Free Module 9 · Pediatric urology

Phimosis and paraphimosis

1

Introduction

Learning objectives
  • Differentiate physiologic phimosis from pathologic phimosis.
  • Recognize why forced foreskin retraction should be avoided.
  • Identify paraphimosis as a urologic emergency.
2

Video lesson

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Video pending upload (embedded YouTube)
3

Summary

What is phimosis?

Phimosis is the inability to fully retract the foreskin behind the glans.

In newborns and young children, it is common for the foreskin not to be fully retractable. This is called physiologic phimosis and it usually resolves gradually with growth.

What should we not do?

Foreskin retraction should not be forced.

Traumatic retractions can cause:

  • pain;
  • bleeding;
  • fissures;
  • scars;
  • secondary phimosis.

When to suspect pathologic phimosis?

When there is a scarring ring associated with:

  • persistent difficulty retracting;
  • recurrent balanoposthitis;
  • urinary symptoms;
  • scarring of the foreskin.

Treatment

When indicated, initial treatment can be done with topical corticosteroids combined with gentle, progressive retraction.

Circumcision is reserved for certain situations, such as symptomatic pathologic phimosis or failure of conservative treatment.

What is paraphimosis?

It occurs when a retracted foreskin becomes trapped behind the glans and cannot return to its normal position.

Progressive edema of the glans and distal foreskin develops.

Is it an emergency?

Yes.

Early reduction must be performed to avoid vascular compromise.

⚠️ Alert

Physiologic phimosis → usually observation.
Paraphimosis → urologic emergency.

4

PDF

⬇ Download lesson summary

Downloadable PDF pending upload.

5

Practical algorithm

  1. Non-retractile foreskin in a young child, without scarring or complications → probably physiological → do not force.
  2. Retracted foreskin that cannot be returned + edema → paraphimosis → emergency.
  3. Testicle outside the scrotum after the first months of life → refer → do not wait years.
  4. Painless, fluctuant scrotal swelling → consider communicating hydrocele.
  5. Adolescent with varicocele → assess testicular development and volume.
  6. Infant with fever without a source → consider urinary tract infection.
  7. Recurrent febrile UTI → assess the need to investigate urinary anomalies/VUR.
  8. Sudden testicular pain → urgently rule out testicular torsion.

In Pediatric Urology, the primary care physician does not need to resolve every condition: they need to distinguish the physiological from the pathological, and recognize when to observe, when to investigate, when to refer and, above all, when to act urgently.

6

Clinical case

Content pending upload Progressive clinical case focused on decision-making.
7

Self-assessment

Questions pending upload 5–10 multiple-choice questions on this lesson.
8

References

Links pending upload References to PubMed, DOI, scientific society guidelines and journals.

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