Pediatric Urology Academy

Amin Afrasiabi, MD, Pediatric Urologist
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Pediatric Urology Academy is an evidence-based educational podcast hosted by Amin Afrasiabi, MD, Pediatric Urologist. Each episode explores pediatric urology through clinical cases, landmark studies, practical decision-making, surgical principles, and emerging research. Topics include posterior urethral valves, vesicoureteral reflux, hydronephrosis, UPJO, megaureter, neurogenic bladder, hypospadias, disorders of sexual development, pediatric stone disease, and reconstructive surgery. Designed for pediatric urologists, urologists, residents, fellows, and healthcare professionals worldwide.

  1. 4d ago

    Cryptorchidism and Cancer: What Does Orchiopexy Change—and What Does It Not?

    Cryptorchidism increases the lifetime risk of testicular germ-cell cancer. But does orchiopexy actually prevent malignancy—or does it mainly reduce risk and make the testis easier to examine? In the Season 5 finale of Pediatric Urology Academy, we examine the relationship between undescended testes, testicular dysgenesis, germ-cell neoplasia in situ, timing of orchiopexy, and later testicular cancer. We explore why the malignancy risk may reflect both prolonged abnormal testicular position and intrinsic developmental abnormalities that existed before surgery. The episode critically examines the evidence behind prepubertal orchiopexy, including the important distinction between reducing cancer risk and normalizing it. We also discuss laterality, the role of the contralateral descended testis, why routine postoperative ultrasound surveillance is not supported, and the more difficult problem of the postpubertal undescended testis. When should an adolescent testis still be preserved? When does orchidectomy become more rational? And how should fertility, endocrine function, testicular location, and contralateral testicular health change that decision? Central principle:Orchiopexy changes environment and accessibility. It does not erase the biology that made the testis abnormal. Pediatric Urology Academy — advanced clinical reasoning and surgical judgment in pediatric urology.

  2. 5d ago

    Cryptorchidism and Fertility: What Does Orchiopexy Actually Rescue?

    If orchiopexy is performed early, can we tell parents that fertility has been preserved? Not quite. In Season 5, Episode 16 of Pediatric Urology Academy, we examine what orchiopexy actually changes in the fertility pathway—and where the evidence becomes much less certain. We separate five outcomes that are often treated as interchangeable but are not: testicular volume, germ-cell histology, inhibin B and FSH, semen quality, and eventual paternity. Early orchiopexy is associated with better testicular growth and more favorable histologic and endocrine surrogate markers. But those findings do not automatically translate into normal adult fertility. The distinction between unilateral and bilateral cryptorchidism is critical. After unilateral disease, reproductive function may remain relatively well preserved because the contralateral testis can compensate. Bilateral cryptorchidism carries a substantially greater fertility burden and deserves different counseling. We also examine the evidence linking delayed surgery with later assisted reproductive technology use, the limitations of testicular volume as a fertility surrogate, and the controversial role of postoperative hormonal treatment. The central clinical message is: Early orchiopexy preserves reproductive opportunity. It does not guarantee future fertility. Pediatric Urology Academy — advanced clinical reasoning and surgical judgment in pediatric urology.

  3. 6d ago

    Redo Orchiopexy: How Do You Rescue a Testis After the First Operation Failed?

    A testis has re-ascended after orchiopexy. The second operation is not simply a repeat of the first. In Season 5, Episode 15 of Pediatric Urology Academy, we examine redo orchiopexy as a problem of altered anatomy, scar, vascular vulnerability, and—most importantly—understanding why the original operation failed. Was proximal mobilization inadequate? Was the testis fixed under tension? Is there persistent tethering? Has scar contraction shortened the effective cord? Or was the original “success” actually a high, unstable position? We discuss preoperative confirmation of true re-ascent, assessment of testicular viability, safe dissection in a previously operated groin, protection of the vas and vessels, proximal mobilization, route modification, selective Prentiss-type medialization, and when laparoscopy can provide useful additional length. The critical intraoperative question is when to stop dissecting. If further scar dissection threatens the vas or vascular pedicle without producing meaningful length, the strategy should change rather than the traction increase. A successful redo is not a testis that merely reaches the s*****m during surgery. It is a viable testis that remains there afterward without tension. Central principle:In redo orchiopexy, scar is not the enemy. Unrecognized mechanism is. Pediatric Urology Academy — advanced clinical reasoning and surgical judgment in pediatric urology.

  4. Sep 14

    Shehata Versus Fowler-Stephens: Which Testis Should Get Which Operation?

    A high intra-abdominal testis still cannot reach the dependent s*****m after complete vessel-preserving mobilization. Should you preserve the native testicular vessels with staged traction—or divide them and deliberately rely on collateral circulation? In Season 5, Episode 14 of Pediatric Urology Academy, we compare the Shehata traction technique with staged Fowler-Stephens orchiopexy from the perspective that matters most: patient selection. Shehata attempts to preserve the original vascular supply by gradually lengthening the spermatic pedicle. Fowler-Stephens accepts the short-pedicle problem and changes the vascular strategy, relying on deferential and cremasteric collateral circulation. Recent comparative studies and meta-analyses suggest encouraging outcomes with Shehata, including lower reported atrophy in some pooled analyses. But the evidence remains limited by small studies, selection bias, inconsistent definitions of high intra-abdominal testis, and short follow-up. The important question is therefore not simply which operation has the higher reported success rate. It is which biological compromise the individual testis can tolerate. Central principle:Shehata asks the pedicle to adapt. Fowler-Stephens asks the collateral circulation to take over.

  5. Sep 13

    Fowler-Stephens Orchiopexy: What Actually Keeps the Testis Alive?

    A high intra-abdominal testis cannot reach the s*****m on its native vessels. You divide the testicular vessels. What keeps the testis alive now? In Season 5, Episode 13 of Pediatric Urology Academy, we examine Fowler-Stephens orchiopexy as a vascular operation rather than simply a maneuver for gaining length. After division of the primary testicular vessels, survival depends on collateral perfusion through the deferential and cremasteric vascular networks and their anastomoses around the epididymis and lower pole. We explore why staging may matter, the physiological rationale for one-stage versus two-stage Fowler-Stephens, the importance of preserving tissue around the vas, the possible value of gubernacular preservation, and how excessive dissection during the second stage can jeopardize the very collateral circulation the operation depends upon. The episode also addresses a critical misconception: Dividing the spermatic vessels does not create length. It removes the vascular constraint on descent and deliberately transfers dependence to another blood-supply network. The operative challenge is therefore not merely bringing the testis down. It is gaining adequate mobility while preserving enough collateral circulation for the testis to survive. Central principle:Fowler-Stephens is not simply vessel division for length. It is a deliberate conversion from one vascular system to another. Pediatric Urology Academy — advanced clinical reasoning and surgical judgment in pediatric urology.

  6. Sep 12

    High Intra-Abdominal Testis: How Far Should You Push Native-Vessel Orchiopexy?

    A high intra-abdominal testis will not reach the dependent s*****m after initial mobilization. Do you continue dissecting to preserve the native vessels—or has further mobilization become more dangerous than changing the operative strategy? In Season 5, Episode 12 of Pediatric Urology Academy, we examine one of the most important judgment points in surgery for the intra-abdominal testis. The discussion moves beyond arbitrary distance-from-the-ring measurements and focuses on the anatomy that actually determines feasibility: spermatic vessel length, vasal mobility, peritoneal tethering, route geometry, gubernacular preservation, testicular quality, and tension at final scrotal placement. We examine why reaching the s*****m is not the same as achieving a successful orchiopexy, when a more medial route may gain useful length, why excessive vascular skeletonization can become counterproductive, and when preservation of gubernacular and collateral blood supply may matter. The central operative question is the stopping point. When complete vessel-preserving mobilization and route optimization still fail to produce a relaxed, dependent scrotal position, continued pursuit of another centimeter may threaten the very blood supply you are trying to preserve. This episode sets the foundation for the next decision: when to abandon native-vessel orchiopexy and move toward Fowler-Stephens or traction-based strategies. Central principle:The expert skill is not gaining the last centimeter. It is knowing when another centimeter may cost the testis its blood supply.

  7. Sep 11

    Vanishing Testis: Does the Nubbin Actually Need to Come Out?

    A unilateral nonpalpable testis. Contralateral hypertrophy. A tiny scrotal or inguinal nubbin. Does that remnant actually need to be removed? In Season 5, Episode 11 of Pediatric Urology Academy, we examine testicular regression syndrome and one of its persistent surgical controversies: whether routine excision of the testicular nubbin meaningfully changes outcome. We explore the presumed prenatal vascular mechanism of vanishing testis, the pathology of testicular remnants, residual seminiferous tubules and germ cells, the limitations of the malignancy argument, and how contralateral compensatory hypertrophy can influence the diagnostic pathway. The episode also examines when a scrotal-first approach may avoid laparoscopy, what blind-ending spermatic vessels actually prove, why distal remnants can still exist, and when additional exploration adds little clinical value. The key distinction is between diagnostic certainty and proven clinical benefit. If a nubbin is encountered, removal is straightforward and remains common practice. But the evidence does not justify telling families that routine excision clearly prevents cancer. The central question is not simply whether a remnant exists. It is whether finding or removing it changes the child’s outcome.

  8. Sep 10

    The Nonpalpable Testis at Laparoscopy: Which Finding Changes the Operation?

    A nonpalpable testis is not one diagnosis. Once the laparoscope enters the abdomen, each anatomical finding should change what the surgeon does next. In Season 5, Episode 10 of Pediatric Urology Academy, we examine the operative logic of the nonpalpable testis. What should happen when a testis is visible? When should native vessels be preserved? What does it mean when the vas and vessels enter the internal ring? How should blind-ending vessels be interpreted? What if the vas and vessels tell different stories? And when should continued vessel-preserving mobilization stop? The episode focuses on the transition from diagnostic laparoscopy to operative decision-making, including peeping testes, testicular regression, inguinal exploration, native-vessel orchiopexy, and the point at which a different vascular strategy must be considered. The central principle: Laparoscopy is not valuable simply because it finds the gonad. It is valuable because each anatomical finding should change the next operation. Pediatric Urology Academy — advanced clinical reasoning and surgical judgment in pediatric urology.

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About

Pediatric Urology Academy is an evidence-based educational podcast hosted by Amin Afrasiabi, MD, Pediatric Urologist. Each episode explores pediatric urology through clinical cases, landmark studies, practical decision-making, surgical principles, and emerging research. Topics include posterior urethral valves, vesicoureteral reflux, hydronephrosis, UPJO, megaureter, neurogenic bladder, hypospadias, disorders of sexual development, pediatric stone disease, and reconstructive surgery. Designed for pediatric urologists, urologists, residents, fellows, and healthcare professionals worldwide.

Information

  • Creator
    Amin Afrasiabi, MD, Pediatric Urologist
  • Years Active
    2026
  • Episodes
    65
  • Rating
    Clean
  • Copyright
    © Amin Afrasiabi, MD, Pediatric Urologist
  • Show Website
    Pediatric Urology Academy