descriptive statistics of median and range values.

Hypospadias repair during adulthood: Case series.

Purpose: We report our complications and success rate in adult hypospadias repair.

Patients And Methods: This was a retrospective study of patients aged ≥17 years who underwent hypospadias repair during 2006-2014. We analyzed two groups, one with primary repair and the other that had secondary repair after failed childhood hypospadias surgery.

The Risks of Renal Angiomyolipoma: Reviewing the Evidence.

Renal angiomyolipoma (RAML), though a rare benign tumor, may impose a significant morbidity or even mortality due to its unique characteristics and the complications subsequent to its treatment. The classic tumor variant is composed of smooth muscular, vascular, and fatty components. The most straightforward diagnosis is when the fat component is abundant and gives a characteristic appearance on different imaging studies.

Serum testosterone levels and other determinants of sperm retrieval in microdissection testicular sperm extraction.

Background: Microdissection testicular sperm extraction (microTESE) has become the standard of care for sperm retrieval in non-obstructive azoospermia (NOA) patients. Understanding the significant determinants of microTESE outcomes may result in improvements in sperm retrieval rates and provide better-informed clinical decisions.

Methods: This is a clinical retrospective study conducted through chart review of 421 NOA patients who underwent microTESE between August 2009 and July 2015 in a tertiary-care referral hospital.

Long-term outcome of genital reconstruction of Middle Eastern women with congenital adrenal hyperplasia.

Objectives: There is a paucity of data on the long-term outcome of genital reconstruction of female children with congenital adrenal hyperplasia (CAH) as they become adult women. We report on the surgical outcome general condition and marriage status.

Materials And Methods: We reviewed the medical records of women 20 years or older with CAH who had genital reconstruction.

Penile autotransplantation in rats: An animal model.

Context: Penile allotransplantation might be a viable option for patients who need penile reconstruction.

Aims: A successful autotransplantation rat model is the first step toward proceeding for allotransplantation. We herein evaluate autotransplantation following transaction of the rat penis just distal to the urethral bulb.

Isolated renal hydatid disease in a non-endemic country: a single centre experience.

Objective: Isolated renal hydatid disease (HD) is rare in non-endemic countries. Clinical and radiological suspicion warrants appropriate serological tests, preoperative treatment and intra-operative precautions. We present a tertiary care centre experience of isolated renal HD in a non-endemic country.

Changing trends in presentation, diagnosis and management of renal angiomyolipoma: comparison of sporadic and tuberous sclerosis complex-associated forms.

Objectives: To evaluate the changing management of sporadic renal angiomyolipoma and renal angiomyolipoma associated with the tuberous sclerosis complex (TSC) during the past 16 years.

Methods: We retrospectively reviewed the charts of 60 patients with angiomyolipoma seen at our institutions.

Results: The median age at presentation was 45 years (range 7-78).

Familial pheochromocytoma.

Objectives: To identify disease characteristics, operative outcome, and prognosis in patients with familial pheochromocytoma.

Methods: Records of 29 patients with familial pheochromocytoma were retrospectively analyzed. Patients' age, gender, presenting symptoms and clinical signs, chemical and radiologic findings, and associated conditions were recorded.

Pheochromocytoma in children and adolescents: a clinical spectrum.

Purpose: The purpose of the study was to identify the spectrum of disease characteristics of pheochromocytoma in children.

Methods: Records of 21 consecutive children diagnosed with pheochromocytoma were reviewed. Patients' age, sex, presentation, associated conditions, diagnostic and imaging modalities used, preoperative preparation, operative details, outcome, and follow-up were recorded.

Robotic augmentation enterocystoplasty.

Augmentation enterocystoplasty is an established procedure performed to increase bladder capacity and reduce intravesical pressure in patients with neurogenic bladder. Although the open surgical procedure remains the most widely accepted technique, laparoscopic enterocystoplasty has been described. As an extension of the minimally invasive approach, we describe a technique for robotic augmentation enterocystoplasty with a completely intracorporeal method.

The clinical spectrum of phaeochromocytoma: analysis of 115 patients.

Objective: To analyse the presentation, manifestations and outcome in consecutive patients with phaeochromocytoma, as this disease has a wide range of pathological and clinical expressions.

Patients And Methods: The records of 115 patients with phaeochromocytoma were analysed retrospectively, recording the patients' age, sex, presenting symptoms and clinical signs, chemical, radiological and pathological findings and associated conditions.

Results: Of the 115 patients, 90 had adrenal tumours, 18 extra-adrenal and seven combined adrenal and extra-adrenal tumours.

Crural tunica albuginea autograft for corporoplasty: an experimental animal study of hemodynamic, histopathological, and molecular effects in the long term.

Introduction: Correction of penile deformity caused by Peyronie's disease by a variety of grafts varies in success. A long-term follow-up shows a significant number of graft scarring and erectile dysfunction. The clinical success of autologous crural tunica albuginea graft (TAG) has not resulted in wide application.

Outcome of penile cancer in circumcised men.

Purpose: We previously reported on a group of patients with post-circumcision carcinoma of the penis. We now study the long-term outcome of these patients.

Materials And Methods: We retrospectively reviewed the available charts of 22 patients presenting between October 1979 and May 2000.