Yassine Ouanes

University of Tunis El Manar | FST · Urology Department, La Rabta University Hospital, Tunisia, Tunis

Background Pancreatic pseudocyst are fluid filled sacs that develop as a result of dissection of pancreatic enzyme tissue. While most commonly found near the pancreas, they can also rarely occur in other areas such as the perirenal region. Case presentation This study reports a new case of an infected perirenal pancreatic pseudocyst mimicking a le...

Introduction The management of post-traumatic rupture of the posterior urethra remains controversial, leaving the choice between early endoscopic realignment (EER) or suprapubic catheterization with deferred urethroplasty. The objective is to compare the results of endoscopic realignment and those of urethroplasty in terms of voiding. Patients and...

Background: Pheochromocytoma in association with pregnancy is a very rare, without specific symptoms. Concurrent pheochromocytoma in pregnant women can lead to severe complications and death due to associated catecholamine excess. Case presentation: A 37-year-old pregnant woman, without medical or surgical history, gravida 1 para 0, was diagnose...

Non-urothelial bladder cancers are rare. We report the case of a 72-year-old who consulted for terminal hematuria evolving for three months. Computed Tomography scan showed a tumor of the anterior wall of the bladder. The patient underwent a transurethral resection of the bladder tumor. The histological examination of the tumor showed a bladder col...

Emphysematous prostatitis is characterized by their rarity and its severity. It often occurs in older diabetics. This study reports a new case of an isolated emphysematous prostatitis in a 66-year-old patient which presented with mental confusion and severe sepsis. Computed tomography revealed intra parenchymal air bubbles of the prostate which evo...

Background A pyosalpinx is the acute inflammation of the fallopian tube, which fills up and swells with pus. It commonly results from inadequate or delayed treatment of pelvic inflammatory disease. Case presentation We report the case of a 54-year-old Africain female patient, who presented with sustained high-grade fever, right flank pain, and sev...

Urinary tract endometriosis (UTE) is a very rare but serious form of infiltrating endometriosis because of the risk of urinary tract obstruction and loss of renal function. We report the case of A 42-year-old female patient admitted for intense right back pain with lower urinary tract disorders. An abdomino-pelvic ultrasound was done showing right...

Sarcomas are uncommon and extremely aggressive malignancies. Sarcomas of the bladder are exceedingly rare. We report the case of 67-year-old female patient having had 20 years ago a total hysterectomy with bilateral adnexectomy followed by adjuvant external radiotherapy to an undifferentiated uterine sarcoma, was presented with hematuria. An abdomi...

Considering the proximity of the lower urinary tract to gynecologic organs, several iatrogenic injuries of the bladder or ureters can occur.We report the case of 25 year old woman who suffered from bilateral ureteral injury causing renal failure following a laparoscopic detorsion of the left ovarian cyst.Double J stents were placed for 2 months wit...

Having a kidney disease is a major risk factor of renal injury during blunt traumas. We present a case of abdominal blunt trauma due to motor-vehicle accident in a 48 year old male patient. Abdominal computed tomography scan showed a high-volume retroperitoneal hematoma with rupture in the isthmus of the horseshoe kidney with active contrast-enhanc...

Background Fournier’s gangrene is a rare, fulminant, and usually localized necrotizing soft tissue polymicrobial infection of the perineum, with occasional extension up to the abdominal wall. Case presentation We describe an unusual case of penile gangrene in a 64-year-old Tunisian man suffering from urinary incontinence secondary to cerebrovascul...

Introduction Post-traumatic rupture of the posterior urethra is a serious injury that can compromise the micturition and erectile prognosis of the often-young patient. The management of this lesion is still controversial, leaving the choice between early endoscopic realignment or suprapubic catheterization with deferred urethroplasty. The objective...

Hydatid cyst is a major health problem in developing countries. The kidney is in third position of organs affected by hydatid cyst. One of the complications of renal hydatid cyst is a urinary fistula. The purpose of this study is to identify preoperative predictive factors of urinary fistula in renal hydatid cyst and to develop a scoring system for...

Objectifs La rupture post-traumatique de l’urètre postérieur est une lésion grave qui peut compromettre le pronostic mictionnel du patient souvent jeune. La prise en charge de cette lésion reste encore controversée laissant libre choix entre réalignement endoscopique précoce ou pose d’un cathéter sus-pubien avec urétroplastie différée. L’objectif e...

Objectifs Les critères de PENTAFACTA ont été proposés pour évaluer objectivement les résultats de la cystectomie radicale ouverte chez les patients atteints de cancer de la vessie. L’objectif de notre étude était d’évaluer la capacité discriminante des critères de PENTAFACTA à prédire la survie spécifique des patients ayant eu une la cystectomie ra...

Objectifs La dysfonction cognitive est la complication la plus redoutée de la période postopératoire chez le sujet âgé. Elle survient après la première semaine postopératoire. L’objectif de notre étude était d’identifier les facteurs prédictifs de la survenue de dysfonction cognitive postopératoire chez le sujet âgé proposé pour résection endoscopi...

Introduction Radical retropubic prostatectomy is one of the standard treatments for localized prostate cancer. Evaluating the severity of postoperative urinary incontinence is primordial to guiding the treatment choice, and it still lacks standardization, hence the value of assessing the quality of life. Methods We conducted a retrospective study b...

Objective Prostate cancer is one of the most common cancers worldwide. Its histological diagnosis is based on prostate biopsy. The transrectal procedure is one of the most common procedures performed by urologists. Although it is considered safe, post-biopsy infectious complications are frequently observed in practice. The aim of this study is to i...

The double-J ureteral stent is a standard procedure in daily urological practice. Although considered as safe, this approach is fraught with several complications. These complications are of limited severity and resolve with symptomatic treatment. In some cases, serious and life-threatening complications, such as infection and subcapsular hematoma,...

Introduction: Iatrogenic ureteral lesions represent one of the serious complications that can follow obstetric and gynecological surgery. This condition has a fatal consequence on renal function if it's not promptly diagnosed and managed. Objective: The aim of our study was to report our experience in the management of this pathology. Materials...

Introduction Among identified causes of male infertility, varicocele holds an important place and is significantly associated with sperm quality deterioration. Surgical management of this condition leads to an improvement in the sperm count and an increase in the spontaneous pregnancy rate. Objective The goal of this study was to compare different...

Introduction Emphysematous pyelonephritis (EPN) is a severe form of life-threatening renal infection. Conservative treatment represents the gold standard in the management of EPN, but nephrectomy remains appropriate in certain situations. Objective The aim of our study was to report our experience in the conservative management of emphysematous py...

Introduction and importance: Zinner syndrome is a rare congenital malformation of the seminal vesicles and the homolateral upper urinary tract. While the majority of patients remain asymptomatic and are discovered incidentally, others present symptoms such as micturition or ejaculatory difficulties, or pain. We report a case of Zinner syndrome in a...

Rhabdomyosarcomas (RMS) are mesenchymal tumors that develop at the expense of striated muscle fibers. It accounts for 6% of childhood malignancies. Rhabdomyosarcomas of the genitourinary tract also occur in children but are distinctly uncommon in adults. We report a case of bladder rhabdomyosarcoma in a 72-year-old patient who presented with gross...

Introduction and importance: Infertility affects approximately 10–15% of couples worldwide. Several causes are incriminated such as hormonal abnormalities, infections, genetic disorders, testicular cancer, varicocele, and others. Herein, we report a case of an unusual association between testicular tuberculosis and microdeletion of the Y chromosome...

Myelolipoma is a rare, benign, non-secreting tumor and its pathophysiology is of metaplasia of the cells of the adrenal cortex into reticuloendothelial cells. Although they are often small and asymptomatic, some cases of giant adrenal myelolipoma cause symptoms such as chronic pain. Few cases of adrenal myelolipoma have been reported in the literat...

Bladder lymphoepithelioma-like carcinoma is a rare entity. It represents a particular variant of urothelial carcinoma characterized by an important infiltrating power. Therapeutic management of this cancer is not codified. Surgery associated with chemotherapy seems to be the best therapeutic option. Few cases of this tumor have been reported in the...

The occurrence of urothelial carcinoma and tuberculosis in the same kidney is exceptional. To our knowledge, a few cases have been reported in the literature. Herein, we report a case of an unusual association between renal tuberculosis and urothelial carcinoma of the upper urinary tract in a 61-year-old patient and discuss the diagnosis and treatm...

Résumé Introduction La signification pronostique du rapport neutrophiles-lymphocytes (RNL) dans le carcinome rénal non métastatique est controversée, bien qu’il ait été établi comme facteur pronostique dans plusieurs cancers. L’objectif de notre étude était d’évaluer la signification pronostique du rapport neutrophiles-lymphocytes préopératoire ch...

Carcinosarcoma is a distinct neoplasm consisting of bidirectional differentiation toward epithelial and mesenchymal cells. Bladder localization is rare and the association with a rahbdomyoblastic component is exceptional. Few cases of bladder carcinosarcoma with rhabdomyoblastic differentiation have been reported in the literature. We present a cas...

Introduction Ischemic Priapism is defined as an abnormally prolonged state of erection, exceeding six hours, often and irreducible, occurring without any sexual stimulation. Ischemic priapism has a fatal consequence on the sexual function of men if it's not promptly managed. This pathology can cause erectile dysfunction and this can alter the quali...

Urinary squamous cell carcinoma is a rare variety of urothelial tumors. We report a case of squamous cell carcinoma with dual location in the bladder and renal pelvis resulting in a fatal outcome in a patient suffering from a history of tobacco intoxication and recurrent upper urinary tract infections due to kidney stones. The CT scan showed a blad...

We present a rare case of a hydatid cyst involving the seminal vesicle of a 39-year-old man. Left lumbar pain was the initial symptom. CT-scan and MRI revealed a retro vesical cystic mass arising from the seminal vesicle. Surgical excision of the lesion was carried leaving the seminal vesicle preserved. Histopathological report was hydatid cyst of...

Objectifs La néphrolithotomie percutanée est une technique qui a fait ses preuves dans le traitement des lithiases urinaires. Toutes les sociétés savantes la recommandent dans le traitement des calculs du rein de plus que 2 cm, coralliformes ou complexes. Cette technique n’est pas dénuée de risque de complications notamment infectieuses. Le but de...

Objectifs La signification pronostique du rapport neutrophiles-lymphocytes dans le cancer de la voie excrétrice supérieure non métastatique est controversée, bien qu’il ait été établi comme facteur pronostique dans plusieurs cancers. L’objectif de notre étude était d’évaluer la signification pronostique du rapport neutrophiles-lymphocytes préopérat...

Adenocarcinoma of prostate is the most common primary prostatic malignancy in the world. Isolated prostate tuberculosis is an uncommon type of tuberculosis. Concomitant occurrence of both conditions is extremely rare. We report two cases of adenocarcinoma and tuberculosis of the prostate. The patients were 83 and 74 years old, respectively. They pr...

Introduction & Objectives: To identify predictive factors and assess the impact on oncological outcomes of intravesical recurrence after radical nephroureterectomy (RNU) in upper tract urothelial carcinoma (UTUC). Materials & Methods: Patients who underwent RNU for UTUC between 2005 and 2019 at our institution were included in the present retrosp...

Introduction La néphrolithotomie percutanée (NLPC) est une technique qui a fait ses preuves dans le traitement de la lithiase urinaire. En effet, toutes les sociétés savantes la recommandent dans le traitement des calculs du rein de plus que 2 cm, coralliformes ou complexes. Bien qu’elle soit une technique mini-invasive, elle n’est pas dénuée de ri...

Introduction La tuberculose reste un enjeu de santé publique prioritaire pour l’Organisation mondiale de la santé (OMS). L’atteinte prostatique reste encore peu fréquente, est généralement diagnostiquée en histopathologie lors d’une résection endoscopique trans-urétrale. L’objectif de notre étude était de préciser les particularités cliniques, radi...

Résumé Introduction La gangrène de Fournier est une fasciite nécrosante rapidement progressive du périnée et des organes génitaux externes avec un pronostic évolutif péjoratif. C’est une urgence médico-chirurgicale justifiant une prise en charge multidisciplinaire. Le but de ce travail était de déterminer les caractéristiques épidémiologiques, cli...

Résumé Introduction Parmi les causes identifiées d’infertilité masculine, la varicocèle occupe une place importante et est significativement associée à l’altération de la qualité du sperme. L’apport du traitement chirurgical de la varicocèle infraclinique est encore débattu de nos jours. Le but de notre travail était de comparer la varicocélectomi...

Human hydatid disease is still endemic in pastoral and rangeland areas, with temperate climate, mainly in the southern shore of the Mediterranean, particularly in the Maghreb countries. Renal localization is rare although it is the most frequent site of the urinary tract. Its clinical evolution remains silent for long time, and the diagnosis is oft...

Introduction Penile fracture is a urologic emergency and is defined as the rupture of the tunica albuginea of the cavernous body in erection. Aim Our study aims to evaluate patients with penile fracture and to identify the factors that may influence the sexual function after surgical repair. Methods A total of 138 patients who were diagnosed with...

Acute renal infarction is a rare condition that should be considered in the diagnosis of nephretic colic, idiopathic renal infarction is extremely rare with only few cases in literatures. We report a case of a 43-years old patient who consulted for flank pain. The diagnosis of idiopathic renal infraction was confirmed by CT scan and arteriography....

Xanthogranulomatous pyelonephritis may, rarely, occur as a renal cystic mass. We report a case report of a 50-year-old with a history of medically treated renal lithiasis, who consults for left low back pain. Imaging findings concluded to a Bosniak type-3 hemorrhagic cystic mass of the left kidney. The diagnosis of xanthogranumolatous pyelonephriti...

Adrenal cysts are usually non-functional and asymptomatic. Cystic pheochromocytomas are a rare clinical entity and difficult to differentiate from simple cysts in the absence of classic clinical symptoms. Few cases of cystic pheochromocytomas have been reported in the literature. We present a case of a huge cystic pheochromocytoma in 70-year-old me...

Hydatid disease is a parasitic infestation that is endemic in many sheep and cattle-raising geographic areas including Mediterranean countries. Primary retro vesical hydatid cyst is a very rare entity. It can be revealed by urinary and gynecological signs. We reported a case of a retro vesical hydatid cyst in a 67-years old woman revealed by an acu...

Bladder metastasis of cutaneous malignant melanoma is an extremely rare condition, with less than 10 cases reported in the last 30 years in the English literature. Bladder localization is most often asymptomatic, explaining the frequency of cases discovered during autopsy in multi-metastatic patients. We report a case of symptomatic malignant melan...

Spontaneous penile abscess is rare. Without effective treatment, penile abscesses could evolve into a chronic form with fatal consequences A subtotal penectomy was performed for a 51-year-old man with no medical history who presented a chronic penile suppuration mimicking tumor. J o u r n a l P r e-p r o o f Introduction:

Introduction Metastatic prostate cancer is a relatively common condition in elderly men. The aim of this paper is to report a rare case of metastatic prostate cancer presenting as a large pelvic mass mimicking lymphoma and to discuss its management. Presentation of Case An 85-year-old patient was complaining of lower urinary tract symptoms, and si...

While bladder rupture is most of the time secondary to external injury such as trauma or iatrogenic events, spontaneous bladder rupture (SBR) is a rare condition which is mostly associated with bladder cancer, neurologic bladder or radiotherapy. We report a case of a 63-year-old patient with an invasive squamous cell bladder carcinoma who presented...

This cohort study aimed to investigate prognostic significance of plasma folate and cobalamin in non-muscle-invasive bladder cancer (NMIBC). A total of 177 NMIBC patients were followed over a period extending to 6 years. Cox regression models were applied to estimate risks for recurrence and progression according to plasma vitamins tertiles. Compar...

Introduction La pyélonéphrite emphysémateuse (PNE) est une urgence urologique grave, dont la prise en charge a évolué au cours des années, d’un traitement chirurgical invasif d’emblée à une attitude plus conservatrice qui repose sur un drainage (endoscopique ou radiologique) des voies excrétrices associé au traitement médical (réanimation et antibi...

Spontaneous penile abscess is rare. Without effective treatment, penile abscesses could evolve into a chronic form with fatal consequences.A subtotal penectomy was performed for a 51-year-old man with no medical history who presented a chronic penile suppuration mimicking tumor.

Background : There are several factors explaining the difference in the spread of SARS-CoV-2 infection including the BCG vaccination. This fact is supported by the concept of beneficial non specific effect of this live vaccine associated to its interaction with the immune system. Our study aims to identify the correlation between the universal BCG...

Objectifs La coexistence de symptômes du bas appareil urinaire (SBAU) en rapport avec une hypertrophie prostatique (HP) et d’une tumeur vésicale non infiltrant le muscle (TVNIM) est fréquente en pratique courante. Le but de notre étude était d’évaluer le résultat oncologique d’une résection endoscopique simultanée d’une TVNIM et d’une HBP par rappo...

Objectifs La fracture de la verge est une urgence urologique qui peut avoir une lourde conséquence sur la fonction sexuelle ultérieure. Le but de notre travail était de déterminer les facteurs pronostiques de la fonction sexuelle postopératoire. Méthodes L’âge moyen était de 31 ans (19–55 ans). Les deux principales circonstances du traumatisme éta...

Objectifs La signification pronostique du rapport neutrophiles— lymphocytes dans le carcinome urothélial non métastatique est controversée, bien qu’il ait été établi comme facteur pronostique dans plusieurs cancers. L’objectif de notre étude était d’évaluer la signification pronostique du rapport neutrophiles—lymphocytes préopératoire chez les pati...