Hypospadias
Presented by : Dr. Mahmoud Motawea
Definition
A congenital anomaly of the male
urethra where the urethral opening is
abnormally located on the undersurface
of the penis orperineum and the ventral
surface of the prepuce is poorly
developed
Types
Glanulartype
Coronal meatus
Penile type
Penoscrotal
Perineal
Etiology
Glanulartvpe: occurs due to failure of re-
canalization at the glans of penis.
Penile tvpe: occurs due to failure of fusion of inner
urethral folds.
Perineal tvpe: occurs due to failure of development
of whole penile urethra"
Moredetails
• Occur embryologically, between 8 and 20 weeks' gestation.
• As the phallus grows, the open urethral groove extends from
its base to the level of the corona.
• The classic theory is that the urethral folds coalesce in the
midline from base to tip, forming a tubularized penile urethra
and median scrotal raphe. This accounts for the posterior and
middle urethra. The anterior or glanular urethra is thought to
develop in a proximal direction, with an ectodermal core
forming at the tip of the glans penis, which canalizes to join with
the more proximal urethra at the level of the corona.
Clinical picture
What to focus on in history taking :
• any history of a familial pattern of
hypospadias, any past medical history or
comorbidity
• Infertility of IVF.
Clinical picture
Abnormal site of urethra
Difficulty directing urine streamand stream
spraying
Hooded prepuce (Except Megameatus intact
prepuce (MIP) variant.)
Penoscrotal transposition, Bifid scrotum.
Chordae …
Treatment
Avoid circumcision !
Surgical correction principles :
1- Removai of the chordee to coi'rect the ventral
curvature.
2- Urethral reconstruction using skin from the
prepuce or penile skin.
3- Circumcision after that.
Hypospadias

Hypospadias

  • 2.
    Hypospadias Presented by :Dr. Mahmoud Motawea
  • 3.
    Definition A congenital anomalyof the male urethra where the urethral opening is abnormally located on the undersurface of the penis orperineum and the ventral surface of the prepuce is poorly developed
  • 4.
  • 5.
    Etiology Glanulartvpe: occurs dueto failure of re- canalization at the glans of penis. Penile tvpe: occurs due to failure of fusion of inner urethral folds. Perineal tvpe: occurs due to failure of development of whole penile urethra"
  • 6.
    Moredetails • Occur embryologically,between 8 and 20 weeks' gestation. • As the phallus grows, the open urethral groove extends from its base to the level of the corona. • The classic theory is that the urethral folds coalesce in the midline from base to tip, forming a tubularized penile urethra and median scrotal raphe. This accounts for the posterior and middle urethra. The anterior or glanular urethra is thought to develop in a proximal direction, with an ectodermal core forming at the tip of the glans penis, which canalizes to join with the more proximal urethra at the level of the corona.
  • 7.
    Clinical picture What tofocus on in history taking : • any history of a familial pattern of hypospadias, any past medical history or comorbidity • Infertility of IVF.
  • 8.
    Clinical picture Abnormal siteof urethra Difficulty directing urine streamand stream spraying Hooded prepuce (Except Megameatus intact prepuce (MIP) variant.) Penoscrotal transposition, Bifid scrotum. Chordae …
  • 9.
    Treatment Avoid circumcision ! Surgicalcorrection principles : 1- Removai of the chordee to coi'rect the ventral curvature. 2- Urethral reconstruction using skin from the prepuce or penile skin. 3- Circumcision after that.

Editor's Notes

  • #3 بسم الله الرحمن الرحيم السلام عليكم I’m Mahmoud Motawea, resident of general surgery Tanta university presenting my thesis about …