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Related Experiment Videos

Conjoint corpora cavernosa and its role in erection.

Ahmed Shafik1, Ismail A Shafik, Ali A Shafik

  • 1Department of Surgery and Experimental Research, Faculty of Medicine, Cairo University, Cairo, Egypt. shafik@ahmedshafik.com

Archives of Andrology
|October 11, 2005
PubMed
Summary

This study found three cases where the penile corpora cavernosa (CC) were fused, unlike the typical separate structures. This anatomical variation, observed in cadavers, may impact penile rigidity and function.

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Area of Science:

  • Anatomy
  • Urology
  • Morphology

Background:

  • The penile corpora cavernosa (CC) are typically two distinct, separate cylindrical bodies.
  • Understanding variations in CC anatomy is crucial for reproductive health and surgical considerations.

Purpose of the Study:

  • To describe and analyze three rare cases of fused penile corpora cavernosa identified during cadaveric dissection.
  • To investigate the morphological characteristics and potential biomechanical implications of this anatomical variation.

Main Methods:

  • Examination of 28 human cadavers.
  • Detailed gross anatomical description and transverse sectioning of three specimens exhibiting fused CC.
  • Histological examination of the corpora cavernosa and corpus spongiosum.

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Main Results:

  • Three cadavers (aged 12, 36, and 52 years) presented with fused CC, forming a single tubular structure.
  • In two cases, fusion was complete from the symphysis pubis to the glans penis; the third showed incomplete fusion with a partial intercavernosal septum.
  • Histology of the CC and corpus spongiosum was normal in all three specimens.

Conclusions:

  • Fused corpora cavernosa represent a rare anatomical anomaly.
  • Theoretically, fused CC may result in reduced blood volume capacity and altered biomechanical properties (rigidity, penetration force) compared to normal, separate CC.
  • Further research with larger cohorts is necessary to confirm these biomechanical hypotheses.