The following is an excerpt....
BASICS
Description
- Common congenital defect of the male external genitalia characterized by an incompletely formed ventral radius of the penis, with an ectopic meatal opening which located anywhere from the glans penis to the perineum.
- Associated conditions (not present in all cases):
- Abnormal curvature of the penis (chordee), especially with more proximal meatus
- Abnormal distribution of foreskin with excess dorsally (hood) and deficiency ventrally
- May be an isolated defect or may be associated with a significant underlying abnormality
- Classification:
- Glandular
- Megameatus intact prepuce
- Coronal
- Subcoronal:
- Distal
- Midshaft
- Proximal:
- Posterior (proximal): 20%
- Penoscrotal
- Scrotal
- Perineal
Epidemiology
- 1 in 250–300 live male births
- 1 in 80–100 if family history of hypospadias exists
Risk Factors ...
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