Phimosis and Paraphimosis
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Direct answer
Paraphimosis — a retracted foreskin that will not return — is one of the few true emergencies of outpatient urology: the constricting ring obstructs venous return, the glans and prepuce swell, and without reduction the tissue progresses to ulceration and gangrene. Reduction uses ice, sustained manual pressure, osmotic or puncture techniques to drain the oedema, followed by elective circumcision weeks later once inflammation settles. Phimosis, by contrast, is physiological in most young boys — the prepuce is normally non-retractile in the first years of life — and needs nothing but reassurance; pathological phimosis, with scarring or balanitis xerotica obliterans, is treated first with topical steroid and then with circumcision if that fails.
What you must remember
- Physiological phimosis: the non-retractile foreskin of infancy is normal — roughly 90% retract by three years and nearly all by adolescence; forceful retraction in childhood tears the prepuce and creates the very scarring it hoped to prevent.
- Pathological phimosis: a fibrotic ring, recurrent balanoposthitis, or splitting on retraction; balanitis xerotica obliterans (lichen sclerosus) shows a white sclerotic ring, involves the meatus (check for stenosis), and carries a premalignant association with squamous carcinoma — circumcision is both treatment and prevention.
- Steroid first: betamethasone 0.05% ointment twice daily for four to eight weeks succeeds in roughly 70-90% of pathological phimosis, sparing many circumcisions.
- Paraphimosis reduction ladder: ice and analgesia; sustained manual compression or granulated sugar to draw out oedema; the Dundee puncture technique — multiple needle punctures of the swollen prepuce followed by expression — then reduction with both thumbs pressing the glans while the fingers pull the ring forward; a reluctant case gets a dorsal slit, and definitive circumcision electively later.
- Circumcision contraindications: hypospadias and epispadias (the prepuce is reconstructive material for urethral repair), buried penis, and active local infection.
- Iatrogenic classic: paraphimosis after catheterisation when the foreskin is not pulled back over the glans — the preventable ward error; document "foreskin replaced" after every catheter insertion.
- Indian context: routine childhood circumcision in Muslim communities makes surgical familiarity high, but late-presenting paraphimosis after folk remedies is still a weekly casualty occurrence in district hospitals.
Reducing a paraphimosis at midnight
A 24-year-old presents with a swollen, painful glans and a tight constricting band behind the corona — he retracted the foreskin for hygiene hours ago and could not return it. Analgesia first: a dorsal penile block or generous parenteral analgesia, because reduction hurts. An ice pack for five minutes shrinks some of the oedema. Then the mechanics: the examiner's thumbs press the glans firmly while the index and middle fingers of both hands squeeze the oedematous ring — steady pressure for several minutes, which is longer than instinct suggests. If the oedema defeats this, the Dundee technique follows: puncture the swollen prepuce 10-20 times with a fine needle and express the fluid, after which the ring usually slides home.
Successful reduction ends the emergency, not the episode. The foreskin is now badly injured and will recur; list the patient for elective circumcision in a few weeks, once the oedema and inflammation subside — operating on the acutely swollen prepuce invites bleeding and a poor cosmetic result. Give analgesia, counsel about gentle reduction after every future retraction, and if the presenting oedema is already dusky or ulcerated, involve urology the same night, because neglected paraphimosis can cost the distal penis.
Exam favourites and traps
Three questions recur. The three-year-old with a non-retractile foreskin: reassure, do not circumcise, do not force retraction — the age threshold is the keyed point. The first step in paraphimosis: manual reduction after analgesia, with "emergency circumcision" as the trap answer (it is delayed, not immediate). And the steroid regimen for pathological phimosis: betamethasone 0.05% twice daily for four to eight weeks. The BXO stem asks why the white-ring foreskin matters — meatal stenosis and squamous carcinoma risk make circumcision mandatory rather than optional.
Frequently asked questions
Until what age is phimosis considered physiological?
Non-retractility is normal in toddlers — about 90% retract by three years and almost all by adolescence, so young children need observation only.
What is the Dundee technique?
Multiple fine-needle punctures of the oedematous prepuce followed by manual expression of the fluid, allowing a tense paraphimosis to be reduced.
Why does balanitis xerotica obliterans mandate circumcision?
BXO is a chronic sclerosing and premalignant condition that scars the prepuce and meatus, and circumcision removes the diseased tissue while preventing squamous carcinoma.
When is circumcision contraindicated?
In hypospadias and epispadias, where the foreskin is needed for urethral reconstruction, and in buried penis or active local sepsis.
What follows successful paraphimosis reduction?
Elective circumcision after a few weeks, because recurrence is otherwise near-certain — plus advice to reduce the foreskin after washing or catheterisation.