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Related Experiment Videos

Penile anatomy under the pubic arch: reconstructive implications.

Y Akman1, W Liu, Y W Li

  • 1Departments of Urology and Pediatrics, University of California School of Medicine, San Francisco, California 94143-0738, USA.

The Journal of Urology
|July 4, 2001
PubMed
Summary
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This study details penile nerve anatomy beneath the pubic arch, crucial for surgical procedures. Understanding this neurovascular bundle aids in preserving nerve function during reconstructive surgeries in children.

Area of Science:

  • Urology
  • Anatomy
  • Neuroscience

Background:

  • Previous studies defined penile neurovascular anatomy distal to the pubic arch.
  • Neuroanatomy beneath the pubic arch, including crural bodies, remained poorly described.

Purpose of the Study:

  • To define the nerve distribution beneath the pubic arch.
  • To elucidate the relationship of these nerves to the crural bodies, corporeal bodies, and urethra.

Main Methods:

  • Serial sectioning and staining of eight normal and one hypospadiac human fetal penile specimens.
  • Use of neuronal markers (protein gene product 9.5, S-100) and Masson's trichrome stain.
  • 3D computer reconstruction for detailed anatomical analysis.

Main Results:

Related Experiment Videos

  • Penile nerves originate from the dorsal neurovascular bundle of the prostate beneath the pubic arch.
  • Nerves form two bundles near the pubic bone, superior to the urethra and medial to crural bodies.
  • Nerve bundles join corporeal bodies, with documented perforating branches and fanning distribution.

Conclusions:

  • Precise understanding of penile anatomy beneath the pubic arch is vital for preserving neuronal structures.
  • This knowledge is critical for reconstructive surgeries in pediatric cases involving trauma, intersex conditions, and hypospadias.