Publications by authors named "Nastaran Mahmoudnejad"

Uterine prolapse in virgin females is extremely rare. In this case study, we present a 65-year-old virgin female patient who experienced voiding difficulties and uterine prolapse. She did not have any preexisting medical conditions, and all laboratory tests came back normal.

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Introduction: To investigate the role of trans-labial ultrasound study in detection of female urethral stenosis (FUS) compared to former cysto-urethroscopy as the currently available definitive diagnostic modality.

Material And Methods: In this cross-sectional study, 60 consecutive patients with bladder outlet obstruction diagnosed by clinical symptoms and urodynamic study, were included from 2019 to 2022. For additional assessment, all these patients underwent gel-Infused trans-labial ultrasound (GITLUS) and cystourethroscopy.

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Cavernous hemangioma is a benign vascular tumor occurring in all parts of the urinary system, including the kidney, bladder, prostate, ureter, and rarely urethra. Urethral cavernous hemangiomas are mostly seen in male patients, and only a few cases of female urethral hemangiomas are reported. Herein, we present the management and follow-up course of 3 cases of female urethral cavernous hemangioma.

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Primary neuroendocrine tumor (NET) of bladder is rare. It has four subtypes, and large cell neuroendocrine carcinoma (LCNEC) is the rarest. LCNEC affects mostly men over 60.

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Background: To evaluate the efficacy of Trans-perineal ultrasonography (TPUS) in assessment of stress urinary incontinence (SUI) and its correlation with urodynamic study (UDS) and physical examination in women with SUI.

Methods: The study enrolled a total of 91 females including 66 women with SUI and 25 women with no history of urinary incontinence as control group. The α and β angles (anterior urethral and posterior urethro-vesical angle respectively) were recorded both at rest and at straining, using TPUS.

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We report a case of isolated renal mucormycosis 2 weeks following transurethral resection of prostate. The patient also mentioned history of admission for COVID-19, two months earlier. Symptoms progressed and patient underwent urgent nephrectomy.

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Article Synopsis
  • This study aimed to evaluate the long-term effects of a modified surgical procedure called autologous fascial pubovaginal sling (AFPVS) for treating stress urinary incontinence in women.
  • The research reviewed records of women operated on between 2004 and 2015, finding an overall success rate of 83.9% after a mean follow-up of about 9 years, with a slight variation based on prior surgery history.
  • The findings suggest that modified AFPVS is effective and safe, with few complications, and its popularity may increase as concerns grow over synthetic mesh surgeries.
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Vaginal Mullerian cysts are usually small and asymptomatic. Occasionally, they are enlarged and mimic other anatomical disorders, such as anterior vaginal wall prolapse, middle compartment defects (enterocele, apical vaginal wall prolapse) or urethral diverticulum.  Herein we report a female case with a huge vaginal wall Mullerian cyst which was initially misdiagnosed as stage 4 cystocele.

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Pyogenic granuloma (PG) is an uncommon lesion of unknown etiology. It may be formed following a minor injury. They result from a reactive or inflammatory process consisting of proliferating vascular channels, immature fibroblastic connective tissue, and scattered inflammatory cells rather than neoplastic process.

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Epidermoid cyst (EPC) of the clitoris is a very rare cause of non-hormonal acquired clitoromegaly. Clitoral EPCs are extremely uncommon without prior history of genital surgery, trauma, circumcision, or piercing. Surgical removal with special care to avoid compromising neurovascular bundle of the clitoris is the preferred treatment.

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Objective: To evaluate long term outcomes of autologous pubovaginal fascial sling (AFPVS) as a salvage procedure following different types of failed anti-incontinence surgeries.

Materials And Methods: We retrospectively reviewed medical records of patients who had undergone salvage AFPVS after any kind of anti-incontinence surgery from 2005-2015 at our medical center. Patients were contacted by telephone.

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Genitourinary hemangiomas are very rare. To our knowledge few cases of female urethral hemangiomas have been reported and presenting cases are the first reports in Iran.They should be considered as differential diagnosis of any female patient with microscopic or gross hematuria or bloody urethral discharge, especially when other parts of urinary system are radiologically intact.

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Background: Open trigonoplasty antireflux operation has been associated with promising results. However, its success in controlling reflux has not been evaluated in the long term.

Methods: All patients who underwent trigonoplasty for vesicoureteral reflux by one surgeon from 2004 to 2014 were included.

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Purpose: To compare erectile function following low flow priapism in patients undergoing distal and proximal shunts.

Materials And Methods: From January 1995 to December 2005, we retrospectively studied 16 patients who presented to our medical center with refractory priapism. Of 16 patients, 5 underwent Winter shunt, while El-Ghorab procedure was performed for 7 patients and the remaining 4 underwent Grayhack shunt.

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A case of a huge primary leiomyoma of the ureter in which only partial ureterectomy was performed is presented. The benign nature of the mass was primarily confirmed with frozen section at the time of surgery and then with immunohistochemistry (IHC). To the best of our knowledge, this case is a unique form of leiomyoma of the ureter due to its large size.

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Introduction: Our aim was to evaluate the natural behavior, growth pattern, morphology, and specific features of human bladder smooth muscle cells (HBSMCs) on two different matrixes, including human amniotic membrane (HAM) and collagen.

Materials And Methods: The HBSMCs were obtained from 6 children with primary vesicoureteral reflux undergoing open antireflux surgery, and they were isolated from the anterior wall of the bladder. The specimens were cultured on a tissue culture plate of bovine dermal collagen serving as control and on decellularized HAM.

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Introduction: We report our experience with a new technique for transperitoneal laparoscopic partial nephrectomy with the kidney turned upside down intraoperatively.

Materials And Methods: Laparoscopic partial nephrectomy was performed in 10 patients with upper pole lesions through a transperitoneal approach. Once complete mobilization of the kidney was achieved, it was rotated 180 degrees around the horizontal axis, so that the upper pole was positioned inferiorly.

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Renal pelvic ectopia has been estimated to occur in 1 of 2100 to 3000 autopsies. Renal cell carcinoma (RCC) is a very rare phenomenon in an ectopic kidney. According to our review of literature, there are only seven reports of RCC occurrence in pelvic kidneys.

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