Tariq Abbas

• MBBS, IMRCSI, CABGPS, FEAPS, FEAPU(Int.) PhD (Cand.)
• Pediatric Urologist at Sidra Medicine

To prospectively ascertain Qatar's national Neonatal Mortality Rate (NMR), Early Neonatal Mortality Rate (ENMR), and Late Neonatal Mortality Rate (LNMR) during 2011, compare it with recent data from high-income countries, and analyze trends in Qatar's NMR's between 1975 and 2011 using historic data. A National prospective cohort-study. National dat...

To ascertain the national neonatal mortality rate in Qatar during the first quarter of 2011 (1 January-31 March), we carried out a prospective pilot national epidemiologic study. Nationwide birth and neonatal mortality data were collected using predesigned, structured questionnaires. To analyse trends over the previous 4 years (2008-2011) we used n...

The management of severe penoscrotal hypospadias with penile curvature is challenging. Various correction methods for severe hypospadias have been described. With severe penile curvature, staged procedures have historically been recommended. However, when an adult patient presents with severe untreated hypospadias, a single-stage correction is ofte...

Posterior Urethral Valves (PUV) are rare congenital anomalies of the male urinary tract that can lead to urethral obstruction and increased risk of kidney disease. Traditional diagnosis relies on subjective interpretation of imaging techniques. This study aimed to automate and increase accuracy of PUV detection in voiding cystourethrography (VCUG)...

The restoration of hypospadias remains challenging. Despite all advancements in technology, a significant proportion of cases develop complications (Cimador et al. Nat Rev Urol 10:657–666, 2013). Oral mucosa is harvested from various donor sites, including the inner cheek, lower lip, and, on occasion, the lower surface of the tongue. We have been u...

Buccal mucosa is an excellent option for urethroplasty for urethral stricture repair due to its harvestability, pliability, and low donor site morbidity. We discuss here harvesting the buccal mucosa and elaborate on preoperative patient evaluation, postoperative course, and complications.

The management of severe penoscrotal hypospadias with penile curvature is challenging and demands professional rectification. Various correction methods for severe hypospadias have been described. With severe penile curvature, stage procedures are recommended in children. However, when an adult presents with severe untreated hypospadias, a single-s...

Severe ventral penile curvature continues to be challenging to treat. The objective of this chapter is to demonstrate ventral transverse incisions of the external shell of tunica albuginea repair. In cases of proximal hypospadias in which the spongiosa bifurcation is below the pubic bone or the penile curvature is greater than 45 degrees, a staged...

During hypospadias surgery, increased technical complexity and sometimes inadequately adapted instruments have contributed to a rise in the incidence of complications and the distress of surgeon fatigue. Ergonomic integration and the proper instruments and operating asset environment for hypospadias surgery are essential for enhancing the efficienc...

It is recognized that multiple perioperative variables and anatomical components of the hypospadiac penis affect surgical prognosis. These characteristics are significant predictor variables that can aid in risk stratification and clinical decision-making. At the same time, the assessment of penile curvature is a crucial stage in the evaluation and...

Proximal hypospadias remains difficult to treat. This chapter’s purpose is to illustrate staged preputial graft (SPG) repair. In cases of proximal hypospadias in which the spongiosa bifurcation is below the pubic bone or the penile curvature is greater than 45 degrees, an SPG may be utilized.

Tongue mucosa, which is comparable to oral mucosa, is a safe and effective graft material for urethral repair, with little potential risks associated with the donor area. Procedures for harvesting lingual mucosa and fixing the donor site are discussed. This chapter explores more into the evaluation of patients before surgery, their recovery, and an...

Neourethra dartos flap coverage is frequently employed as a protective layer for improved postoperative problems, particularly fistula development. Although several forms of dartos flaps have been developed, only the dorsal and ventral dartos flaps (VDF) have gained widespread recognition for use in distal and midshaft hypospadias correction. Conce...

Hypospadias presents with a wide range of patient phenotypes and severity levels, resulting in the development of several hundred different procedures for corrective surgery. Over the past 20 years, advances in optical magnification, finer suture materials, and new methods for inducing artificial erection have led both surgeons and patients to expe...

Typically, a two-stage urethroplasty is used to treat complex penile strictures, such as post-hypospadias repair. The initial placement of a buccal mucosal graft (BMG) may result in a substantial contraction rate, necessitating revision surgery. We describe our experience and approach to the care of penile strictures associated with hypospadias.

Penoscrotal transposition (PST) is a rare congenital abnormality. There are various kinds of PST, ranging from an overriding scrotum to a bifid scrotum, and the surgical options are challenging. We describe here an effective surgical procedure for correcting penoscrotal transposition.

The incidence of post-hypospadias urethrocutanoeus fistula varies between 4% and 10% (Kulkarni, Res RepUrol 10:117–126, 2018). The location of fistula varies and is variable and the most usual location is at the corona level. There are numerous surgical treatment options for fistula. We present our algorithm for urethrocutaneous fistula management.

Artificial intelligence (AI) is providing novel answers to long-standing clinical problems, and it is quickly changing pediatric urology. This thorough analysis focuses on current developments in AI technologies that improve pediatric urology diagnosis, treatment planning, and surgery results. Deep learning algorithms help detect problems with prev...

Artificial intelligence (AI) is transforming many healthcare fields including pediatric urology. This in-depth review explores recent advances in AI tools for pediatric urology, emphasizing how state-of-the-art technologies can be used to enhance patient treatment. An initial overview of pediatric urology is given to provide context for this interd...

Background and motivations: Antenatal or prenatal hydronephrosis (AHN) is a common kidney complication in unborn children. While AHN is generally benign and resolves over time, this condition can inflict serious kidney damage or even organ failure due to excessive waste accumulation in severe cases. Regardless of severity, AHN must be clinically mo...

Introduction: HER-2/neu is a protein present on the surface of specific cancer cells and has been linked to the development and progression of certain cancer types. It is present in 15 to 20% of breast cancers and is clinically significant due to the availability of multiple anti-Her2 treatment options. Immunohistochemistry (IHC) is the most common...

Regeneration of damaged urethral tissue remains a major challenge in the field of lower urinary tract reconstruction. To address this issue, various synthetic and natural biodegradable biomaterials are currently being explored for the fabrication of scaffolds that promote urethral regeneration and healing. In this study, we present an approach to f...

Hypospadias is a complex multifactorial disorder that is impacted by both environmental and genetic variables, with varying degrees of severity and significant long-term functional effects if not treated properly. Typically, surgical guidelines founded on essential anatomical features aid in the decision-making process for urethroplasty. In the yea...

Simple Summary Diagnosis is the most important step in treating and managing kidney cancer, requiring accurate identification, localization, and classification of tumor regions. The selection of appropriate surgical procedures for malignant cases is further based on tumor volume and relative severity. In recent years, machine-learning-based approac...

Objective: Develop a reliable, automated deep learning-based method for accurate measurement of penile curvature (PC) using 2-dimensional images. Materials and methods: A set of nine 3D-printed models was used to generate a batch of 913 images of penile curvature (PC) with varying configurations (curvature range 18° to 86°). The penile region wa...

With the onset of the COVID-19 pandemic, the number of critically sick patients in intensive care units (ICUs) has increased worldwide, putting a burden on ICUs. Early prediction of ICU requirement is crucial for efficient resource management and distribution. Early-prediction scoring systems for critically ill patients using mathematical models ar...

Introduction Treatment of neuropathic bladder secondary to spina bifida is an ongoing challenge. Although different management strategies and protocols are available in the literature, reliance on expert opinion remains fundamental. A conservative approach can be utilized, but patients must be closely monitored throughout the management process. Th...

Introduction: Identifying key anatomical features of the hypospadiac penis is crucial to better understanding this pathology and guiding surgical reconstruction plans, thereby achieving superior functional and cosmetic outcomes. Objective: To Assess the feasibility and precision of penile ultrasonography (PUG) in determining key structural featu...

Background The management of poorly functioning kidneys (PFK) associated with ureteropelvic junction obstruction (UPJO) is controversial. There is contradictory information about how to best manage these cases: pyeloplasty or nephrectomy? Objective To systematically summarize the available evidence concerning the effects of pyeloplasty on the diff...

The tubularized incised urethroplasty (TIP) was quickly adopted by many surgeons worldwide to repair distal hypospadias. Some have questioned this healing process, based on observations that tubularization of narrow urethral plates results in higher incidence of urethrocutaneous fistulas and stenosis. Placement of inner preputial or oral mucosa gra...

Objective Current approaches to classifying hypospadias severity are based on meatus position. These classification tools lack precise reflection on the degree of urethral hypoplasia and extent of urethral underdevelopment hence are not good representative of hypospadias severity. Here, an alternative classification system is introduced that object...

Purpose: Compartment Syndrome (CS) has been recognized as a potential factor that worsens testicular viability after detorsion, especially in borderline cases of prolonged ischemia. Fasciotomy of the testicular tunica albuginea to relieve the pressure associated with CS has been proposed to accommodate edema after detorsion, embracing the raw fasc...

Problem—Since the outbreak of the COVID-19 pandemic, mass testing has become essential to reduce the spread of the virus. Several recent studies suggest that a significant number of COVID-19 patients display no physical symptoms whatsoever. Therefore, it is unlikely that these patients will undergo COVID-19 testing, which increases their chances of...

This article outlines the embryology, natural history and management of different conditions of the foreskin and penis in children. Although the classification of hypospadias is included, the management of this condition is not. Epispadias is not covered at all.

Objectives: There is an unmet need for preoperative methods that surgeons can use to objectively quantify hypospadias anatomic variables and determine risk of penile curvature. We, therefore, assessed whether Plate Objective Scoring Tool measurements were correlated with degree of ventral curvature in affected children. Methods: Patients undergo...

Diabetes mellitus (DM) can lead to plantar ulcers, amputation and death. Plantar foot thermogram images acquired using an infrared camera have been shown to detect changes in temperature distribution associated with a higher risk of foot ulceration. Machine learning approaches applied to such infrared images may have utility in the early diagnosis...

The reverse transcription-polymerase chain reaction (RT-PCR) test is considered the current gold standard for the detection of coronavirus disease (COVID-19), although it suffers from some shortcomings, namely comparatively longer turnaround time, higher false-negative rates around 20–25%, and higher cost equipment. Therefore, finding an efficient,...

Objective the primary correction of male epispadias consists of multiple surgical steps: isolation of the complex corpora-urethral plate, bladder neck plasty if incontinence is associated, tubularization of the urethral plate, correction of dorsal curvature, and skin coverage of the penile shaft. The present video demonstrates our center experience...

Background/purpose: Penile curvature (PC) is a significant phenotypic anomaly associated with hypospadias that can affect hypospadias repair post-operative outcomes and impact on long-term quality of life as well as psychosexual wellbeing of affected patients. While several previous studies have attempted to define PC assessment criteria, there is...

Hypospadias is a common birth defect of the male external genitalia. However, there are conflicting arguments about the optimal classification approach and ideal surgical technique. We have introduced the Plate Objective Scoring Tool (POST) to define critical glanular phenotypic landmarks of the urethral plate. We propose that POST can objectively,...

Simple Summary We have conducted a systematic review to investigate the quality of reporting in preclinical experiments exploring tissue engineering approaches for urethral repair. This was performed based on the Animal Research: Reporting of In Vivo Experiments (ARRIVE) guidelines in a total of 28 articles from 2014 to 2020. Inadequate reporting o...

Background: There is a steadily growing number of different reconstructive surgical procedures for hypospadias that were tested on animal models prior to their human application. However, the clinical translatability and reproducibility of the results encountered in preclinical urethral reconstruction experiments is considered poor, with significan...

Background:. Anogenital distance (AGD) in both humans and animals is a known reflection of fetal endocrine effect on genital virilization and the related abnormalities, including cryptorchidism and hypospadias. However, we introduce here and investigate scrotal base distance (SBD) as a sensitive genital anthropometric biomarker in human infants wit...

Purpose: To review existing literature about fertility and sexuality of boys born with complex congenital genitourinary anomalies. Methods: A Pubmed review was performed in December 2018 to identify the most relevant original manuscripts regarding male complex congenital conditions affecting the urogenital system in male patients including spina...

Electronic dependence and utilization have been emerging as one of the driving forces towards departmental growth and development in this new era of globalization and modernization in Punjab police. The Front Desk (FD) project has a sign of change in Punjab police. It was changing the face of the police from the very first day it was started, but w...

Background The variability of the urethral plate (UP) characteristics is one of the factors that influence technical choices for hypospadias correction. However, it is difficult to objectively evaluate the UP, leading to controversies in this subject, and vague terms utilized in the literature to describe its characteristics. Objective We aim to a...

Cystourethroscopy in children can be conducted in a significant variety of patient sizes, ranging from newborns to adolescents. In order to have adequate visualization of both the urethra and the bladder, suitable positioning needs to be achieved. We describe a method for positioning the legs of infants for cystoscopy using skin-friendly tape. The...

Structured Summary Background Estimation of the quality of the urethral plate (UP) seems to be important when assessing postoperative outcomes of hypospadias repair, but its evaluation remains subjective. We developed an objective model aiming to standardize this assessment, proposing a methodology that could be adopted in future studies designed...

PURPOSE Lower lip and cheek are commonly used sources of buccal mucosa grafts for urethroplasty. In recent years, aiming to improve the donor site morbidity, our preference changed to the use (ULG). The aim of this video is to illustrate the technical details of the ULG harvesting for children. MATERIAL AND METHODS The inner surface of the upper l...

We present here a case of a patient post tabularized incised plate urethroplasty for distal hypospadias without chordee who developed urethral stenosis and acquired curvature along the territory of the incised plate necessitating a redo surgery. The histological analysis of the incised urethral plate revealed absence of smooth muscles, vessels and...

I had developed a Multifunction Hypospadias Catheter (MHC)—a state-of-the-art device that facilitates one-way urine flow from the bladder to a collection bag following surgery for hypospadias—a common malformation of the penis affecting approximately one in 200 male babies. The catheter can be inserted through a patient’s urethra and removed by def...

Optimization of peri-operative pyelplasty drainage

I had developed the double-lumen, valve-controlled intraoperative pyeloplasty stent (VIPS)—a catheter that can be percutaneously inserted and positioned within a patient during surgery and can be removed without the need for a cytoscopic procedure. The device can be sized to fit the patient and addresses many primary risk areas surrounding the use...

Easing pyeloplasty

Background Pyeloplasty is a common surgical operation with a high success rate. However, significant challenges are to be optimized in the design of stenting systems in order to improve perioperative monitoring of urine drainage and enhance patient and family comfort through easier post-operative care. Materials and Methods In a preliminary study...

In order to reconstruct injured urinary tract tissues, biodegradable scaffolds with autologous seeded cells are explored in this work. However, when cells are obtained via biopsy from individuals who have damaged organs due to infection, congenital disorders, or cancer, this can result in unhealthy engineered cells and donor site morbidity. Thus, n...

Background: In hypospadias, the aim of surgical treatment is to achieve both desirable functional and cosmetic outcomes; however, complications following surgery are common and 18% of boys require re-operation. In mild degrees of hypospadias, repair may be offered entirely to improve cosmesis, meaning parents should be fully informed of this and t...

The need of improve quality of reporting tissue engineering for hypospadias repair animal experiments

Several congenital and acquired conditions may result in severe narrowing of the urethra in men, which represent an ongoing surgical challenge and a significant burden on both health and quality of life. In the field of urethral reconstruction, tissue engineering has emerged as a promising alternative to overcome some of the limitations associated...

Congenital mid ureteric valve (MUV) stenosis is a very rare entity. Definitive preoperative diagnosis is clinically challenging, and most patients are misdiagnosed preoperatively. Intraoperative identification is therefore very important. Curative treatment consists of excision of the involved ureteric segment and anastomosis. This report describes...

This article outlines the embryology, natural history and management of different conditions of the foreskin and penis in children. Although the classification of hypospadias is included, the management of this condition is not. Epispadias is not covered at all.

Purpose Testicular torsion (TT) represents a clinical challenge that needs emergency surgical assessment. It is common to have negative scrotal exploration due to confounding symptoms and signs which makes it sometimes difficult to differentiate from similar surgical emergencies that do not warrant surgery. At the same time, several occasions of mi...

Perinatal testicular torsion is a relatively rare event that remains unidentified in many situations and managed only after an avoidable delay of time. Its current management approaches include watchful observation, delayed contralateral orchiopexy, and emergent contralateral orchiopexy. On the other hand, bilateral torsion is now being more freque...

Purpose: The aim of this study is to explore the normal external urethral meatal and glans closure line in normal boys, and to investigate the correlation between these glans biometrics and the age of the participants. Material and method: 103 male children were asked to participate in the study during ritual circumcision. Par-ents of 94 of them...

Hypospadias, characterized by misplacement of the urinary meatus in the lower side of the penis, is a frequent birth defect in male children. Because of the huge variation in the anatomic presentation of hypospadias, no single urethroplasty procedure is suitable for all situations. Hence, many surgical techniques have emerged to address the shortag...

blood glucose levels or nutritional deficiencies that are poorly defined. The association of growth retardation and hypospadias is well established. Fetal testosterone secretion is under the influence of placental human chorionic gonadotropin during first 14 weeks of gestation. We hypothesized that placental insufficiency may disrupt the supply of...

ABSTRACT bidity. Hypospadias a relatively common male genital anomaly may be caused by different maternal demographic or anthropometric characteristics that are poorly defined. On the other hand there is debate about temporal trends in hypospadias prevalence. The aim of this study was to determine prevalence and impact of these risk factors of hypo...

Aim Hypospadias a relatively common male genital anomaly may be caused by different maternal hormone levels, blood glucose levels or nutritional deficiencies that are poorly defined. The association of growth retardation and hypospadias is well established. Fetal testosterone secretion is under the influence of placental human chorionic gonadotropi...

Aim Birth defects are the leading cause of infant mortality and are responsible for substantial child and adult morbidity. Hypospadias a relatively common male genital anomaly may be caused by different maternal demographic or anthropometric characteristics that are poorly defined. On the other hand there is debate about temporal trends in hypospad...

Background: Accurate estimates of the baseline incidence of childhood intussusception could help safety monitoring after introduction of rotavirus vaccines. Therefore, we studied the incidence of intussusception in the state of Qatar. Methods: We retrospectively reviewed cases of intussuscep-tion in children younger than 14 years. Children were tre...

Background: Foreign body (FB) ingestion by children is a common problem worldwide. Management may include endoscopic removal. This paper describes the clinical findings, sites and types of FBs, and outcomes in children who underwent endoscopic management of ingested FBs at our institution. The published lit-erature regarding the management of FB in...

Intra-abdominal disease can present as an extra-abdominal abscess and can follow several routes, including the greater sciatic foramen, obturator foramen, femoral canal, pelvic outlet, and inguinal canal. Nerves and vessels can also serve as a route out of the abdomen. The psoas muscle extends from the twelfth thoracic and fifth lower lumbar verteb...

Aim: To delineate the factors associated with opera-tive reduction of intussusception, in contrast to enema reduction only without surgical intervention, in chil-dren aged less than 14 years. Methods: We retrospec-tively reviewed the records of all children aged <14 years who experienced intussusception between 2002 and 2012 and were treated at a s...

Retrocaval ureter is a relatively rare anomaly that usually manifests in the third or the fourth decade of life. Its symptoms are because of ureteric obstruction, caused extrinsically by an abnormal inferior vena cava, intrinsically by ureteric hypoplasia, or both. Surgery is needed for symptomatic patients and involves transection and relocation o...

Background: Omental cysts are the least common variety of intraabdominal cystic lesions encountered in children. They are often identified incidentally, although they may also cause acute abdominal pain. Case Report: We describe here two girls with omen-tal cysts with very unusual clinical presentations. Conclusion: The majority of omental cysts ar...

Retrocaval ureter is a relatively rare anomaly that usually manifests in the third or the fourth decade of life. Its symptoms are because of ureteric obstruction, caused extrinsically by an abnormal inferior vena cava, intrinsically by ureteric hypoplasia, or both. Surgery is needed for symptomatic patients and involves transection and relocation o...

Abstract To ascertain the national neonatal mortality rate in Qatar during the first quarter of 2011 [‎1 January-31 March]‎, we carried out a prospective pilot national epidemiologic study. Nationwide birth and neonatal mortality data were collected using predesigned, structured questionnaires. To analyse trends over the previous 4 years [‎2008-201...

Aims: Although laparoscopy is rapidly becoming the procedure of choice in adults, there are obstacles to its use in children. We analyzed our institution's experiences with laparoscopic procedures performed in children over the last 5 years, with particular emphasis on emergency procedures. Methods: We retrospectively evaluated the records of patie...