EDUCATION > Educational Programs > E-Learning > Pathology for Urologists

Pathology for Urologists

Phimosis and Paraphimosis


Phimosis

  • When the foreskin cannot be retracted behind the glans penis (which is a normal finding in children < 5 yrs)
  • May be congenital or acquired; acquired is much more common and is caused by accumulation of smegma beneath the foreskin due to poor hygiene; may also be secondary to BXO or balanoposthitis
  • Histologic features: chronic inflammation, fibrosis, edema, and vascular congestion
  • Treatment: circumcision

Paraphimosis

  • When the foreskin has been retracted but now cannot be advanced back over the glans
  • Cause: most often iatrogenic, following urinary tract instrumentation
  • Treatment: circumcision or emergent dorsal slit procedure

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